{"id":2163,"date":"2025-08-22T15:08:56","date_gmt":"2025-08-22T07:08:56","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&#038;p=2163"},"modified":"2025-08-22T15:35:44","modified_gmt":"2025-08-22T07:35:44","slug":"types-of-surge-protection-devices","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/hu\/blog\/types-of-surge-protection-devices\/","title":{"rendered":"K\u00fcl\u00f6nf\u00e9le t\u00edpus\u00fa t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k (SPD)"},"content":{"rendered":"<h2 data-start=\"384\" data-end=\"404\">1. Bevezet\u00e9s<\/h2>\r\n<p data-start=\"405\" data-end=\"685\">A t\u00falfesz\u00fclts\u00e9gek csendes gyilkosok a modern elektromos rendszerekben. A lakoss\u00e1gi elektronik\u00e1t\u00f3l az ipari automatiz\u00e1l\u00e1sig \u00e9s a napelemes er\u0151m\u0171vekig egyetlen tranziens t\u00falfesz\u00fclts\u00e9g is le\u00e1ll\u00e1st, k\u00f6lts\u00e9ges jav\u00edt\u00e1sokat vagy berendez\u00e9sek meghib\u00e1sod\u00e1s\u00e1t okozhatja. A megold\u00e1s? <strong data-start=\"647\" data-end=\"683\"><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.britecelectric.com\/hu\/product-category\/ac-power-surge-protection\/\" target=\"_blank\" rel=\"noopener\">T\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k (SPD)<\/a><\/span>.<\/strong><\/p>\r\n<p data-start=\"687\" data-end=\"952\">Ebben az \u00fatmutat\u00f3ban lebontjuk a t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpusait, elmagyar\u00e1zzuk m\u0171k\u00f6d\u00e9s\u00fcket, \u00e9s \u00f6sszehasonl\u00edtjuk alkalmaz\u00e1saikat. A v\u00e9g\u00e9re pontosan tudni fogja, hogy mely SPD t\u00edpusok illenek a rendszer\u00e9hez \u2013 legyen sz\u00f3 otthoni, adatk\u00f6zponti vagy fotovillamos telep\u00edt\u00e9sr\u0151l.<\/p>\r\n\r\n<h2 data-start=\"959\" data-end=\"1001\">2. Mik azok a t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k?<\/h2>\r\n<p data-start=\"1002\" data-end=\"1283\">A <a href=\"https:\/\/www.britecelectric.com\/hu\/product-category\/ac-power-surge-protection\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\"><strong data-start=\"1004\" data-end=\"1037\">T\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z (SPD)<\/strong> <\/span><\/a>egy elektromos rendszerbe szerelt biztons\u00e1gi alkatr\u00e9sz a vill\u00e1mcsap\u00e1s, kapcsol\u00e1si esem\u00e9nyek vagy k\u00f6z\u00fczemi zavarok \u00e1ltal okozott tranziens t\u00falfesz\u00fclts\u00e9gek korl\u00e1toz\u00e1s\u00e1ra. \u00dagy m\u0171k\u00f6dik, hogy a t\u00falfesz\u00fclts\u00e9get biztons\u00e1gosan a f\u00f6ldre tereli, v\u00e9dve a csatlakoztatott berendez\u00e9seket.<\/p>\r\n<p data-start=\"1285\" data-end=\"1440\">Tekints az SPD-re, mint egy nyom\u00e1skiold\u00f3 szelepre: nem akad\u00e1lyozza meg a t\u00falfesz\u00fclts\u00e9get, de elvezeti a felesleges energi\u00e1t az \u00e9rz\u00e9keny elektronik\u00e1t\u00f3l.<\/p>\r\n<p data-start=\"1285\" data-end=\"1440\"><a href=\"https:\/\/www.britecelectric.com\/hu\/product-category\/ac-power-surge-protection\/\" rel=\"attachment wp-att-2160\"><img class=\"alignnone wp-image-2160\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/BR-20-4P-1Type-2-Surge-Protection-Device.jpg-1024x1024.webp\" alt=\"A t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k t\u00edpusai\" width=\"705\" height=\"705\" \/><\/a><\/p>\r\n\r\n<h2 data-start=\"1447\" data-end=\"1486\">3. Hogyan m\u0171k\u00f6dik a t\u00falfesz\u00fclts\u00e9g-v\u00e9delem?<\/h2>\r\n<p data-start=\"1487\" data-end=\"1734\">Az SPD-k olyan alkatr\u00e9szekre t\u00e1maszkodnak, mint a f\u00e9moxid-varisztorok (MOV), a g\u00e1zkis\u00fcl\u00e9si cs\u00f6vek (GDT) \u00e9s a szikrak\u00f6z\u00f6k. Ha a fesz\u00fclts\u00e9g meghaladja a biztons\u00e1gos k\u00fcsz\u00f6b\u00f6t (Uc), az SPD vezet\u00e9si m\u00f3dba kapcsol, \u00e9s a t\u00falfesz\u00fclts\u00e9get alacsonyabb marad\u00e9kfesz\u00fclts\u00e9gre (Up) r\u00f6gz\u00edti.<\/p>\r\n<p data-start=\"1736\" data-end=\"1767\">A legfontosabb meg\u00e9rtend\u0151 param\u00e9terek:<\/p>\r\n\r\n<ul data-start=\"1768\" data-end=\"2141\">\r\n \t<li data-start=\"1768\" data-end=\"1853\">\r\n<p data-start=\"1770\" data-end=\"1853\"><strong data-start=\"1770\" data-end=\"1816\">Uc (maxim\u00e1lis folyamatos \u00fczemi fesz\u00fclts\u00e9g):<\/strong> az SPD \u00e1ltal kezelhet\u0151 norm\u00e1l fesz\u00fclts\u00e9g.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1854\" data-end=\"1945\">\r\n<p data-start=\"1856\" data-end=\"1945\"><strong data-start=\"1856\" data-end=\"1890\">Fel (fesz\u00fclts\u00e9gv\u00e9delmi szint):<\/strong> szor\u00edt\u00f3fesz\u00fclts\u00e9g, amelyet a k\u00e9s\u0151bbi eszk\u00f6z\u00f6k \u201cl\u00e1tnak\u201d.\u201d<\/p>\r\n<\/li>\r\n \t<li data-start=\"1946\" data-end=\"2048\">\r\n<p data-start=\"1948\" data-end=\"2048\"><strong data-start=\"1948\" data-end=\"2000\">In \/ Imax (n\u00e9vleges \u00e9s maxim\u00e1lis kis\u00fct\u00e9si \u00e1ram):<\/strong> mekkora t\u00falfesz\u00fclts\u00e9get k\u00e9pes felvenni a k\u00e9sz\u00fcl\u00e9k.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2049\" data-end=\"2141\">\r\n<p data-start=\"2051\" data-end=\"2141\"><strong data-start=\"2051\" data-end=\"2078\">Iimp (impulzus\u00e1ram):<\/strong> az 1. t\u00edpusra jellemz\u0151, amely vill\u00e1mcsap\u00e1s hull\u00e1mform\u00e1it k\u00e9pviseli.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<a href=\"https:\/\/www.britecelectric.com\/hu\/attachment\/spd-install\/\" rel=\"attachment wp-att-2159\"><img class=\"alignnone size-full wp-image-2159\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/SPD-install.jpg\" alt=\"\" width=\"745\" height=\"609\" \/><\/a>\r\n<h2 data-start=\"486\" data-end=\"527\">4. T\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k t\u00edpusai<\/h2>\r\n<p data-start=\"529\" data-end=\"821\">Az SPD-t\u00edpusok meg\u00e9rt\u00e9se a kulcsa a r\u00e9teges t\u00falfesz\u00fclts\u00e9g-v\u00e9delem tervez\u00e9s\u00e9nek. Nemzetk\u00f6zi szabv\u00e1nyok, mint pl <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/65314\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"639\" data-end=\"660\">IEC 61643-11 (AC)<\/strong><\/a>, <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/26931\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"662\" data-end=\"686\">IEC 61643-31 (DC\/PV)<\/strong><\/a>, \u00e9s <a href=\"https:\/\/www.nemasurge.org\/ul-1449-transient-voltage-surge-suppressors\/\" target=\"_blank\" rel=\"nofollow noopener\"><strong data-start=\"692\" data-end=\"719\">UL 1449 (\u00c9szak-Amerika)<\/strong> <\/a>k\u00fcl\u00f6nb\u00f6z\u0151 oszt\u00e1lyokat hat\u00e1rozhat meg a teszt hull\u00e1mform\u00e1i, energiak\u00e9pess\u00e9ge \u00e9s telep\u00edt\u00e9si helye alapj\u00e1n.<\/p>\r\n<p data-start=\"823\" data-end=\"975\">Az al\u00e1bbiakban lebontjuk a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6ket (SPD), amelyekkel tal\u00e1lkozni fog, azok m\u0171szaki szerepk\u00f6r\u00e9vel \u00e9s alkalmaz\u00e1si \u00fatmutat\u00e1saival.<\/p>\r\n\r\n<h3 data-start=\"982\" data-end=\"1038\">4.1 1. t\u00edpus\u00fa SPD-k (IEC 61643-11, I. oszt\u00e1ly, 10\/350 \u00b5s)<\/h3>\r\n<ul data-start=\"1039\" data-end=\"1975\">\r\n \t<li data-start=\"1039\" data-end=\"1201\">\r\n<p data-start=\"1041\" data-end=\"1201\"><strong data-start=\"1041\" data-end=\"1056\">Meghat\u00e1roz\u00e1s:<\/strong> R\u00e9szleges vill\u00e1m\u00e1ram levezet\u00e9s\u00e9re tervezt\u00e9k. A 10\/350 \u00b5s impulzus hull\u00e1mform\u00e1val (Iimp) tesztelve, amely k\u00f6zvetlen vill\u00e1mcsap\u00e1st jelent.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1202\" data-end=\"1383\">\r\n<p data-start=\"1204\" data-end=\"1383\"><strong data-start=\"1204\" data-end=\"1227\">Telep\u00edt\u00e9si pont:<\/strong> Szervizbej\u00e1rat, jellemz\u0151en a f\u0151 eloszt\u00f3t\u00e1bla el\u0151tt. Gyakran haszn\u00e1lj\u00e1k k\u00fcls\u0151 vill\u00e1mv\u00e9delmi rendszerrel (LPS) felszerelt \u00e9p\u00fcletekben.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1384\" data-end=\"1658\">\r\n<p data-start=\"1386\" data-end=\"1407\"><strong data-start=\"1386\" data-end=\"1405\">F\u0151bb param\u00e9terek:<\/strong><\/p>\r\n\r\n<ul data-start=\"1410\" data-end=\"1658\">\r\n \t<li data-start=\"1410\" data-end=\"1475\">\r\n<p data-start=\"1412\" data-end=\"1475\">Iimp (impulzus\u00e1ram): n\u00e9vleges vill\u00e1m\u00e1ram kapacit\u00e1s.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1478\" data-end=\"1571\">\r\n<p data-start=\"1480\" data-end=\"1571\">Uc (maxim\u00e1lis folyamatos \u00fczemi fesz\u00fclts\u00e9g): biztos\u00edtja, hogy norm\u00e1l m\u0171k\u00f6d\u00e9s k\u00f6zben ne s\u00e9r\u00fclj\u00f6n meg.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1574\" data-end=\"1658\">\r\n<p data-start=\"1576\" data-end=\"1658\">Fel (fesz\u00fclts\u00e9gv\u00e9delmi szint): az als\u00f3 \u00e1ramk\u00f6r\u00f6k \u00e1ltal l\u00e1that\u00f3 marad\u00e9k fesz\u00fclts\u00e9g.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"1659\" data-end=\"1731\">\r\n<p data-start=\"1661\" data-end=\"1731\"><strong data-start=\"1661\" data-end=\"1681\">Alkalmazott technol\u00f3gia:<\/strong> Szikrak\u00f6z\u00f6k, nagy teherb\u00edr\u00e1s\u00fa MOV-ok vagy hibrid kialak\u00edt\u00e1sok.