{"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\/sv\/product\/br-50gr-11-type-1-50ka-surge-arrester-for-tt-and-tns\/","title":{"rendered":"BR-50GR 1+1 Typ 1 50kA \u00f6versp\u00e4nningsavledare f\u00f6r TT och TNS"},"content":{"rendered":"

Beskrivning<\/h3>

Produktegenskaper:<\/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 enligt EN61643-11<\/td>\n<\/td>\nTyp 1 + Typ 2<\/td>\nTyp 1 + Typ 2<\/td>\nTyp 1 + Typ 2<\/td>\n<\/tr>\n
SPD-klassificering enligt IEC61643-11<\/td>\n<\/td>\nKlass I + Klass II<\/td>\nKlass I + Klass II<\/td>\nKlass I + Klass II<\/td>\n<\/tr>\n
Nominell driftsp\u00e4nning<\/td>\nFn<\/td>\n120V(50\/60Hz)<\/td>\n230V(50\/60Hz)<\/td>\n250V(50\/60Hz)<\/td>\n<\/tr>\n
Max. kontinuerlig drift a.c. sp\u00e4nning<\/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
Blixtimpulsstr\u00f6m (10\/350\u03bcs)<\/td>\nIimp (L-N\/N-PE)<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n<\/tr>\n
Nominell urladdningsstr\u00f6m (8\/20\u03bcs)<\/td>\nI (L-N\/N-PE)<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n50kA\/100kA<\/td>\n<\/tr>\n
Max. urladdningsstr\u00f6m (8\/20\u03bcs)<\/td>\nImax (L-N\/N-PE)<\/td>\n160kA\/200kA<\/td>\n160kA\/200kA<\/td>\n160kA\/200kA<\/td>\n<\/tr>\n
M\u00e4ngd elektrisk laddning (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\u00e4nningsskyddsniv\u00e5<\/td>\nUpp (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\u00f6m m\u00e4rkt 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
Max. reservs\u00e4kring<\/td>\n<\/td>\n315A gG<\/td>\n315A gG<\/td>\n315A gG<\/td>\n<\/tr>\n
Tillf\u00e4llig \u00f6versp\u00e4nning TOV-t\u00e5l<\/td>\nUT (L-N)<\/td>\n230V\/120min.<\/td>\n440V\/120min.<\/td>\n580V\/120min.<\/td>\n<\/tr>\n
Tillf\u00e4llig \u00f6versp\u00e4nning TOV-t\u00e5l<\/td>\nUT (N-PE)<\/td>\n1200V\/200ms<\/td>\n1200V\/200ms<\/td>\n1200V\/200ms<\/td>\n<\/tr>\n
Svarstid<\/td>\ntA<\/td>\n\u2264100ns<\/td>\n\u2264100ns<\/td>\n\u2264100ns<\/td>\n<\/tr>\n
Drifttemperaturomr\u00e5de<\/td>\nti<\/td>\n-40\u2103-80\u2103<\/td>\n-40\u2103-80\u2103<\/td>\n-40\u2103-80\u2103<\/td>\n<\/tr>\n
Driftstillst\u00e5nd\/felindikering<\/td>\n<\/td>\ngr\u00f6n\/r\u00f6d<\/td>\ngr\u00f6n\/r\u00f6d<\/td>\ngr\u00f6n\/r\u00f6d<\/td>\n<\/tr>\n
Tv\u00e4rsnittsarea (min.)<\/td>\n<\/td>\n4 mm\u00b2<\/td>\n4 mm\u00b2<\/td>\n4 mm\u00b2<\/td>\n<\/tr>\n
Tv\u00e4rsnittsarea (max.)<\/td>\n<\/td>\n35 mm\u00b2<\/td>\n35 mm\u00b2<\/td>\n35 mm\u00b2<\/td>\n<\/tr>\n
F\u00f6r montering p\u00e5<\/td>\n<\/td>\n35 mm Din skena<\/td>\n<\/tr>\n
Kapslingsmaterial<\/td>\n<\/td>\nTermoplast UL94-V0<\/td>\n<\/tr>\n
Grad av skydd<\/td>\n<\/td>\nIP20<\/td>\nIP20<\/td>\nIP20<\/td>\n<\/tr>\n
Best\u00e4llningskod<\/td>\n<\/td>\nB17168<\/td>\nB18157<\/td>\nB17194<\/td>\n<\/tr>\n
Best\u00e4llningskod (med fj\u00e4rrsignalering)<\/td>\n<\/td>\nB17169<\/td>\nB18158<\/td>\nB17195<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

H\u00e5llbar, t\u00e5l flera slag.<\/p>\n

Mekanisk statusindikering.<\/p>\n

BR-50GR 1P+N \u00e4r l\u00e4mplig f\u00f6r TT- och TN-S-system.<\/p>\n

SPD inomhus fast monterad, begr\u00e4nsande sp\u00e4nning.<\/p>\n

SPD har inbyggd fr\u00e5nskiljare, n\u00e4r SPD \u00e4r ogiltig p\u00e5 grund av \u00f6verhettning eller haveri kan fr\u00e5nskiljaren automatiskt separera SPD fr\u00e5n n\u00e4tverket, samtidigt skicka en indikeringssignal. Om det ska separeras fr\u00e5n n\u00e4tverket kommer det synliga f\u00f6nstret att visa r\u00f6d f\u00e4rg.<\/p>\n

Ans\u00f6kan:<\/strong><\/p>\n

Eftersom de \u00e4r totalstr\u00f6mavledare mellan noll- och skyddsledare i TT-system, bidrar de enpoliga N-PE-blixtstr\u00f6msavledaren av typ BR-50GR NPE till att uppfylla kraven f\u00f6r skydd av personal och utrustning i \u201c1+1\u201d-kretsar.<\/p>\n

BR-50GR NPE-koordinerade NPE-blixtstr\u00f6mavledare har en speciell position bland totala str\u00f6mavledare. P\u00e5 grund av sin l\u00e5ga sp\u00e4nningsskyddsniv\u00e5 kan de direkt koordineras med N-PE \u00f6versp\u00e4nningsavledare i BR-50GR \u00f6versp\u00e4nningsavledare utan extra fr\u00e5nkopplingsspole.<\/p>\n

BR-50GR NPE-enheter \u00e4r l\u00e4mpliga f\u00f6r anslutning av ledare och samlingsskenor, vilket m\u00f6jligg\u00f6r bekv\u00e4m kabeldragning med andra DIN-skena monterade terminaler.<\/p>\n

Anv\u00e4nds i stor utstr\u00e4ckning i mobilkommunikationsbasstationer, mikrov\u00e5gskommunikationsbyr\u00e5er\/stationer, telekommunikationsrum, industriell gruvdrift, civil luftfart, finansiella v\u00e4rdepapper och andra kraftsystem.<\/p>\n

Installation och anm\u00e4rkning:<\/strong><\/p>\n

Vanligtvis installerad i l\u00e5gsp\u00e4nningshuvudf\u00f6rdelningssk\u00e5pet p\u00e5 byggnadens inkommande linje.<\/p>\n

\u00c5skskyddsjordning b\u00f6r uppfylla \u00e5skskyddsspecifikationerna; jordledningen ska vara s\u00e5 kort som m\u00f6jligt.<\/p>\n

\"\"<\/p>\n

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