{"id":920,"date":"2024-09-04T10:57:01","date_gmt":"2024-09-04T02:57:01","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=product&p=920"},"modified":"2026-04-07T13:38:19","modified_gmt":"2026-04-07T05:38:19","slug":"br-25m-31-type-1-25ka-surge-arrester-for-tt-and-tns","status":"publish","type":"product","link":"https:\/\/www.britecelectric.com\/da\/product\/br-25m-31-type-1-25ka-surge-arrester-for-tt-and-tns\/","title":{"rendered":"BR-25M 3+1 Type 1 25kA oversp\u00e6ndingsafleder til TT og TNS"},"content":{"rendered":"

Beskrivelse<\/h3>

Produktegenskaber:<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specifikation<\/strong><\/td>\n<\/td>\nBR-25M 150 3+1<\/strong><\/td>\nBR-25M 275 3+1<\/strong><\/td>\nBR-25M 320 3+1<\/strong><\/td>\n<\/tr>\n
SPD-klassificering i henhold til EN61643-11<\/td>\n<\/td>\nSkriv 1 + 2 + 3<\/td>\nSkriv 1 + 2 + 3<\/td>\nSkriv 1 + 2 + 3<\/td>\n<\/tr>\n
SPD-klassificering i henhold til IEC61643-11<\/td>\n<\/td>\nKlasse I + II + III<\/td>\nKlasse I + II + III<\/td>\nKlasse I + II + III<\/td>\n<\/tr>\n
Nominel driftssp\u00e6nding<\/td>\nUn<\/td>\n120V\/240V (50\/60Hz)<\/td>\n230V\/400V (50\/60Hz)<\/td>\n250V\/440V (50\/60Hz)<\/td>\n<\/tr>\n
Maks. kontinuerlig drift a.c. sp\u00e6nding<\/td>\nUc (L-N\/N-PE)<\/td>\n150V\/255V (50\/60Hz)<\/td>\n275V\/255V(50\/60Hz)<\/td>\n320V\/255V (50\/60Hz)<\/td>\n<\/tr>\n
Lynimpulsstr\u00f8m (10\/350\u03bcs)<\/td>\nIimp (L-N\/N-PE)<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n<\/tr>\n
Samlet afladningsstr\u00f8m (10\/350\u03bcs)<\/td>\nI alt<\/td>\n100kA<\/td>\n100kA<\/td>\n100kA<\/td>\n<\/tr>\n
Nominel afladningsstr\u00f8m (8\/20\u03bcs)<\/td>\nI (L-N\/N-PE)<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n<\/tr>\n
Maks. afladestr\u00f8m (8\/20\u03bcs)<\/td>\nImax (L-N\/N-PE)<\/td>\n120kA\/200kA<\/td>\n120kA\/200kA<\/td>\n120kA\/200kA<\/td>\n<\/tr>\n
M\u00e6ngde af elektrisk ladning (L-N, N-PE)<\/td>\nQ<\/td>\n12.5As, 50As<\/td>\n12.5As, 50As<\/td>\n12.5As, 50As<\/td>\n<\/tr>\n
Specifik energi (L-N, N-PE)<\/td>\nW\/R<\/td>\n156kJ\/\u03a9, 2500kJ\/\u03a9<\/td>\n156kJ\/\u03a9, 2500kJ\/\u03a9<\/td>\n156kJ\/\u03a9, 2500kJ\/\u03a9<\/td>\n<\/tr>\n
Sp\u00e6ndingsbeskyttelsesniveau<\/td>\nOp (L-N\/N-PE)<\/td>\n\u22640,8kV\/\u22641,5kV<\/td>\n\u22641,3kV\/\u22641,5kV<\/td>\n\u22641,3kV\/\u22641,5kV<\/td>\n<\/tr>\n
Kortslutningsstr\u00f8m m\u00e6rke a.c.<\/td>\nIsccr (L-N\/N-PE)<\/td>\n25kA rms\/100A rms<\/td>\n25kA rms\/100A rms<\/td>\n25kA rms\/100A rms<\/td>\n<\/tr>\n