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1732\" data-end=\"1862\">\r\n<p data-start=\"1734\" data-end=\"1750\"><strong data-start=\"1734\" data-end=\"1748\">Haszn\u00e1lati esetek:<\/strong><\/p>\r\n\r\n<ul data-start=\"1753\" data-end=\"1862\">\r\n \t<li data-start=\"1753\" data-end=\"1806\">\r\n<p data-start=\"1755\" data-end=\"1806\">Ipari l\u00e9tes\u00edtm\u00e9nyek, t\u00e1vk\u00f6zl\u00e9si tornyok, k\u00f3rh\u00e1zak.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1809\" data-end=\"1862\">\r\n<p data-start=\"1811\" data-end=\"1862\">Magas \u00e9p\u00fcletek nagy vill\u00e1ms\u0171r\u0171s\u00e9g\u0171 r\u00e9gi\u00f3kban.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"1863\" data-end=\"1975\">\r\n<p data-start=\"1865\" data-end=\"1975\"><strong data-start=\"1865\" data-end=\"1877\">P\u00e9lda:<\/strong> A tet\u0151t\u00e9ri vill\u00e1mh\u00e1r\u00edt\u00f3kkal rendelkez\u0151 gy\u00e1rban 1-es t\u00edpus\u00fa SPD-kre lesz sz\u00fcks\u00e9g a f\u0151 bej\u00f6v\u0151 ell\u00e1t\u00e1sn\u00e1l.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"1982\" data-end=\"2037\">4.2 2. t\u00edpus\u00fa SPD-k (IEC 61643-11, II. oszt\u00e1ly, 8\/20 \u00b5s)<\/h3>\r\n<ul data-start=\"2038\" data-end=\"2824\">\r\n \t<li data-start=\"2038\" data-end=\"2167\">\r\n<p data-start=\"2040\" data-end=\"2167\"><strong data-start=\"2040\" data-end=\"2055\">Meghat\u00e1roz\u00e1s:<\/strong> Kezeli a kapcsol\u00e1si t\u00falfesz\u00fclts\u00e9geket \u00e9s a k\u00f6zvetett vill\u00e1mhat\u00e1sokat. 8\/20 \u00b5s \u00e1ram hull\u00e1mform\u00e1j\u00e1val tesztelve (In, Imax).<\/p>\r\n<\/li>\r\n \t<li data-start=\"2168\" data-end=\"2248\">\r\n<p data-start=\"2170\" data-end=\"2248\"><strong data-start=\"2170\" data-end=\"2193\">Telep\u00edt\u00e9si pont:<\/strong> F\u0151- vagy aleloszt\u00f3 t\u00e1bl\u00e1k a l\u00e9tes\u00edtm\u00e9nyen bel\u00fcl.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2249\" data-end=\"2496\">\r\n<p data-start=\"2251\" data-end=\"2272\"><strong data-start=\"2251\" data-end=\"2270\">F\u0151bb param\u00e9terek:<\/strong><\/p>\r\n\r\n<ul data-start=\"2275\" data-end=\"2496\">\r\n \t<li data-start=\"2275\" data-end=\"2347\">\r\n<p data-start=\"2277\" data-end=\"2347\">In (n\u00e9vleges kis\u00fcl\u00e9si \u00e1ram): \u00e1ll\u00f3k\u00e9pess\u00e9g t\u00f6bbsz\u00f6r\u00f6s t\u00falfesz\u00fclts\u00e9g alatt.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2350\" data-end=\"2417\">\r\n<p data-start=\"2352\" data-end=\"2417\">Imax (maxim\u00e1lis kis\u00fcl\u00e9si \u00e1ram): maxim\u00e1lis t\u00falfesz\u00fclts\u00e9g.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2420\" data-end=\"2496\">\r\n<p data-start=\"2422\" data-end=\"2496\">Felfel\u00e9: koordin\u00e1lnia kell a felfel\u00e9 ir\u00e1nyul\u00f3 1-es \u00e9s az als\u00f3 3-as t\u00edpussal.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"2497\" data-end=\"2578\">\r\n<p data-start=\"2499\" data-end=\"2578\"><strong data-start=\"2499\" data-end=\"2519\">Alkalmazott technol\u00f3gia:<\/strong> MOV-alap\u00fa modulok, amelyek gyakran csatlakoztathat\u00f3k az egyszer\u0171 csere \u00e9rdek\u00e9ben.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2579\" data-end=\"2716\">\r\n<p data-start=\"2581\" data-end=\"2597\"><strong data-start=\"2581\" data-end=\"2595\">Haszn\u00e1lati esetek:<\/strong><\/p>\r\n\r\n<ul data-start=\"2600\" data-end=\"2716\">\r\n \t<li data-start=\"2600\" data-end=\"2655\">\r\n<p data-start=\"2602\" data-end=\"2655\">Lak\u00f3h\u00e1zak, irodah\u00e1zak, kiskereskedelmi \u00fczletek.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2658\" data-end=\"2716\">\r\n<p data-start=\"2660\" data-end=\"2716\">Szabv\u00e1nyos v\u00e9delem k\u00f6zepes t\u00falfesz\u00fclts\u00e9g kock\u00e1zattal j\u00e1r\u00f3 ter\u00fcleteken.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"2717\" data-end=\"2824\">\r\n<p data-start=\"2719\" data-end=\"2824\"><strong data-start=\"2719\" data-end=\"2731\">P\u00e9lda:<\/strong> Egy k\u00fcls\u0151 LPS n\u00e9lk\u00fcli kis iroda \u00e1ltal\u00e1ban 2-es t\u00edpus\u00fa SPD-ket haszn\u00e1l az alaplapon.<\/p>\r\n<\/li>\r\n<\/ul>\r\nR\u00e9szletes lebont\u00e1st szeretne? Olvassa el teljes \u00fatmutat\u00f3nkat: <span style=\"text-decoration: underline;\"><em><strong data-start=\"1021\" data-end=\"1147\"><a class=\"decorated-link\" href=\"https:\/\/www.britecelectric.com\/hu\/blog\/what-is-a-type-2-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\" data-start=\"1023\" data-end=\"1145\">Mi az a 2-es t\u00edpus\u00fa t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z?<\/a><\/strong><\/em><\/span>\r\n<h3 data-start=\"2831\" data-end=\"2890\">4.3 3-as t\u00edpus\u00fa SPD-k (IEC 61643-11, III. oszt\u00e1ly, kombin\u00e1lt hull\u00e1m)<\/h3>\r\n<ul data-start=\"2891\" data-end=\"3555\">\r\n \t<li data-start=\"2891\" data-end=\"3022\">\r\n<p data-start=\"2893\" data-end=\"3022\"><strong data-start=\"2893\" data-end=\"2908\">Meghat\u00e1roz\u00e1s:<\/strong> Finom v\u00e9delem a v\u00e9gberendez\u00e9sekhez. Kombin\u00e1lt hull\u00e1mmal tesztelve (1,2\/50 \u00b5s fesz\u00fclts\u00e9g + 8\/20 \u00b5s \u00e1ram).<\/p>\r\n<\/li>\r\n \t<li data-start=\"3023\" data-end=\"3126\">\r\n<p data-start=\"3025\" data-end=\"3126\"><strong data-start=\"3025\" data-end=\"3048\">Telep\u00edt\u00e9si pont:<\/strong> A lehet\u0151 legk\u00f6zelebb a v\u00e9dett eszk\u00f6zh\u00f6z (aljzat, k\u00e9sz\u00fcl\u00e9k bemenet).<\/p>\r\n<\/li>\r\n \t<li data-start=\"3127\" data-end=\"3273\">\r\n<p data-start=\"3129\" data-end=\"3150\"><strong data-start=\"3129\" data-end=\"3148\">F\u0151bb param\u00e9terek:<\/strong><\/p>\r\n\r\n<ul data-start=\"3153\" data-end=\"3273\">\r\n \t<li data-start=\"3153\" data-end=\"3216\">\r\n<p data-start=\"3155\" data-end=\"3216\">Fel: nagyon alacsony szor\u00edt\u00e1si szint az \u00e9rz\u00e9keny terhek v\u00e9delm\u00e9re.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3219\" data-end=\"3273\">\r\n<p data-start=\"3221\" data-end=\"3273\">Az upstream 2-es t\u00edpussal egy\u00fctt kell haszn\u00e1lni.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"3274\" data-end=\"3348\">\r\n<p data-start=\"3276\" data-end=\"3348\"><strong data-start=\"3276\" data-end=\"3296\">Alkalmazott technol\u00f3gia:<\/strong> MOV-ok sz\u0171r\u0151kkel kombin\u00e1lva az extra csillap\u00edt\u00e1s \u00e9rdek\u00e9ben.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3349\" data-end=\"3435\">\r\n<p data-start=\"3351\" data-end=\"3367\"><strong data-start=\"3351\" data-end=\"3365\">Haszn\u00e1lati esetek:<\/strong><\/p>\r\n\r\n<ul data-start=\"3370\" data-end=\"3435\">\r\n \t<li data-start=\"3370\" data-end=\"3435\">\r\n<p data-start=\"3372\" data-end=\"3435\">Sz\u00e1m\u00edt\u00f3g\u00e9pek, LED-meghajt\u00f3k, orvosi elektronika \u00e9s vez\u00e9rl\u0151rendszerek.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"3436\" data-end=\"3555\">\r\n<p data-start=\"3438\" data-end=\"3555\"><strong data-start=\"3438\" data-end=\"3450\">P\u00e9lda:<\/strong> A k\u00f3rh\u00e1zi MRI-k\u00e9sz\u00fcl\u00e9khez 3-as t\u00edpus\u00fa SPD-re van sz\u00fcks\u00e9g a k\u00e9sz\u00fcl\u00e9k k\u00f6zel\u00e9ben, amely egy\u00fcttm\u0171k\u00f6dik a 2-es t\u00edpus\u00fa \u00e1raml\u00e1si sebess\u00e9ggel.<\/p>\r\n<\/li>\r\n<\/ul>\r\nTudjon meg t\u00f6bbet err\u0151l sz\u00f3l\u00f3 cikk\u00fcnkben: <span style=\"text-decoration: underline;\"><em><strong data-start=\"1474\" data-end=\"1584\"><a class=\"decorated-link\" href=\"https:\/\/www.britecelectric.com\/hu\/blog\/what-is-a-type-3-surge-protector\/\" target=\"_blank\" rel=\"noopener\" data-start=\"1476\" data-end=\"1582\">Mi az a 3-as t\u00edpus\u00fa t\u00falfesz\u00fclts\u00e9gv\u00e9d\u0151?<\/a><\/strong><\/em><\/span>\r\n<h3 data-start=\"3562\" data-end=\"3594\">4.4 T1+T2 kombin\u00e1lt SPD-k<\/h3>\r\n<ul data-start=\"3595\" data-end=\"4178\">\r\n \t<li data-start=\"3595\" data-end=\"3710\">\r\n<p data-start=\"3597\" data-end=\"3710\"><strong data-start=\"3597\" data-end=\"3612\">Meghat\u00e1roz\u00e1s:<\/strong> Egyetlen SPD egys\u00e9g az I. oszt\u00e1ly\u00fa (10\/350 \u00b5s) \u00e9s a II. oszt\u00e1ly\u00fa (8\/20 \u00b5s) hull\u00e1mform\u00e1kra is tesztelt.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3711\" data-end=\"3804\">\r\n<p data-start=\"3713\" data-end=\"3804\"><strong data-start=\"3713\" data-end=\"3725\">Haszon:<\/strong> Egy k\u00e9sz\u00fcl\u00e9kben v\u00e9d a k\u00f6zvetlen vill\u00e1mcsap\u00e1st\u00f3l \u00e9s a kapcsol\u00e1si t\u00falfesz\u00fclts\u00e9gekt\u0151l.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3805\" data-end=\"3895\">\r\n<p data-start=\"3807\" data-end=\"3895\"><strong data-start=\"3807\" data-end=\"3830\">Telep\u00edt\u00e9si pont:<\/strong> Szervizbel\u00e9p\u00e9s, ha a hely vagy a k\u00f6lts\u00e9gvet\u00e9s korl\u00e1tozza t\u00f6bb eszk\u00f6zt.