{"id":1027,"date":"2024-09-04T20:17:52","date_gmt":"2024-09-04T12:17:52","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=product&p=1027"},"modified":"2026-04-07T13:54:17","modified_gmt":"2026-04-07T05:54:17","slug":"br-7m-11-7ka-type-12-bc-surge-protective-device-for-tt-and-tns","status":"publish","type":"product","link":"https:\/\/www.britecelectric.com\/sv\/product\/br-7m-11-7ka-type-12-bc-surge-protective-device-for-tt-and-tns\/","title":{"rendered":"BR-7M 1+1 7kA Typ 1+2 \/ B+C \u00f6versp\u00e4nningsskyddsanordning 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
Specifikation<\/strong><\/td>\n<\/td>\nBR-7M 150 1+1<\/strong><\/td>\nBR-7M 275 1+1<\/strong><\/td>\nBR-7M 320 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
Max. kontinuerlig drift a.c. sp\u00e4nning<\/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
Blixtimpulsstr\u00f6m (10\/350\u03bcs)<\/td>\nIimp(L-N\/N-PE)<\/td>\n7kA\/12,5kA<\/td>\n7kA\/12,5kA<\/td>\n7kA\/12,5kA<\/td>\n<\/tr>\n
Nominell urladdningsstr\u00f6m (8\/20\u03bcs)<\/td>\nIn(L-N\/N-PE)<\/td>\n20kA\/40kA<\/td>\n20kA\/40kA<\/td>\n20kA\/40kA<\/td>\n<\/tr>\n
Max. urladdningsstr\u00f6m (8\/20\u03bcs)<\/td>\nImax(L-N\/N-PE)<\/td>\n50kA\/80kA<\/td>\n50kA\/80kA<\/td>\n50kA\/80kA<\/td>\n<\/tr>\n
Specifik energi<\/td>\nW\/R(L-N\/N-PE)<\/td>\n12,25 kJ\/\u03a9, 39 kJ\/\u03a9<\/td>\n12,25 kJ\/\u03a9, 39 kJ\/\u03a9<\/td>\n12,25 kJ\/\u03a9, 39 kJ\/\u03a9<\/td>\n<\/tr>\n
Sp\u00e4nningsskyddsniv\u00e5<\/td>\nUpp(L-N\/N-PE)<\/td>\n\u22640,8kV\/\u22641,5kV<\/td>\n\u22641,3kV\/\u22641,5kV<\/td>\n\u22641,5kV\/\u22641,5kV<\/td>\n<\/tr>\n
Kortslutningsstr\u00f6m m\u00e4rkt a.c.<\/td>\nIsccr<\/td>\n25kA rms<\/td>\n25kA rms<\/td>\n25kA rms<\/td>\n<\/tr>\n
Max. reservs\u00e4kring<\/td>\n<\/td>\n125A gG<\/td>\n125A gG<\/td>\n125A gG<\/td>\n<\/tr>\n
Tillf\u00e4llig \u00f6versp\u00e4nning TOV-t\u00e5l<\/td>\nUT(L-N)<\/td>\n180V\/5sek.<\/td>\n335V\/5sek.<\/td>\n400V\/5sek.<\/td>\n<\/tr>\n
Tillf\u00e4lligt \u00f6versp\u00e4nning TOV-s\u00e4kert fel<\/td>\nUT(L-N)<\/td>\n230V\/120min.<\/td>\n440V\/120min.<\/td>\n520V\/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(L-N\/N-PE)<\/td>\n\u226425ns\/\u2264100ns<\/td>\n\u226425ns\/\u2264100ns<\/td>\n\u226425ns\/\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>\nB17330<\/td>\nB17332<\/td>\nB17334<\/td>\n<\/tr>\n
Best\u00e4llningskod (med fj\u00e4rrsignalering)<\/td>\n<\/td>\nB17331<\/td>\nB17333<\/td>\nB17335<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

\u00d6versp\u00e4nningsavledare f\u00f6r l\u00e5gsp\u00e4nningsn\u00e4tverksskydd mot \u00f6versp\u00e4nningar.<\/p>\n

SPD \u00e4r l\u00e4mplig f\u00f6r AC 50\/60HZ, TT str\u00f6mf\u00f6rs\u00f6rjningssystem.<\/p>\n

Skyddsanordningen antar 35 mm Din-skena montering.<\/p>\n

Designad enligt IEC61643-11 och GB18802.1 standarder.<\/p>\n

Eftersom skyddet normalt fungerar s\u00e5 lyser kontrollampan gr\u00f6nt.<\/p>\n

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

Mycket l\u00e4mplig f\u00f6r TT-system, f\u00f6r att skydda byggnaderna.<\/p>\n

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

Kabeldragning enligt \u00f6versp\u00e4nningsskyddets m\u00e4rke enligt kopplingsschemat.<\/p>\n

N\u00e4r den installeras enligt installationsschemat visar anslutningen, d\u00e4r l (L1, L2, L3) f\u00f6r linjen, n \u00e4r neutral, PE jordledning, missa inte. Efter att installationen \u00e4r klar, kontrollera att skyddsenheten \u00e4r inkopplad, st\u00e4ng den automatiska str\u00f6mbrytaren (s\u00e4kring), kontrollera att arbetsstatusen \u00e4r normal.<\/p>\n

Skydd som anv\u00e4nds under felvisningsf\u00f6nstret b\u00f6r periodiskt verifiera och visa tillst\u00e5nd n\u00e4r r\u00f6tt feldisplay eller fj\u00e4rrterminal avger larmsignaler, skyddet g\u00e5r s\u00f6nder, ska repareras eller bytas ut i tid.<\/p>\n

\"\"<\/p>\n

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