{"id":962,"date":"2024-09-04T11:27:46","date_gmt":"2024-09-04T03:27:46","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=product&p=962"},"modified":"2026-04-22T10:09:18","modified_gmt":"2026-04-22T02:09:18","slug":"br-50gr-11-type-1-50ka-surge-arrester-for-tt-and-tns","status":"publish","type":"product","link":"https:\/\/www.britecelectric.com\/da\/product\/br-50gr-11-type-1-50ka-surge-arrester-for-tt-and-tns\/","title":{"rendered":"BR-50GR 1+1 Type 1 50kA 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
Specifikation<\/strong><\/td>\n<\/td>\nBR-50GR 150 1+1<\/strong><\/td>\nBR-50GR 275 1+1<\/strong><\/td>\nBR-50GR 350 1+1<\/strong><\/td>\n<\/tr>\n
SPD-klassificering i henhold til EN61643-11<\/td>\n<\/td>\nType 1 + Type 2<\/td>\nType 1 + Type 2<\/td>\nType 1 + Type 2<\/td>\n<\/tr>\n
SPD-klassificering i henhold til IEC61643-11<\/td>\n<\/td>\nKlasse I + Klasse II<\/td>\nKlasse I + Klasse II<\/td>\nKlasse I + Klasse II<\/td>\n<\/tr>\n
Nominel driftssp\u00e6nding<\/td>\nUn<\/td>\n120V(50\/60Hz)<\/td>\n230V(50\/60Hz)<\/td>\n250V (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>\n350V\/255V (50\/60Hz)<\/td>\n<\/tr>\n
Lynimpulsstr\u00f8m (10\/350\u03bcs)<\/td>\nIimp (L-N\/N-PE)<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n<\/tr>\n
Nominel afladningsstr\u00f8m (8\/20\u03bcs)<\/td>\nI (L-N\/N-PE)<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n<\/tr>\n
Maks. afladestr\u00f8m (8\/20\u03bcs)<\/td>\nImax (L-N\/N-PE)<\/td>\n160kA\/200kA<\/td>\n160kA\/200kA<\/td>\n160kA\/200kA<\/td>\n<\/tr>\n
M\u00e6ngde af elektrisk ladning (L-N, N-PE)<\/td>\nQ<\/td>\n25As, 50As<\/td>\n25As, 50As<\/td>\n25As, 50As<\/td>\n<\/tr>\n
Specifik energi (L-N, N-PE)<\/td>\nW\/R<\/td>\n625kJ\/\u03a9, 2500kJ\/\u03a9<\/td>\n625kJ\/\u03a9, 2500kJ\/\u03a9<\/td>\n625kJ\/\u03a9, 2500kJ\/\u03a9<\/td>\n<\/tr>\n
Sp\u00e6ndingsbeskyttelsesniveau<\/td>\nOp (L-N\/N-PE)<\/td>\n\u22642.0kV\/\u22641.5kV<\/td>\n\u22642.0kV\/\u22641.5kV<\/td>\n\u22642.0kV\/\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>\n315A gG<\/td>\n315A gG<\/td>\n315A gG<\/td>\n<\/tr>\n
Midlertidig oversp\u00e6nding TOV-modstand<\/td>\nUT (L-N)<\/td>\n230V\/120min.<\/td>\n440V\/120min.<\/td>\n580V\/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
Responstid<\/td>\ntA<\/td>\n\u2264100ns<\/td>\n\u2264100ns<\/td>\n\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>\nB17168<\/td>\nB18157<\/td>\nB17194<\/td>\n<\/tr>\n
Ordrekode (med fjernsignalering)<\/td>\n<\/td>\nB17169<\/td>\nB18158<\/td>\nB17195<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

Holdbar, t\u00e5ler flere slag.<\/p>\n

Mekanisk statusindikation.<\/p>\n

BR-50GR 1P+N er velegnet til TT og TN-S system.<\/p>\n

SPD indend\u00f8rs fast monteret, begr\u00e6nsende sp\u00e6nding.<\/p>\n

SPD har indbygget afbryder, n\u00e5r SPD er ugyldig p\u00e5 grund af overophedning eller nedbrud, kan afbryderen automatisk adskille SPD fra netv\u00e6rket, imens sende et indikationssignal. Hvis det skal adskilles fra netv\u00e6rket, vil det synlige vindue vise r\u00f8d farve.<\/p>\n

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

Da de er totalstr\u00f8msafledere mellem nul- og beskyttelsesleder i TT-systemer, er de enpolede N-PE lynstr\u00f8msafledere af type BR-50GR NPE med til at sikre opfyldelse af kravene til beskyttelse af personale og udstyr i \u201c1+1\u201d kredsl\u00f8b.<\/p>\n

De BR-50GR NPE-koordinerede NPE-lynstr\u00f8msafledere har en s\u00e6rlig position blandt de samlede str\u00f8mafledere. P\u00e5 grund af deres lave sp\u00e6ndingsbeskyttelsesniveau kan de koordineres direkte med N-PE oversp\u00e6ndingsafledere p\u00e5 BR-50GR oversp\u00e6ndingsafledere uden yderligere afkoblingsspole.<\/p>\n

BR-50GR NPE-enheder er velegnede til at forbinde ledere og samleskinner, hvilket muligg\u00f8r komfortabel ledningsf\u00f8ring med andre DIN-skinnemonterede terminaler.<\/p>\n

Udbredt i mobilkommunikationsbasestationer, mikrob\u00f8lgekommunikationsbureauer\/-stationer, telekommunikationsrum, industriel minedrift, civil luftfart, finansielle v\u00e6rdipapirer og andre str\u00f8msystemer.<\/p>\n

Installation og bem\u00e6rk:<\/strong><\/p>\n

Normalt installeret i lavsp\u00e6ndings-hovedfordelingsskabet i bygningens indg\u00e5ende linje.<\/p>\n

Lynbeskyttelsesjording skal opfylde lynbeskyttelsesspecifikationerne; jordledningen skal v\u00e6re s\u00e5 kort som muligt.<\/p>\n

\"\"<\/p>\n

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