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3896\" data-end=\"4076\">\r\n<p data-start=\"3898\" data-end=\"3914\"><strong data-start=\"3898\" data-end=\"3912\">Haszn\u00e1lati esetek:<\/strong><\/p>\r\n\r\n<ul data-start=\"3917\" data-end=\"4076\">\r\n \t<li data-start=\"3917\" data-end=\"3996\">\r\n<p data-start=\"3919\" data-end=\"3996\">A k\u00f6zepes m\u00e9ret\u0171 kereskedelmi vagy lak\u00f3\u00e9p\u00fcletek kompakt megold\u00e1sokat ig\u00e9nyelnek.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3999\" data-end=\"4076\">\r\n<p data-start=\"4001\" data-end=\"4076\">Olyan helyek, ahol a k\u00fcl\u00f6n\u00e1ll\u00f3 1. \u00e9s 2. t\u00edpus k\u00f6z\u00f6tti koordin\u00e1ci\u00f3 neh\u00e9zkes.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"4077\" data-end=\"4178\">\r\n<p data-start=\"4079\" data-end=\"4178\"><strong data-start=\"4079\" data-end=\"4091\">P\u00e9lda:<\/strong> A shopping mall's main switchboard may install a T1+T2 SPD to simplify protection.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"4185\" data-end=\"4217\">4.5 T2+T3 kombin\u00e1lt SPD<\/h3>\r\n<ul data-start=\"4218\" data-end=\"4676\">\r\n \t<li data-start=\"4218\" data-end=\"4299\">\r\n<p data-start=\"4220\" data-end=\"4299\"><strong data-start=\"4220\" data-end=\"4235\">Meghat\u00e1roz\u00e1s:<\/strong> A hibrid eszk\u00f6z\u00f6k II. \u00e9s III. oszt\u00e1ly\u00fa teljes\u00edtm\u00e9ny\u00e9t tesztelt\u00e9k.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4300\" data-end=\"4374\">\r\n<p data-start=\"4302\" data-end=\"4374\"><strong data-start=\"4302\" data-end=\"4314\">Haszon:<\/strong> Eloszt\u00e1si szint\u0171 \u00e9s termin\u00e1lv\u00e9delmet is biztos\u00edt.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4375\" data-end=\"4477\">\r\n<p data-start=\"4377\" data-end=\"4477\"><strong data-start=\"4377\" data-end=\"4400\">Telep\u00edt\u00e9si pont:<\/strong> \u00c9rz\u00e9keny terhel\u00e9sek k\u00f6zel\u00e9ben l\u00e9v\u0151 alt\u00e1bl\u00e1k, k\u00fcl\u00f6n\u00f6sen, ha a k\u00e1belek hossza meghaladja a 10 m\u00e9tert.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4478\" data-end=\"4559\">\r\n<p data-start=\"4480\" data-end=\"4496\"><strong data-start=\"4480\" data-end=\"4494\">Haszn\u00e1lati esetek:<\/strong><\/p>\r\n\r\n<ul data-start=\"4499\" data-end=\"4559\">\r\n \t<li data-start=\"4499\" data-end=\"4559\">\r\n<p data-start=\"4501\" data-end=\"4559\">Adatk\u00f6zpontok, szervertermek, ipari vez\u00e9rl\u0151szekr\u00e9nyek.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"4560\" data-end=\"4676\">\r\n<p data-start=\"4562\" data-end=\"4676\"><strong data-start=\"4562\" data-end=\"4574\">P\u00e9lda:<\/strong> A PLC-khez hossz\u00fa k\u00e1belekkel rendelkez\u0151 gy\u00e1ri automatiz\u00e1l\u00e1si vonal T2+T3 SPD-t haszn\u00e1lhat a PLC-panelek k\u00f6zel\u00e9ben.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"4683\" data-end=\"4734\">4.6 4-es t\u00edpus\u00fa SPD-k (UL 1449, csak \u00c9szak-Amerika)<\/h3>\r\n<ul data-start=\"4735\" data-end=\"5324\">\r\n \t<li data-start=\"4735\" data-end=\"4856\">\r\n<p data-start=\"4737\" data-end=\"4856\"><strong data-start=\"4737\" data-end=\"4762\">Meghat\u00e1roz\u00e1s (UL 1449):<\/strong> Alkatr\u00e9sz-\u00f6ssze\u00e1ll\u00edt\u00e1sok, amelyeket nem \u00f6n\u00e1ll\u00f3 eszk\u00f6znek sz\u00e1ntak, hanem az OEM-berendez\u00e9sekbe integr\u00e1lva.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4857\" data-end=\"5012\">\r\n<p data-start=\"4859\" data-end=\"4879\"><strong data-start=\"4859\" data-end=\"4877\">Alkateg\u00f3ri\u00e1k:<\/strong><\/p>\r\n\r\n<ul data-start=\"4882\" data-end=\"5012\">\r\n \t<li data-start=\"4882\" data-end=\"4965\">\r\n<p data-start=\"4884\" data-end=\"4965\">Type 4 Component Assemblies (CA): el\u0151re csomagolt SPD alkatr\u00e9szek a gy\u00e1rt\u00f3k sz\u00e1m\u00e1ra.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4968\" data-end=\"5012\">\r\n<p data-start=\"4970\" data-end=\"5012\">5. t\u00edpus\u00fa komponensek: nyers MOV-ok vagy GDT-k.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5013\" data-end=\"5099\">\r\n<p data-start=\"5015\" data-end=\"5099\"><strong data-start=\"5015\" data-end=\"5038\">Telep\u00edt\u00e9si pont:<\/strong> Berendez\u00e9sek, t\u00e1pegys\u00e9gek vagy egyedi \u00e9p\u00edt\u00e9s\u0171 panelek belsej\u00e9ben.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5100\" data-end=\"5230\">\r\n<p data-start=\"5102\" data-end=\"5118\"><strong data-start=\"5102\" data-end=\"5116\">Haszn\u00e1lati esetek:<\/strong><\/p>\r\n\r\n<ul data-start=\"5121\" data-end=\"5230\">\r\n \t<li data-start=\"5121\" data-end=\"5166\">\r\n<p data-start=\"5123\" data-end=\"5166\">T\u00falfesz\u00fclts\u00e9g-v\u00e9dett berendez\u00e9seket tervez\u0151 OEM-ek.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5169\" data-end=\"5230\">\r\n<p data-start=\"5171\" data-end=\"5230\">Speci\u00e1lis ipari felszerel\u00e9sek az \u00e9szak-amerikai piacon.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5231\" data-end=\"5324\">\r\n<p data-start=\"5233\" data-end=\"5324\"><strong data-start=\"5233\" data-end=\"5245\">P\u00e9lda:<\/strong> Az UPS gy\u00e1rt\u00f3ja 4-es t\u00edpus\u00fa SPD-szerelv\u00e9nyeket \u00e9p\u00edt be term\u00e9keibe.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"5331\" data-end=\"5382\">4.7 PV\/DC SPD (IEC 61643-31, 1500 VDC-ig)<\/h3>\r\n<ul data-start=\"5383\" data-end=\"6082\">\r\n \t<li data-start=\"5383\" data-end=\"5474\">\r\n<p data-start=\"5385\" data-end=\"5474\"><strong data-start=\"5385\" data-end=\"5400\">Meghat\u00e1roz\u00e1s:<\/strong> T\u00falfesz\u00fclts\u00e9g-v\u00e9delmi k\u00e9sz\u00fcl\u00e9kek fotovoltaikus \u00e9s egyen\u00e1ram\u00fa \u00e1ramk\u00f6r\u00f6kh\u00f6z.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5475\" data-end=\"5555\">\r\n<p data-start=\"5477\" data-end=\"5555\"><strong data-start=\"5477\" data-end=\"5496\">Vizsg\u00e1lati szabv\u00e1nyok:<\/strong> Az IEC 61643-31 szabv\u00e1ny el\u0151\u00edrja az egyen\u00e1ram\u00fa alkalmaz\u00e1sok k\u00f6vetelm\u00e9nyeit.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5556\" data-end=\"5647\">\r\n<p data-start=\"5558\" data-end=\"5647\"><strong data-start=\"5558\" data-end=\"5581\">Telep\u00edt\u00e9si pont:<\/strong> PV t\u00f6mb kombin\u00e1l\u00f3 dobozok, inverterek \u00e9s egyen\u00e1ram\u00fa eloszt\u00f3 t\u00e1bl\u00e1k.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5648\" data-end=\"5876\">\r\n<p data-start=\"5650\" data-end=\"5671\"><strong data-start=\"5650\" data-end=\"5669\">F\u0151bb param\u00e9terek:<\/strong><\/p>\r\n\r\n<ul data-start=\"5674\" data-end=\"5876\">\r\n \t<li data-start=\"5674\" data-end=\"5740\">\r\n<p data-start=\"5676\" data-end=\"5740\">Ucpv: n\u00e9vleges folyamatos PV fesz\u00fclts\u00e9g (600 V, 1000 V, 1500 V).<\/p>\r\n<\/li>\r\n \t<li data-start=\"5743\" data-end=\"5796\">\r\n<p data-start=\"5745\" data-end=\"5796\">In \/ Imax: t\u00falfesz\u00fclts\u00e9g-kezel\u00e9s a DC oldalon.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5799\" data-end=\"5876\">\r\n<p data-start=\"5801\" data-end=\"5876\">V\u00e1laszid\u0151: el\u00e9g gyorsnak kell lennie a f\u00e9lvezet\u0151 alap\u00fa inverterekhez.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5877\" data-end=\"5976\">\r\n<p data-start=\"5879\" data-end=\"5895\"><strong data-start=\"5879\" data-end=\"5893\">Haszn\u00e1lati esetek:<\/strong><\/p>\r\n\r\n<ul data-start=\"5898\" data-end=\"5976\">\r\n \t<li data-start=\"5898\" data-end=\"5976\">\r\n<p data-start=\"5900\" data-end=\"5976\">K\u00f6z\u00fczemi m\u00e9ret\u0171 napelemes farmok, tet\u0151t\u00e9ri PV rendszerek, akkumul\u00e1tort\u00e1rol\u00f3k.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5977\" data-end=\"6082\">\r\n<p data-start=\"5979\" data-end=\"6082\"><strong data-start=\"5979\" data-end=\"5991\">P\u00e9lda:<\/strong> Egy 1500 VDC napelemes farmra lesz sz\u00fcks\u00e9g <a href=\"https:\/\/www.britecelectric.com\/hu\/product_category\/pv-surge-protection-type-1-type-2\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"6024\" data-end=\"6041\">T1+T2 PV SPD-k<\/strong><\/a> a kombin\u00e1l\u00f3dobozokn\u00e1l \u00e9s az inverter bemenetekn\u00e9l.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"6089\" data-end=\"6304\"><strong data-start=\"6091\" data-end=\"6115\">Profi tipp olvas\u00f3knak:<\/strong> Mindig haszn\u00e1lja a <em data-start=\"6129\" data-end=\"6153\">koordin\u00e1lt SPD rendszer<\/em>. 1-es t\u00edpus a bej\u00e1ratn\u00e1l, 2-es t\u00edpus az alpanelekn\u00e9l \u00e9s 3-as t\u00edpus a kritikus terhel\u00e9sek k\u00f6zel\u00e9ben. PV eset\u00e9n adjon hozz\u00e1 2-es t\u00edpus\u00fa vagy T1+T2 egyen\u00e1ram\u00fa SPD-ket az IEC 61643-31 szabv\u00e1nynak megfelel\u0151en.<\/p>\r\n\r\n<h2 data-start=\"3151\" data-end=\"3197\">5. 