Maks. backup sikring<\/td>\n<\/td>\n200A gG<\/td>\n200A gG<\/td>\n200A gG<\/td>\n<\/tr>\n
Midlertidig oversp\u00e6nding TOV-modstand<\/td>\nUT(L-N)<\/td>\n180V\/5 sek.<\/td>\n335V\/5sek.<\/td>\n400V\/5sek.<\/td>\n<\/tr>\n
Midlertidig oversp\u00e6nding TOV-sikker fejl<\/td>\nUT(L-N)<\/td>\n230V\/120min.<\/td>\n440V\/120min.<\/td>\n520V\/120min.<\/td>\n<\/tr>\n
Midlertidig oversp\u00e6nding TOV-modstand<\/td>\nUT(N-PE)<\/td>\n1200V\/200ms<\/td>\n1200V\/200ms<\/td>\n1200V\/200ms<\/td>\n<\/tr>\n
L\u00e6kstr\u00f8m<\/td>\nIpe<\/td>\nIngen<\/td>\nIngen<\/td>\nIngen<\/td>\n<\/tr>\n
Responstid<\/td>\ntA<\/td>\n\u226425ns\/\u2264100ns<\/td>\n\u226425ns\/\u2264100ns<\/td>\n\u226425ns\/\u2264100ns<\/td>\n<\/tr>\n
Driftstemperaturomr\u00e5de<\/td>\nTu<\/td>\n-40\u2103-80\u2103<\/td>\n-40\u2103-80\u2103<\/td>\n-40\u2103-80\u2103<\/td>\n<\/tr>\n
Driftstilstand\/fejlindikation<\/td>\n<\/td>\ngr\u00f8n\/r\u00f8d<\/td>\ngr\u00f8n\/r\u00f8d<\/td>\ngr\u00f8n\/r\u00f8d<\/td>\n<\/tr>\n
Tv\u00e6rsnitsareal (min.)<\/td>\n<\/td>\n4 mm\u00b2<\/td>\n4 mm\u00b2<\/td>\n4 mm\u00b2<\/td>\n<\/tr>\n
Tv\u00e6rsnitsareal (maks.)<\/td>\n<\/td>\n35 mm\u00b2<\/td>\n35 mm\u00b2<\/td>\n35 mm\u00b2<\/td>\n<\/tr>\n
Til montering p\u00e5<\/td>\n<\/td>\n35 mm Din skinne<\/td>\n<\/tr>\n
Indkapslingsmateriale<\/td>\n<\/td>\nTermoplastisk UL94-V0<\/td>\n<\/tr>\n
Grad af beskyttelse<\/td>\n<\/td>\nIP20<\/td>\nIP20<\/td>\nIP20<\/td>\n<\/tr>\n
Bestillingskode<\/td>\n<\/td>\nB17208<\/td>\nB18163<\/td>\nB17221<\/td>\n<\/tr>\n
Ordrekode (med fjernsignalering)<\/td>\n<\/td>\nB17209<\/td>\nB18164<\/td>\nB17222<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Funktioner:<\/strong><\/p>\n

Oversp\u00e6ndingsaflederne BR-25M opfylder kravene i klasse I og klasse II i henhold til IEC 61643-11.<\/p>\n

M\u00e6rkede forbindelser.<\/p>\n

Elektrisk oversp\u00e6ndingsbeskytter virker ved at aflede den ekstra energi i den elektriske oversp\u00e6nding v\u00e6k fra hovedkredsl\u00f8bet, normalt til \u201cjorden\u201d.<\/p>\n

Oversp\u00e6ndingsbeskyttelsesanordninger (SPD), som er tilsluttet til hovedfordelingstavlen, overv\u00e5ger konstant forsyningssp\u00e6ndingen.<\/p>\n

\n

Anvendelse:<\/strong><\/p>\n

Disse enheder beskytter lavsp\u00e6ndingsforbrugersystemer mod oversp\u00e6nding.<\/p>\n

Anvendes i Klasse I + Klasse II (Klasse B + C) til TT og TN-S str\u00f8mforsyningssystem.<\/div>\n
\"\"<\/div>\n
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