{"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\/fi\/product\/br-25m-31-type-1-25ka-surge-arrester-for-tt-and-tns\/","title":{"rendered":"BR-25M 3+1 Type 1 25kA ylij\u00e4nnitesuoja TT:lle ja TNS:lle"},"content":{"rendered":"

Kuvaus<\/h3>

Tuotteen ominaisuudet:<\/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
Erittely<\/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-luokitus standardin EN61643-11 mukaisesti<\/td>\n<\/td>\nTyyppi 1 + 2 + 3<\/td>\nTyyppi 1 + 2 + 3<\/td>\nTyyppi 1 + 2 + 3<\/td>\n<\/tr>\n
SPD-luokitus IEC61643-11:n mukaan<\/td>\n<\/td>\nLuokka I + II + III<\/td>\nLuokka I + II + III<\/td>\nLuokka I + II + III<\/td>\n<\/tr>\n
Nimellinen k\u00e4ytt\u00f6j\u00e4nnite<\/td>\nUn<\/td>\n120V\/240V (50\/60Hz)<\/td>\n230V\/400V (50\/60Hz)<\/td>\n250 V\/440 V (50\/60 Hz)<\/td>\n<\/tr>\n
Max. jatkuva k\u00e4ytt\u00f6 AC. j\u00e4nnite<\/td>\nUc (L-N\/N-PE)<\/td>\n150 V\/255 V (50\/60 Hz)<\/td>\n275 V\/255 V (50\/60 Hz)<\/td>\n320V\/255V (50\/60Hz)<\/td>\n<\/tr>\n
Salamaimpulssivirta (10\/350\u03bcs)<\/td>\nIimp (L-N\/N-PE)<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n<\/tr>\n
Kokonaispurkausvirta (10\/350\u03bc)<\/td>\nYhteens\u00e4<\/td>\n100kA<\/td>\n100kA<\/td>\n100kA<\/td>\n<\/tr>\n
Nimellinen purkausvirta (8\/20\u03bcs)<\/td>\nIn (L-N\/N-PE)<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n25kA\/100kA<\/td>\n<\/tr>\n
Max. purkausvirta (8\/20\u03bc)<\/td>\nImax (L-N\/N-PE)<\/td>\n120kA\/200kA<\/td>\n120kA\/200kA<\/td>\n120kA\/200kA<\/td>\n<\/tr>\n
S\u00e4hk\u00f6varauksen m\u00e4\u00e4r\u00e4 (L-N, N-PE)<\/td>\nQ<\/td>\n12.5As, 50As<\/td>\n12.5As, 50As<\/td>\n12.5As, 50As<\/td>\n<\/tr>\n
Ominaisenergia (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
J\u00e4nnitteen suojaustaso<\/td>\nYl\u00f6s (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
Oikosulkuvirran nimellisarvo 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. varasulake<\/td>\n<\/td>\n200A gG<\/td>\n200A gG<\/td>\n200A gG<\/td>\n<\/tr>\n
Tilap\u00e4isen ylij\u00e4nnitteen TOV-kest\u00e4v\u00e4<\/td>\nUT(L-N)<\/td>\n180V\/5sek.<\/td>\n335V\/5sek.<\/td>\n400V\/5sek.<\/td>\n<\/tr>\n
V\u00e4liaikainen ylij\u00e4nnite TOV-turvallinen vika<\/td>\nUT(L-N)<\/td>\n230V\/120min.<\/td>\n440V\/120min.<\/td>\n520V\/120min.<\/td>\n<\/tr>\n
Tilap\u00e4isen ylij\u00e4nnitteen TOV-kest\u00e4v\u00e4<\/td>\nUT(N-PE)<\/td>\n1200V\/200ms<\/td>\n1200V\/200ms<\/td>\n1200V\/200ms<\/td>\n<\/tr>\n
Vuotovirta<\/td>\nIpe<\/td>\nEi mit\u00e4\u00e4n<\/td>\nEi mit\u00e4\u00e4n<\/td>\nEi mit\u00e4\u00e4n<\/td>\n<\/tr>\n
Vastausaika<\/td>\ntA<\/td>\n\u226425ns\/\u2264100ns<\/td>\n\u226425ns\/\u2264100ns<\/td>\n\u226425ns\/\u2264100ns<\/td>\n<\/tr>\n
K\u00e4ytt\u00f6l\u00e4mp\u00f6tila-alue<\/td>\nTu<\/td>\n-40 \u2103 -80 \u2103<\/td>\n-40 \u2103 -80 \u2103<\/td>\n-40 \u2103 -80 \u2103<\/td>\n<\/tr>\n
Toimintatilan\/vian ilmaisin<\/td>\n<\/td>\nvihre\u00e4\/punainen<\/td>\nvihre\u00e4\/punainen<\/td>\nvihre\u00e4\/punainen<\/td>\n<\/tr>\n
Poikkileikkauksen pinta-ala (min.)<\/td>\n<\/td>\n4mm\u00b2<\/td>\n4mm\u00b2<\/td>\n4mm\u00b2<\/td>\n<\/tr>\n
Poikkileikkausala (max.)<\/td>\n<\/td>\n35mm\u00b2<\/td>\n35mm\u00b2<\/td>\n35mm\u00b2<\/td>\n<\/tr>\n
Kiinnitykseen<\/td>\n<\/td>\n35 mm Din-kisko<\/td>\n<\/tr>\n
Kotelon materiaali<\/td>\n<\/td>\nTermoplastinen UL94-V0<\/td>\n<\/tr>\n
Suojausaste<\/td>\n<\/td>\nIP20<\/td>\nIP20<\/td>\nIP20<\/td>\n<\/tr>\n
Tilauskoodi<\/td>\n<\/td>\nB17208<\/td>\nB18163<\/td>\nB17221<\/td>\n<\/tr>\n
Tilauskoodi (kaukos\u00e4\u00e4timell\u00e4)<\/td>\n<\/td>\nB17209<\/td>\nB18164<\/td>\nB17222<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

Ylij\u00e4nnitesuojat BR-25M t\u00e4ytt\u00e4v\u00e4t IEC 61643-11:n luokan I ja luokan II vaatimusluokan.<\/p>\n

Merkityt liit\u00e4nn\u00e4t.<\/p>\n

S\u00e4hk\u00f6ylij\u00e4nnitesuoja toimii ohjaamalla ylim\u00e4\u00e4r\u00e4isen ylij\u00e4nniteenergian pois p\u00e4\u00e4piirist\u00e4, yleens\u00e4 \u201cmaahan\u201d.<\/p>\n

P\u00e4\u00e4jakokeskukseen kytketyt ylij\u00e4nnitesuojalaitteet (SPD) valvovat jatkuvasti sy\u00f6tt\u00f6j\u00e4nnitett\u00e4.<\/p>\n

\n

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

N\u00e4m\u00e4 laitteet suojaavat pienj\u00e4nnitteisi\u00e4 kuluttajaj\u00e4rjestelmi\u00e4 ylij\u00e4nnitteelt\u00e4.<\/p>\n

K\u00e4ytet\u00e4\u00e4n luokassa I + luokka II (luokka B + C) TT- ja TN-S-virtal\u00e4hdej\u00e4rjestelmiss\u00e4.<\/div>\n
\"\"<\/div>\n
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