1. t\u00edpus\u00fa \u00e9s 2. t\u00edpus\u00fa \u00e9s 3. t\u00edpus\u00fa SPD-eszk\u00f6z\u00f6k<\/h2>\r\n<p data-start=\"3199\" data-end=\"3436\">Ha m\u00e9lyebbre szeretne mer\u00fclni, n\u00e9zze meg a t\u00e9m\u00e1val foglalkoz\u00f3 blogunkat itt:<br data-start=\"3270\" data-end=\"3273\" \/><a class=\"\" href=\"https:\/\/www.britecelectric.com\/hu\/blog\/difference-between-type-1-type-2-and-type-3-surge-protective-devices\/\" target=\"_blank\" rel=\"noopener\" data-start=\"3276\" data-end=\"3434\"><em><strong>K\u00fcl\u00f6nbs\u00e9g az 1-es, 2-es \u00e9s 3-as t\u00edpus\u00fa SPD-k k\u00f6z\u00f6tt<\/strong><\/em><\/a><\/p>\r\n<p data-start=\"3438\" data-end=\"3504\">\u00cdme egy gyors \u00f6sszehasonl\u00edt\u00e1s, amely seg\u00edt kiv\u00e1lasztani a megfelel\u0151 SPD-t\u00edpust:<\/p>\r\n\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Attrib\u00fatum<\/th>\r\n<th><strong>1. t\u00edpus\u00fa SPD<\/strong><\/th>\r\n<th><strong>2. t\u00edpus\u00fa SPD<\/strong><\/th>\r\n<th><strong>3. t\u00edpus\u00fa SPD<\/strong><\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td><strong>Tesztelt szabv\u00e1ny<\/strong><\/td>\r\n<td>IEC 61643-11 I. oszt\u00e1ly (10\/350 \u00b5s) + kett\u0151s besorol\u00e1s\u00fa UL Type 1\/2<\/td>\r\n<td>IEC 61643-11 Class II (8\/20 \u00b5s) + UL Type 2<\/td>\r\n<td>IEC 61643-11 Class III (kombin\u00e1ci\u00f3s hull\u00e1m) + UL Type 3<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Tipikus helysz\u00edn<\/strong><\/td>\r\n<td>Szervizbej\u00e1rat \/ F\u0151kapcsol\u00f3t\u00e1bla<\/td>\r\n<td>Bel\u00fcl eloszt\u00f3 t\u00e1bl\u00e1k\/alpanelek<\/td>\r\n<td>Kritikus terhel\u00e9st\u0151l 1 m\u00e9teren bel\u00fcl (sz\u00e1m\u00edt\u00f3g\u00e9pek, meghajt\u00f3k, orvosi felszerel\u00e9sek)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Els\u0151dleges funkci\u00f3<\/strong><\/td>\r\n<td>Kezelje az egyen\u00e1ramot; v\u00e9di az \u00e9p\u00fclet bej\u00e1rat\u00e1t<\/td>\r\n<td>Kezelje a kapcsol\u00e1sb\u00f3l sz\u00e1rmaz\u00f3 modul\u00e1ris t\u00falfesz\u00fclts\u00e9geket, hiba\u00edveket stb.<\/td>\r\n<td>Elnyomja a marad\u00e9k energi\u00e1t az \u00e9rz\u00e9keny elektronika sz\u00e1m\u00e1ra.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>F\u00f3kusz param\u00e9ter<\/strong><\/td>\r\n<td>nagy impedancia; Uc \u2265 rendszerfesz\u00fclts\u00e9g; Fel a koordin\u00e1ci\u00f3<\/td>\r\n<td>Imax, Up kaszk\u00e1dban upstream\/downstream SPD-kkel<\/td>\r\n<td>Ultra-low Up; prec\u00edz r\u00f6gz\u00edt\u00e9s az \u00e9rz\u00e9keny terhek v\u00e9delm\u00e9re<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Telep\u00edt\u00e9si megjegyz\u00e9s<\/strong><\/td>\r\n<td>Nagy k\u00e1belez\u00e9st ig\u00e9nyel (\u226516 mm\u00b2); felfel\u00e9 ir\u00e1nyul\u00f3 OCPD n\u00e9lk\u00fcl telep\u00edthet\u0151; \u00f6ssze kell hangolni a 2-es t\u00edpussal<\/td>\r\n<td>Felfel\u00e9 ir\u00e1nyul\u00f3 t\u00fal\u00e1ramv\u00e9delem sz\u00fcks\u00e9ges; huzaloz\u00e1s \u22656 mm\u00b2<\/td>\r\n<td>Nagyon k\u00f6zel a terhel\u00e9shez; kieg\u00e9sz\u00edt\u00e9s az upstream 2. t\u00edpushoz<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Haszn\u00e1lati esetek<\/strong><\/td>\r\n<td>LPS-es \u00e9p\u00fcletek, magas szerkezetek \u00e9s magas vill\u00e1mz\u00f3n\u00e1k<\/td>\r\n<td>A legt\u00f6bb otthon, kereskedelmi l\u00e9tes\u00edtm\u00e9ny \u00e9s ipari alpanel<\/td>\r\n<td>PC-klaszterek, PLC-\u00e1llv\u00e1nyok, LED-es\/orvosi rendszerek<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h4 data-start=\"1155\" data-end=\"1168\">\u00c1ttekint\u00e9s<\/h4>\r\n<ul data-start=\"1183\" data-end=\"1421\">\r\n \t<li data-start=\"1183\" data-end=\"1258\">\r\n<p data-start=\"1185\" data-end=\"1258\"><strong data-start=\"1185\" data-end=\"1200\">1. t\u00edpus\u00fa SPD-k<\/strong> kezeli a nagy energi\u00e1j\u00fa, k\u00f6zvetlen vill\u00e1mcsap\u00e1sokat (10\/350 \u00b5s).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1259\" data-end=\"1334\">\r\n<p data-start=\"1261\" data-end=\"1334\"><strong data-start=\"1261\" data-end=\"1276\">2. t\u00edpus\u00fa SPD-k<\/strong> cs\u00f6kkenti a kapcsol\u00e1si t\u00falfesz\u00fclts\u00e9geket \u00e9s a k\u00f6zvetett \u00fct\u00e9seket (8\/20 \u00b5s).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1335\" data-end=\"1421\">\r\n<p data-start=\"1337\" data-end=\"1421\"><strong data-start=\"1337\" data-end=\"1352\">3. t\u00edpus\u00fa SPD-k<\/strong> az \u00e9rz\u00e9keny berendez\u00e9sek v\u00e9delme az utols\u00f3 m\u00e9rf\u00f6ldn\u00e9l (kombin\u00e1lt hull\u00e1mforma).<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"185\" data-end=\"253\">6. A t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k (SPD) telep\u00edt\u00e9se \u00e9s koordin\u00e1l\u00e1sa<\/h2>\r\n<p data-start=\"255\" data-end=\"619\">A megfelel\u0151 telep\u00edt\u00e9s ugyanolyan kritikus, mint a megfelel\u0151 t\u00edpus\u00fa t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k (SPD) kiv\u00e1laszt\u00e1sa. A nem megfelel\u0151 vezet\u00e9kez\u00e9s vagy a rossz koordin\u00e1ci\u00f3 vesz\u00e9lyeztetheti a v\u00e9delmi szintet, m\u00e9g akkor is, ha maga az SPD megfelel az IEC vagy UL szabv\u00e1nyoknak. Az IEC 61643-11, IEC 61643-31, UL 1449 \u00e9s v\u00e1llalatunk m\u00e9rn\u00f6ki ir\u00e1nyelvei alapj\u00e1n itt vannak a legfontosabb bev\u00e1lt gyakorlatok:<\/p>\r\n<p data-start=\"255\" data-end=\"619\"><a href=\"https:\/\/www.britecelectric.com\/hu\/attachment\/spds-install\/\" rel=\"attachment wp-att-2167\"><img class=\"alignnone size-large wp-image-2167\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/SPDs-install-1024x726.jpg\" alt=\"\" width=\"1024\" height=\"726\" \/><\/a><\/p>\r\n\r\n<h3 data-start=\"621\" data-end=\"654\">1. Legr\u00f6videbb csatlakoz\u00e1si szab\u00e1ly<\/h3>\r\n<ul data-start=\"655\" data-end=\"917\">\r\n \t<li data-start=\"655\" data-end=\"789\">\r\n<p data-start=\"657\" data-end=\"789\">Az \u00f6sszes SPD csatlakoz\u00f3 vezet\u00e9ket tartsa a lehet\u0151 legr\u00f6videbbre \u00e9s egyenesre, ide\u00e1lis esetben \u2264 0,5 m-re (a m\u0171szaki k\u00e9zik\u00f6nyvben javasoltak szerint).<\/p>\r\n<\/li>\r\n \t<li data-start=\"790\" data-end=\"917\">\r\n<p data-start=\"792\" data-end=\"917\">A hossz\u00fa vezet\u00e9kek indukt\u00edv fesz\u00fclts\u00e9gn\u00f6veked\u00e9st okoznak, ami n\u00f6veli a v\u00e9dett berendez\u00e9s \u00e1ltal \u00e9szlelt marad\u00e9kfesz\u00fclts\u00e9get (Up).<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"919\" data-end=\"950\">2. Megfelel\u0151 vezet\u00e9km\u00e9ret<\/h3>\r\n<ul data-start=\"951\" data-end=\"1317\">\r\n \t<li data-start=\"951\" data-end=\"1242\">\r\n<p data-start=\"953\" data-end=\"1002\">Haszn\u00e1ljon az SPD t\u00edpus\u00e1nak megfelel\u0151 m\u00e9ret\u0171 vezet\u00e9keket:<\/p>\r\n\r\n<ul data-start=\"1005\" data-end=\"1242\">\r\n \t<li data-start=\"1005\" data-end=\"1089\">\r\n<p data-start=\"1007\" data-end=\"1089\"><strong data-start=\"1007\" data-end=\"1022\">1. t\u00edpus\u00fa SPD:<\/strong> minimum 16 mm\u00b2 r\u00e9z (nagy energi\u00e1j\u00fa vill\u00e1m\u00e1ram, Iimp).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1092\" data-end=\"1137\">\r\n<p data-start=\"1094\" data-end=\"1137\"><strong data-start=\"1094\" data-end=\"1109\">2. t\u00edpus\u00fa SPD:<\/strong> legal\u00e1bb 6 mm\u00b2 r\u00e9z.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1140\" data-end=\"1242\">\r\n<p data-start=\"1142\" data-end=\"1242\"><strong data-start=\"1142\" data-end=\"1157\">3. t\u00edpus\u00fa SPD:<\/strong> k\u00f6vesse a gy\u00e1rt\u00f3 adatait, jellemz\u0151en kisebb keresztmetszetek az alacsonyabb \u00e1ramer\u0151ss\u00e9g miatt.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"1243\" data-end=\"1317\">\r\n<p data-start=\"1245\" data-end=\"1317\">Mindig alacsony impedanci\u00e1j\u00fa r\u00e9zvezet\u0151t haszn\u00e1ljon, \u00e9s ker\u00fclje az \u00e9les hajl\u00edt\u00e1sokat.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"1319\" data-end=\"1349\">3. Potenci\u00e1lkiegyenl\u00edt\u00e9s<\/h3>\r\n<ul data-start=\"1350\" data-end=\"1571\">\r\n \t<li data-start=\"1350\" data-end=\"1447\">\r\n<p data-start=\"1352\" data-end=\"1447\">Minden SPD-t ugyanahhoz a f\u0151 f\u00f6ldel\u0151r\u00fadhoz vagy potenci\u00e1lkiegyenl\u00edt\u0151 rendszerhez kell csatlakoztatni.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1448\" data-end=\"1571\">\r\n<p data-start=\"1450\" data-end=\"1571\">A k\u00f6t\u00e9s biztos\u00edtja, hogy a t\u00falfesz\u00fclts\u00e9g biztons\u00e1gosan leker\u00fclj\u00f6n a f\u00f6ldre, elker\u00fclve a vesz\u00e9lyes potenci\u00e1lk\u00fcl\u00f6nbs\u00e9geket az \u00e1ramk\u00f6r\u00f6k k\u00f6z\u00f6tt.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"1573\" data-end=\"1598\">4. SPD koordin\u00e1ci\u00f3<\/h3>\r\n<ul data-start=\"1599\" data-end=\"2069\">\r\n \t<li data-start=\"1599\" data-end=\"1738\">\r\n<p data-start=\"1601\" data-end=\"1738\">Fesz\u00fclts\u00e9gv\u00e9delmi szint (felfel\u00e9) hierarchia: Az upstream SPD-knek (1. t\u00edpus) mindig magasabbnak kell lennie, mint a downstream SPD-knek (2\/3-as t\u00edpus).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1739\" data-end=\"1907\">\r\n<p data-start=\"1741\" data-end=\"1907\">T\u00e1vols\u00e1gszab\u00e1ly: Ha az SPD-k \u00e9s a v\u00e9dett terhel\u00e9sek k\u00f6z\u00f6tti k\u00e1bel 10 m-n\u00e9l hosszabb, a jobb v\u00e9delem \u00e9rdek\u00e9ben szereljen be egy tov\u00e1bbi als\u00f3 SPD-t (pl. 3-as t\u00edpus\u00fa).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1908\" data-end=\"2069\">\r\n<p data-start=\"1910\" data-end=\"2069\">P\u00e1rhuzamos koordin\u00e1ci\u00f3: A t\u00f6bbl\u00e9pcs\u0151s v\u00e9delemhez (1. t\u00edpus + 2. t\u00edpus + 3. t\u00edpus) gondoskodjon a megfelel\u0151 energiaeloszt\u00e1sr\u00f3l, hogy egyetlen eszk\u00f6z se legyen t\u00falterhelve.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"2071\" data-end=\"2105\">5. Biztons\u00e1gi v\u00e9delem (OCPD)<\/h3>\r\n<ul data-start=\"2106\" data-end=\"2388\">\r\n \t<li data-start=\"2106\" data-end=\"2187\">\r\n<p data-start=\"2108\" data-end=\"2187\">Mindig haszn\u00e1ljon speci\u00e1lis biztos\u00edt\u00e9kokat vagy megszak\u00edt\u00f3kat mag\u00e1nak az SPD-nek a v\u00e9delm\u00e9re.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2188\" data-end=\"2271\">\r\n<p data-start=\"2190\" data-end=\"2271\">K\u00e9zik\u00f6nyv\u00fcnk az SPD-modellt\u0151l \u00e9s az Imax\/Iimp-t\u0151l f\u00fcgg\u0151en hat\u00e1rozza meg a biztons\u00e1gi biztos\u00edt\u00e9kok n\u00e9vleges \u00e9rt\u00e9k\u00e9t.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2272\" data-end=\"2388\">\r\n<p data-start=\"2274\" data-end=\"2388\">Az UL 1449 megfelel\u0151 t\u00fal\u00e1ramv\u00e9delmet is \u00edr el\u0151, hogy megakad\u00e1lyozza az SPD t\u00falmeleged\u00e9s\u00e9t vagy meghib\u00e1sod\u00e1s\u00e1t sz\u00e9ls\u0151s\u00e9ges esem\u00e9nyek sor\u00e1n.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"2395\" data-end=\"2660\"><strong data-start=\"2397\" data-end=\"2409\">Pro tipp:<\/strong> Mindig ellen\u0151rizze a betart\u00e1s\u00e1t <strong data-start=\"2440\" data-end=\"2521\">IEC 61643-11 (AC SPD), IEC 61643-31 (PV\/DC SPD), <\/strong>vagy UL 1449 (\u00c9szak-Amerika) a r\u00e9gi\u00f3t\u00f3l f\u00fcgg\u0151en. A helyes telep\u00edt\u00e9s \u00e9s koordin\u00e1ci\u00f3 maximaliz\u00e1lja az SPD \u00e9lettartam\u00e1t \u00e9s biztos\u00edtja a teljes elektromos rendszer biztons\u00e1g\u00e1t.<\/p>\r\n\r\n<h2 data-start=\"6325\" data-end=\"6343\">7. K\u00f6vetkeztet\u00e9s<\/h2>\r\n<p data-start=\"6344\" data-end=\"6467\">A t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6k t\u00edpusai nem cser\u00e9lhet\u0151k fel \u2013 mindegyik egyedi szerepet j\u00e1tszik az elektromos rendszerek v\u00e9delm\u00e9ben.<\/p>\r\n\r\n<ul data-start=\"6468\" data-end=\"6720\">\r\n \t<li data-start=\"6468\" data-end=\"6524\">\r\n<p data-start=\"6470\" data-end=\"6524\"><strong data-start=\"6470\" data-end=\"6480\">1. t\u00edpus<\/strong> pajzsok a k\u00f6zvetlen vill\u00e1mcsap\u00e1s ellen.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6525\" data-end=\"6581\">\r\n<p data-start=\"6527\" data-end=\"6581\"><strong data-start=\"6527\" data-end=\"6537\">2. t\u00edpus<\/strong> az eloszt\u00f3t\u00e1bl\u00e1k ig\u00e1sl\u00f3ja.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6582\" data-end=\"6638\">\r\n<p data-start=\"6584\" data-end=\"6638\"><strong data-start=\"6584\" data-end=\"6594\">3. t\u00edpus<\/strong> v\u00e9di leg\u00e9rz\u00e9kenyebb elektronik\u00e1j\u00e1t.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6639\" data-end=\"6720\">\r\n<p data-start=\"6641\" data-end=\"6720\"><strong data-start=\"6641\" data-end=\"6672\">Kombin\u00e1ci\u00f3k \u00e9s PV\/DC SPD-k<\/strong> speci\u00e1lis \u00e9s meg\u00fajul\u00f3 alkalmaz\u00e1sokra terjed ki.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"6722\" data-end=\"6892\">Az SPD t\u00edpusok, szabv\u00e1nyaik \u00e9s telep\u00edt\u00e9si szab\u00e1lyok megismer\u00e9s\u00e9vel olyan r\u00e9teges v\u00e9delmet tervezhet, amely biztos\u00edtja a biztons\u00e1got, minimaliz\u00e1lja az \u00e1ll\u00e1sid\u0151t \u00e9s v\u00e9di a beruh\u00e1z\u00e1sokat.<\/p>","protected":false},"featured_media":2160,"parent":0,"menu_order":125,"template":"","meta":{"_acf_changed":false},"blog_category":[9],"class_list":["post-2163","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-industry-news"],"acf":{"des":"Discover the different Types of Surge Protection Devices (SPDs) \u2014 Type 1, Type 2, Type 3, combo units, and PV\/DC solutions. Backed by IEC and UL standards, this guide explains how each SPD works, where to install it, and how to coordinate them for reliable protection of homes, businesses, and solar systems.","txt":"<h2 data-start=\"384\" data-end=\"404\">1. Introduction<\/h2>\r\n<p data-start=\"405\" data-end=\"685\">Power surges are silent killers in modern electrical systems. From residential electronics to industrial automation and solar plants, even a single transient overvoltage can cause downtime, costly repairs, or equipment failure. The solution? <strong data-start=\"647\" data-end=\"683\"><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.britecelectric.com\/product-category\/ac-power-surge-protection\/\" target=\"_blank\" rel=\"noopener\">Surge Protection Devices (SPDs)<\/a><\/span>.<\/strong><\/p>\r\n<p data-start=\"687\" data-end=\"952\">In this guide, we\u2019ll break down the different Types of Surge Protection Devices, explain how they work, and compare their applications. By the end, you\u2019ll know exactly which SPD types fit your system \u2014 whether it\u2019s a home, data center, or PV installation.<\/p>\r\n\r\n<h2 data-start=\"959\" data-end=\"1001\">2. What Are Surge Protection Devices?<\/h2>\r\n<p data-start=\"1002\" data-end=\"1283\">A <a href=\"https:\/\/www.britecelectric.com\/product-category\/ac-power-surge-protection\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\"><strong data-start=\"1004\" data-end=\"1037\">Surge Protection Device (SPD)<\/strong> <\/span><\/a>is a safety component installed in an electrical system to limit transient overvoltages caused by lightning strikes, switching events, or utility disturbances. It works by diverting surge energy safely to earth, protecting connected equipment.<\/p>\r\n<p data-start=\"1285\" data-end=\"1440\">Think of an SPD as a pressure-release valve: it doesn\u2019t stop the surge from happening, but it channels the excess energy away from sensitive electronics.<\/p>\r\n<p data-start=\"1285\" data-end=\"1440\"><a href=\"https:\/\/www.britecelectric.com\/product-category\/ac-power-surge-protection\/\" rel=\"attachment wp-att-2160\"><img class=\"alignnone wp-image-2160 \" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/BR-20-4P-1Type-2-Surge-Protection-Device.jpg-1024x1024.webp\" alt=\"Types of Surge Protection Devices\" width=\"705\" height=\"705\" \/><\/a><\/p>\r\n\r\n<h2 data-start=\"1447\" data-end=\"1486\">3. How Does Surge Protection Work?<\/h2>\r\n<p data-start=\"1487\" data-end=\"1734\">SPDs rely on components such as Metal Oxide Varistors (MOVs), Gas Discharge Tubes (GDTs), and spark gaps. When voltage exceeds a safe threshold (Uc), the SPD switches into conduction mode, clamping the surge to a lower residual voltage (Up).<\/p>\r\n<p data-start=\"1736\" data-end=\"1767\">Key parameters to understand:<\/p>\r\n\r\n<ul data-start=\"1768\" data-end=\"2141\">\r\n \t<li data-start=\"1768\" data-end=\"1853\">\r\n<p data-start=\"1770\" data-end=\"1853\"><strong data-start=\"1770\" data-end=\"1816\">Uc (Maximum Continuous Operating Voltage):<\/strong> the normal voltage the SPD can handle.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1854\" data-end=\"1945\">\r\n<p data-start=\"1856\" data-end=\"1945\"><strong data-start=\"1856\" data-end=\"1890\">Up (Voltage Protection Level):<\/strong> clamping voltage that downstream devices will \u201csee.\u201d<\/p>\r\n<\/li>\r\n \t<li data-start=\"1946\" data-end=\"2048\">\r\n<p data-start=\"1948\" data-end=\"2048\"><strong data-start=\"1948\" data-end=\"2000\">In \/ Imax (Nominal &amp; Maximum Discharge Current):<\/strong> how much surge current the device can absorb.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2049\" data-end=\"2141\">\r\n<p data-start=\"2051\" data-end=\"2141\"><strong data-start=\"2051\" data-end=\"2078\">Iimp (Impulse Current):<\/strong> specific to Type 1, representing lightning strike waveforms.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<a href=\"https:\/\/www.britecelectric.com\/attachment\/spd-install\/\" rel=\"attachment wp-att-2159\"><img class=\"alignnone size-full wp-image-2159\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/SPD-install.jpg\" alt=\"\" width=\"745\" height=\"609\" \/><\/a>\r\n<h2 data-start=\"486\" data-end=\"527\">4. Types of Surge Protection Devices<\/h2>\r\n<p data-start=\"529\" data-end=\"821\">Understanding SPD types is the key to designing layered surge protection. International standards such as <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/65314\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"639\" data-end=\"660\">IEC 61643-11 (AC)<\/strong><\/a>, <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/26931\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"662\" data-end=\"686\">IEC 61643-31 (DC\/PV)<\/strong><\/a>, and <a href=\"https:\/\/www.nemasurge.org\/ul-1449-transient-voltage-surge-suppressors\/\" target=\"_blank\" rel=\"nofollow noopener\"><strong data-start=\"692\" data-end=\"719\">UL 1449 (North America)<\/strong> <\/a>define different classes based on test waveforms, energy capability, and installation location.<\/p>\r\n<p data-start=\"823\" data-end=\"975\">Below, we break down the different types of surge protection devices (SPDs) you\u2019ll encounter, with their technical roles and application guidance.<\/p>\r\n\r\n<h3 data-start=\"982\" data-end=\"1038\">4.1 Type 1 SPDs (IEC 61643-11, Class I, 10\/350 \u00b5s)<\/h3>\r\n<ul data-start=\"1039\" data-end=\"1975\">\r\n \t<li data-start=\"1039\" data-end=\"1201\">\r\n<p data-start=\"1041\" data-end=\"1201\"><strong data-start=\"1041\" data-end=\"1056\">Definition:<\/strong> Designed to discharge partial lightning current. Tested with the 10\/350 \u00b5s impulse waveform (Iimp) representing a direct lightning strike.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1202\" data-end=\"1383\">\r\n<p data-start=\"1204\" data-end=\"1383\"><strong data-start=\"1204\" data-end=\"1227\">Installation Point:<\/strong> Service entrance, typically upstream of the main distribution board. Often used in buildings equipped with an external Lightning Protection System (LPS).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1384\" data-end=\"1658\">\r\n<p data-start=\"1386\" data-end=\"1407\"><strong data-start=\"1386\" data-end=\"1405\">Key Parameters:<\/strong><\/p>\r\n\r\n<ul data-start=\"1410\" data-end=\"1658\">\r\n \t<li data-start=\"1410\" data-end=\"1475\">\r\n<p data-start=\"1412\" data-end=\"1475\">Iimp (Impulse Current): rated lightning current capacity.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1478\" data-end=\"1571\">\r\n<p data-start=\"1480\" data-end=\"1571\">Uc (Maximum Continuous Operating Voltage): ensures no damage during normal operation.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1574\" data-end=\"1658\">\r\n<p data-start=\"1576\" data-end=\"1658\">Up (Voltage Protection Level): residual voltage seen by downstream circuits.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"1659\" data-end=\"1731\">\r\n<p data-start=\"1661\" data-end=\"1731\"><strong data-start=\"1661\" data-end=\"1681\">Technology Used:<\/strong> Spark gaps, heavy-duty MOVs, or hybrid designs.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1732\" data-end=\"1862\">\r\n<p data-start=\"1734\" data-end=\"1750\"><strong data-start=\"1734\" data-end=\"1748\">Use Cases:<\/strong><\/p>\r\n\r\n<ul data-start=\"1753\" data-end=\"1862\">\r\n \t<li data-start=\"1753\" data-end=\"1806\">\r\n<p data-start=\"1755\" data-end=\"1806\">Industrial facilities, telecom towers, hospitals.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1809\" data-end=\"1862\">\r\n<p data-start=\"1811\" data-end=\"1862\">Tall buildings in high lightning density regions.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"1863\" data-end=\"1975\">\r\n<p data-start=\"1865\" data-end=\"1975\"><strong data-start=\"1865\" data-end=\"1877\">Example:<\/strong> A factory with rooftop lightning rods will require Type 1 SPDs at the main incoming supply.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"1982\" data-end=\"2037\">4.2 Type 2 SPDs (IEC 61643-11, Class II, 8\/20 \u00b5s)<\/h3>\r\n<ul data-start=\"2038\" data-end=\"2824\">\r\n \t<li data-start=\"2038\" data-end=\"2167\">\r\n<p data-start=\"2040\" data-end=\"2167\"><strong data-start=\"2040\" data-end=\"2055\">Definition:<\/strong> Handles switching surges and indirect lightning effects. Tested with 8\/20 \u00b5s current waveform (In, Imax).<\/p>\r\n<\/li>\r\n \t<li data-start=\"2168\" data-end=\"2248\">\r\n<p data-start=\"2170\" data-end=\"2248\"><strong data-start=\"2170\" data-end=\"2193\">Installation Point:<\/strong> Main or sub-distribution boards inside the facility.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2249\" data-end=\"2496\">\r\n<p data-start=\"2251\" data-end=\"2272\"><strong data-start=\"2251\" data-end=\"2270\">Key Parameters:<\/strong><\/p>\r\n\r\n<ul data-start=\"2275\" data-end=\"2496\">\r\n \t<li data-start=\"2275\" data-end=\"2347\">\r\n<p data-start=\"2277\" data-end=\"2347\">In (Nominal Discharge Current): endurance under multiple surges.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2350\" data-end=\"2417\">\r\n<p data-start=\"2352\" data-end=\"2417\">Imax (Maximum Discharge Current): maximum surge capability.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2420\" data-end=\"2496\">\r\n<p data-start=\"2422\" data-end=\"2496\">Up: must coordinate with both upstream Type 1 and downstream Type 3.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"2497\" data-end=\"2578\">\r\n<p data-start=\"2499\" data-end=\"2578\"><strong data-start=\"2499\" data-end=\"2519\">Technology Used:<\/strong> MOV-based modules, often pluggable for easy replacement.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2579\" data-end=\"2716\">\r\n<p data-start=\"2581\" data-end=\"2597\"><strong data-start=\"2581\" data-end=\"2595\">Use Cases:<\/strong><\/p>\r\n\r\n<ul data-start=\"2600\" data-end=\"2716\">\r\n \t<li data-start=\"2600\" data-end=\"2655\">\r\n<p data-start=\"2602\" data-end=\"2655\">Residential homes, office buildings, retail stores.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2658\" data-end=\"2716\">\r\n<p data-start=\"2660\" data-end=\"2716\">Standard protection in areas with moderate surge risk.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"2717\" data-end=\"2824\">\r\n<p data-start=\"2719\" data-end=\"2824\"><strong data-start=\"2719\" data-end=\"2731\">Example:<\/strong> A small office without external LPS would typically use Type 2 SPDs in the main board.<\/p>\r\n<\/li>\r\n<\/ul>\r\nWant a detailed breakdown? Read our full guide: <span style=\"text-decoration: underline;\"><em><strong data-start=\"1021\" data-end=\"1147\"><a class=\"decorated-link\" href=\"https:\/\/www.britecelectric.com\/blog\/what-is-a-type-2-surge-protection-device\/\" target=\"_blank\" rel=\"noopener\" data-start=\"1023\" data-end=\"1145\">What Is a Type 2 Surge Protection Device?<\/a><\/strong><\/em><\/span>\r\n<h3 data-start=\"2831\" data-end=\"2890\">4.3 Type 3 SPDs (IEC 61643-11, Class III, combo wave)<\/h3>\r\n<ul data-start=\"2891\" data-end=\"3555\">\r\n \t<li data-start=\"2891\" data-end=\"3022\">\r\n<p data-start=\"2893\" data-end=\"3022\"><strong data-start=\"2893\" data-end=\"2908\">Definition:<\/strong> Fine protection for terminal equipment. Tested with combination wave (1.2\/50 \u00b5s voltage + 8\/20 \u00b5s current).<\/p>\r\n<\/li>\r\n \t<li data-start=\"3023\" data-end=\"3126\">\r\n<p data-start=\"3025\" data-end=\"3126\"><strong data-start=\"3025\" data-end=\"3048\">Installation Point:<\/strong> As close as possible to the protected device (socket outlet, device input).<\/p>\r\n<\/li>\r\n \t<li data-start=\"3127\" data-end=\"3273\">\r\n<p data-start=\"3129\" data-end=\"3150\"><strong data-start=\"3129\" data-end=\"3148\">Key Parameters:<\/strong><\/p>\r\n\r\n<ul data-start=\"3153\" data-end=\"3273\">\r\n \t<li data-start=\"3153\" data-end=\"3216\">\r\n<p data-start=\"3155\" data-end=\"3216\">Up: very low clamping level to protect sensitive loads.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3219\" data-end=\"3273\">\r\n<p data-start=\"3221\" data-end=\"3273\">Must be used in coordination with upstream Type 2.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"3274\" data-end=\"3348\">\r\n<p data-start=\"3276\" data-end=\"3348\"><strong data-start=\"3276\" data-end=\"3296\">Technology Used:<\/strong> MOVs combined with filters for extra attenuation.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3349\" data-end=\"3435\">\r\n<p data-start=\"3351\" data-end=\"3367\"><strong data-start=\"3351\" data-end=\"3365\">Use Cases:<\/strong><\/p>\r\n\r\n<ul data-start=\"3370\" data-end=\"3435\">\r\n \t<li data-start=\"3370\" data-end=\"3435\">\r\n<p data-start=\"3372\" data-end=\"3435\">Computers, LED drivers, medical electronics, and control systems.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"3436\" data-end=\"3555\">\r\n<p data-start=\"3438\" data-end=\"3555\"><strong data-start=\"3438\" data-end=\"3450\">Example:<\/strong> A hospital MRI machine requires Type 3 SPD near the device, working together with upstream Type 2.<\/p>\r\n<\/li>\r\n<\/ul>\r\nLearn more in our dedicated article: <span style=\"text-decoration: underline;\"><em><strong data-start=\"1474\" data-end=\"1584\"><a class=\"decorated-link\" href=\"https:\/\/www.britecelectric.com\/blog\/what-is-a-type-3-surge-protector\/\" target=\"_blank\" rel=\"noopener\" data-start=\"1476\" data-end=\"1582\">What Is a Type 3 Surge Protector?<\/a><\/strong><\/em><\/span>\r\n<h3 data-start=\"3562\" data-end=\"3594\">4.4 T1+T2 Combination SPDs<\/h3>\r\n<ul data-start=\"3595\" data-end=\"4178\">\r\n \t<li data-start=\"3595\" data-end=\"3710\">\r\n<p data-start=\"3597\" data-end=\"3710\"><strong data-start=\"3597\" data-end=\"3612\">Definition:<\/strong> A single SPD unit tested for both Class I (10\/350 \u00b5s) and Class II (8\/20 \u00b5s) waveforms.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3711\" data-end=\"3804\">\r\n<p data-start=\"3713\" data-end=\"3804\"><strong data-start=\"3713\" data-end=\"3725\">Benefit:<\/strong> Protects against direct lightning as well as switching surges in one device.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3805\" data-end=\"3895\">\r\n<p data-start=\"3807\" data-end=\"3895\"><strong data-start=\"3807\" data-end=\"3830\">Installation Point:<\/strong> Service entrance when space or budget limits multiple devices.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3896\" data-end=\"4076\">\r\n<p data-start=\"3898\" data-end=\"3914\"><strong data-start=\"3898\" data-end=\"3912\">Use Cases:<\/strong><\/p>\r\n\r\n<ul data-start=\"3917\" data-end=\"4076\">\r\n \t<li data-start=\"3917\" data-end=\"3996\">\r\n<p data-start=\"3919\" data-end=\"3996\">Medium-sized commercial or residential buildings need compact solutions.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3999\" data-end=\"4076\">\r\n<p data-start=\"4001\" data-end=\"4076\">Sites where coordination between separate Type 1 and Type 2 is difficult.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"4077\" data-end=\"4178\">\r\n<p data-start=\"4079\" data-end=\"4178\"><strong data-start=\"4079\" data-end=\"4091\">Example:<\/strong> A shopping mall's main switchboard may install a T1+T2 SPD to simplify protection.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"4185\" data-end=\"4217\">4.5 T2+T3 Combination SPDs<\/h3>\r\n<ul data-start=\"4218\" data-end=\"4676\">\r\n \t<li data-start=\"4218\" data-end=\"4299\">\r\n<p data-start=\"4220\" data-end=\"4299\"><strong data-start=\"4220\" data-end=\"4235\">Definition:<\/strong> Hybrid devices are tested for Class II and Class III performance.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4300\" data-end=\"4374\">\r\n<p data-start=\"4302\" data-end=\"4374\"><strong data-start=\"4302\" data-end=\"4314\">Benefit:<\/strong> Provides both distribution-level and terminal protection.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4375\" data-end=\"4477\">\r\n<p data-start=\"4377\" data-end=\"4477\"><strong data-start=\"4377\" data-end=\"4400\">Installation Point:<\/strong> Sub-panels close to sensitive loads, especially if cable runs exceed 10 m.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4478\" data-end=\"4559\">\r\n<p data-start=\"4480\" data-end=\"4496\"><strong data-start=\"4480\" data-end=\"4494\">Use Cases:<\/strong><\/p>\r\n\r\n<ul data-start=\"4499\" data-end=\"4559\">\r\n \t<li data-start=\"4499\" data-end=\"4559\">\r\n<p data-start=\"4501\" data-end=\"4559\">Data centers, server rooms, industrial control cabinets.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"4560\" data-end=\"4676\">\r\n<p data-start=\"4562\" data-end=\"4676\"><strong data-start=\"4562\" data-end=\"4574\">Example:<\/strong> A factory automation line with long cable runs to PLCs can use a T2+T3 SPD near the PLC panels.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"4683\" data-end=\"4734\">4.6 Type 4 SPDs (UL 1449, North America only)<\/h3>\r\n<ul data-start=\"4735\" data-end=\"5324\">\r\n \t<li data-start=\"4735\" data-end=\"4856\">\r\n<p data-start=\"4737\" data-end=\"4856\"><strong data-start=\"4737\" data-end=\"4762\">Definition (UL 1449):<\/strong> Component assemblies not intended as stand-alone devices but integrated into OEM equipment.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4857\" data-end=\"5012\">\r\n<p data-start=\"4859\" data-end=\"4879\"><strong data-start=\"4859\" data-end=\"4877\">Subcategories:<\/strong><\/p>\r\n\r\n<ul data-start=\"4882\" data-end=\"5012\">\r\n \t<li data-start=\"4882\" data-end=\"4965\">\r\n<p data-start=\"4884\" data-end=\"4965\">Type 4 Component Assemblies (CA): pre-packaged SPD parts for manufacturers.<\/p>\r\n<\/li>\r\n \t<li data-start=\"4968\" data-end=\"5012\">\r\n<p data-start=\"4970\" data-end=\"5012\">Type 5 Components: raw MOVs or GDTs.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5013\" data-end=\"5099\">\r\n<p data-start=\"5015\" data-end=\"5099\"><strong data-start=\"5015\" data-end=\"5038\">Installation Point:<\/strong> Inside appliances, power supplies, or custom-built panels.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5100\" data-end=\"5230\">\r\n<p data-start=\"5102\" data-end=\"5118\"><strong data-start=\"5102\" data-end=\"5116\">Use Cases:<\/strong><\/p>\r\n\r\n<ul data-start=\"5121\" data-end=\"5230\">\r\n \t<li data-start=\"5121\" data-end=\"5166\">\r\n<p data-start=\"5123\" data-end=\"5166\">OEMs designing surge-protected equipment.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5169\" data-end=\"5230\">\r\n<p data-start=\"5171\" data-end=\"5230\">Specialized industrial gear in the North American market.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5231\" data-end=\"5324\">\r\n<p data-start=\"5233\" data-end=\"5324\"><strong data-start=\"5233\" data-end=\"5245\">Example:<\/strong> A UPS manufacturer integrates Type 4 SPD assemblies inside its products.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"5331\" data-end=\"5382\">4.7 PV\/DC SPDs (IEC 61643-31, up to 1500 VDC)<\/h3>\r\n<ul data-start=\"5383\" data-end=\"6082\">\r\n \t<li data-start=\"5383\" data-end=\"5474\">\r\n<p data-start=\"5385\" data-end=\"5474\"><strong data-start=\"5385\" data-end=\"5400\">Definition:<\/strong> Surge protection devices designed for photovoltaic and DC circuits.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5475\" data-end=\"5555\">\r\n<p data-start=\"5477\" data-end=\"5555\"><strong data-start=\"5477\" data-end=\"5496\">Test Standards:<\/strong> IEC 61643-31 specifies requirements for DC applications.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5556\" data-end=\"5647\">\r\n<p data-start=\"5558\" data-end=\"5647\"><strong data-start=\"5558\" data-end=\"5581\">Installation Point:<\/strong> PV array combiner boxes, inverters, and DC distribution boards.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5648\" data-end=\"5876\">\r\n<p data-start=\"5650\" data-end=\"5671\"><strong data-start=\"5650\" data-end=\"5669\">Key Parameters:<\/strong><\/p>\r\n\r\n<ul data-start=\"5674\" data-end=\"5876\">\r\n \t<li data-start=\"5674\" data-end=\"5740\">\r\n<p data-start=\"5676\" data-end=\"5740\">Ucpv: rated continuous PV voltage (600 V, 1000 V, 1500 V).<\/p>\r\n<\/li>\r\n \t<li data-start=\"5743\" data-end=\"5796\">\r\n<p data-start=\"5745\" data-end=\"5796\">In \/ Imax: surge current handling on the DC side.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5799\" data-end=\"5876\">\r\n<p data-start=\"5801\" data-end=\"5876\">Response time: must be fast enough for semiconductor-based inverters.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5877\" data-end=\"5976\">\r\n<p data-start=\"5879\" data-end=\"5895\"><strong data-start=\"5879\" data-end=\"5893\">Use Cases:<\/strong><\/p>\r\n\r\n<ul data-start=\"5898\" data-end=\"5976\">\r\n \t<li data-start=\"5898\" data-end=\"5976\">\r\n<p data-start=\"5900\" data-end=\"5976\">Utility-scale solar farms, rooftop PV systems, battery storage facilities.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"5977\" data-end=\"6082\">\r\n<p data-start=\"5979\" data-end=\"6082\"><strong data-start=\"5979\" data-end=\"5991\">Example:<\/strong> A 1500 VDC solar farm will need <a href=\"https:\/\/www.britecelectric.com\/product_category\/pv-surge-protection-type-1-type-2\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"6024\" data-end=\"6041\">T1+T2 PV SPDs<\/strong><\/a> at combiner boxes and inverter inputs.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"6089\" data-end=\"6304\"><strong data-start=\"6091\" data-end=\"6115\">Pro Tip for readers:<\/strong> Always use a <em data-start=\"6129\" data-end=\"6153\">coordinated SPD system<\/em>. Type 1 at the entrance, Type 2 at sub-panels, and Type 3 close to critical loads. For PV, add Type 2 or T1+T2 DC SPDs as specified by IEC 61643-31.<\/p>\r\n\r\n<h2 data-start=\"3151\" data-end=\"3197\">5. Type 1 vs Type 2 vs Type 3 SPD Devices<\/h2>\r\n<p data-start=\"3199\" data-end=\"3436\">If you want a deeper dive, check our dedicated blog on this topic here:<br data-start=\"3270\" data-end=\"3273\" \/><a class=\"\" href=\"https:\/\/www.britecelectric.com\/blog\/difference-between-type-1-type-2-and-type-3-surge-protective-devices\/\" target=\"_blank\" rel=\"noopener\" data-start=\"3276\" data-end=\"3434\"><em><strong>Difference Between Type 1, Type 2, and Type 3 SPDs<\/strong><\/em><\/a><\/p>\r\n<p data-start=\"3438\" data-end=\"3504\">Here\u2019s a quick comparison to help you choose the right SPD type:<\/p>\r\n\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Attribute<\/th>\r\n<th><strong>Type 1 SPD<\/strong><\/th>\r\n<th><strong>Type 2 SPD<\/strong><\/th>\r\n<th><strong>Type 3 SPD<\/strong><\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td><strong>Tested Standard<\/strong><\/td>\r\n<td>IEC 61643-11 Class I (10\/350 \u00b5s) + dual-rated UL Type 1\/2<\/td>\r\n<td>IEC 61643-11 Class II (8\/20 \u00b5s) + UL Type 2<\/td>\r\n<td>IEC 61643-11 Class III (combination wave) + UL Type 3<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Typical Location<\/strong><\/td>\r\n<td>Service entrance \/ Main switchboard<\/td>\r\n<td>Inside distribution boards\/sub-panels<\/td>\r\n<td>Within 1 m of critical loads (computers, drivers, medical gear)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Primary Function<\/strong><\/td>\r\n<td>Handle direct lightning current; protect building entrance<\/td>\r\n<td>Handle modular surges from switching, fault arcs, etc.<\/td>\r\n<td>Suppress residual energy for sensitive electronics.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Parameter Focus<\/strong><\/td>\r\n<td>High impedance; Uc \u2265 system voltage; Up coordination<\/td>\r\n<td>In Imax, Up cascading with upstream\/downstream SPDs<\/td>\r\n<td>Ultra-low Up; precise clamping to protect sensitive loads<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Installation Note<\/strong><\/td>\r\n<td>Needs large wiring (\u226516 mm\u00b2); can be installed without upstream OCPD; must be coordinated with Type 2<\/td>\r\n<td>Requires upstream overcurrent protection; wiring \u22656 mm\u00b2<\/td>\r\n<td>Very close to load; supplement to upstream Type 2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Use Cases<\/strong><\/td>\r\n<td>Buildings with LPS, tall structures, and high lightning zones<\/td>\r\n<td>Most homes, commercial facilities, and industrial sub-panels<\/td>\r\n<td>PC clusters, PLC racks, LED\/medical systems<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h4 data-start=\"1155\" data-end=\"1168\">Overview<\/h4>\r\n<ul data-start=\"1183\" data-end=\"1421\">\r\n \t<li data-start=\"1183\" data-end=\"1258\">\r\n<p data-start=\"1185\" data-end=\"1258\"><strong data-start=\"1185\" data-end=\"1200\">Type 1 SPDs<\/strong> handle high-energy, direct lightning strokes (10\/350 \u00b5s).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1259\" data-end=\"1334\">\r\n<p data-start=\"1261\" data-end=\"1334\"><strong data-start=\"1261\" data-end=\"1276\">Type 2 SPDs<\/strong> mitigate switching surges and indirect strikes (8\/20 \u00b5s).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1335\" data-end=\"1421\">\r\n<p data-start=\"1337\" data-end=\"1421\"><strong data-start=\"1337\" data-end=\"1352\">Type 3 SPDs<\/strong> protect sensitive equipment at the last mile (combination waveform).<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"185\" data-end=\"253\">6. How to Install and Coordinate Surge Protection Devices (SPD)<\/h2>\r\n<p data-start=\"255\" data-end=\"619\">Correct installation is just as critical as selecting the right Types of Surge Protection Devices (SPD). Improper wiring or poor coordination can compromise protection levels, even if the SPD itself meets IEC or UL standards. Based on IEC 61643-11, IEC 61643-31, UL 1449, and our company\u2019s engineering guidelines, here are the key best practices:<\/p>\r\n<p data-start=\"255\" data-end=\"619\"><a href=\"https:\/\/www.britecelectric.com\/attachment\/spds-install\/\" rel=\"attachment wp-att-2167\"><img class=\"alignnone size-large wp-image-2167\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/SPDs-install-1024x726.jpg\" alt=\"\" width=\"1024\" height=\"726\" \/><\/a><\/p>\r\n\r\n<h3 data-start=\"621\" data-end=\"654\">1. Shortest Connection Rule<\/h3>\r\n<ul data-start=\"655\" data-end=\"917\">\r\n \t<li data-start=\"655\" data-end=\"789\">\r\n<p data-start=\"657\" data-end=\"789\">Keep all SPD connecting leads as short and straight as possible, ideally \u2264 0.5 m (as recommended in our technical manual).<\/p>\r\n<\/li>\r\n \t<li data-start=\"790\" data-end=\"917\">\r\n<p data-start=\"792\" data-end=\"917\">Long leads introduce inductive voltage rise, which increases the residual voltage (Up) seen by the protected equipment.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"919\" data-end=\"950\">2. Correct Conductor Size<\/h3>\r\n<ul data-start=\"951\" data-end=\"1317\">\r\n \t<li data-start=\"951\" data-end=\"1242\">\r\n<p data-start=\"953\" data-end=\"1002\">Use conductors sized according to the SPD type:<\/p>\r\n\r\n<ul data-start=\"1005\" data-end=\"1242\">\r\n \t<li data-start=\"1005\" data-end=\"1089\">\r\n<p data-start=\"1007\" data-end=\"1089\"><strong data-start=\"1007\" data-end=\"1022\">Type 1 SPD:<\/strong> minimum 16 mm\u00b2 copper (high-energy lightning current, Iimp).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1092\" data-end=\"1137\">\r\n<p data-start=\"1094\" data-end=\"1137\"><strong data-start=\"1094\" data-end=\"1109\">Type 2 SPD:<\/strong> minimum 6 mm\u00b2 copper.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1140\" data-end=\"1242\">\r\n<p data-start=\"1142\" data-end=\"1242\"><strong data-start=\"1142\" data-end=\"1157\">Type 3 SPD:<\/strong> follow the manufacturer\u2019s data, typically smaller cross-sections due to lower current.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li data-start=\"1243\" data-end=\"1317\">\r\n<p data-start=\"1245\" data-end=\"1317\">Always use copper conductors with low impedance and avoid sharp bends.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"1319\" data-end=\"1349\">3. Equipotential Bonding<\/h3>\r\n<ul data-start=\"1350\" data-end=\"1571\">\r\n \t<li data-start=\"1350\" data-end=\"1447\">\r\n<p data-start=\"1352\" data-end=\"1447\">All SPDs must be connected to the same main earthing bar or equipotential bonding system.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1448\" data-end=\"1571\">\r\n<p data-start=\"1450\" data-end=\"1571\">Bonding ensures surge energy is safely discharged to ground, avoiding dangerous potential differences between circuits.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"1573\" data-end=\"1598\">4. SPD Coordination<\/h3>\r\n<ul data-start=\"1599\" data-end=\"2069\">\r\n \t<li data-start=\"1599\" data-end=\"1738\">\r\n<p data-start=\"1601\" data-end=\"1738\">Voltage Protection Level (Up) Hierarchy: Upstream SPDs (Type 1) should always have a higher Up than downstream SPDs (Type 2\/3).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1739\" data-end=\"1907\">\r\n<p data-start=\"1741\" data-end=\"1907\">Distance Rule: If the cable between SPDs and protected loads is longer than 10 m, install an additional downstream SPD (e.g., Type 3) for better protection.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1908\" data-end=\"2069\">\r\n<p data-start=\"1910\" data-end=\"2069\">Parallel Coordination: For multi-stage protection (Type 1 + Type 2 + Type 3), ensure proper energy distribution so that no single device is overstressed.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"2071\" data-end=\"2105\">5. Back-Up Protection (OCPD)<\/h3>\r\n<ul data-start=\"2106\" data-end=\"2388\">\r\n \t<li data-start=\"2106\" data-end=\"2187\">\r\n<p data-start=\"2108\" data-end=\"2187\">Always use dedicated fuses or circuit breakers to protect the SPD itself.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2188\" data-end=\"2271\">\r\n<p data-start=\"2190\" data-end=\"2271\">Our manual specifies back-up fuse ratings depending on SPD model and Imax\/Iimp.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2272\" data-end=\"2388\">\r\n<p data-start=\"2274\" data-end=\"2388\">UL 1449 also requires proper overcurrent protection to prevent SPD overheating or failure during extreme events.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"2395\" data-end=\"2660\"><strong data-start=\"2397\" data-end=\"2409\">Pro Tip:<\/strong> Always verify compliance with <strong data-start=\"2440\" data-end=\"2521\">IEC 61643-11 (AC SPDs), IEC 61643-31 (PV\/DC SPDs), <\/strong>or UL 1449 (North America) depending on your region. Correct installation and coordination maximize SPD lifetime and ensure safety of the entire electrical system.<\/p>\r\n\r\n<h2 data-start=\"6325\" data-end=\"6343\">7. Conclusion<\/h2>\r\n<p data-start=\"6344\" data-end=\"6467\">Types of Surge Protection Devices are not interchangeable \u2014 each plays a unique role in defending electrical systems.<\/p>\r\n\r\n<ul data-start=\"6468\" data-end=\"6720\">\r\n \t<li data-start=\"6468\" data-end=\"6524\">\r\n<p data-start=\"6470\" data-end=\"6524\"><strong data-start=\"6470\" data-end=\"6480\">Type 1<\/strong> shields against direct lightning strikes.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6525\" data-end=\"6581\">\r\n<p data-start=\"6527\" data-end=\"6581\"><strong data-start=\"6527\" data-end=\"6537\">Type 2<\/strong> is the workhorse for distribution boards.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6582\" data-end=\"6638\">\r\n<p data-start=\"6584\" data-end=\"6638\"><strong data-start=\"6584\" data-end=\"6594\">Type 3<\/strong> protects your most sensitive electronics.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6639\" data-end=\"6720\">\r\n<p data-start=\"6641\" data-end=\"6720\"><strong data-start=\"6641\" data-end=\"6672\">Combinations and PV\/DC SPDs<\/strong> cover specialized and renewable applications.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"6722\" data-end=\"6892\">By understanding SPD types, their standards, and installation rules, you can design a layered defense that ensures safety, minimizes downtime, and protects investments.<\/p>"},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/blog\/2163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/media\/2160"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/media?parent=2163"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/blog_category?post=2163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}