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| CIRCUIT BREAKER |  <<More Circuit Breaker |
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3 Pole Surge Protective Device Surge protective device (SPD) is used in the IT,TT,TN-C,TN-S,TN-C-S and low-voltage AC power distribution system, rated voltage up to 380v, to protect from direct and indirect lightning impulse and other transient over voltage. As per the conditions of IEC61643-1:1998-02 standard, Class I surge protective device, it is category B surge protective device. SPD has two protection modes: MC and MD, products are in compliance with GB18802.1 and IEC61643-1 standards. Structure & Principle SPD has only one side terminal, able to prevent from electric touching, indoor fixedly mounted, limiting voltage. SPD has built-in disconnector, when SPD is invalid due to overheating or breakdown, the disconnector can automatically separate SPD from the power grid, meanwhile output an indication signal. The visible window show white color in normal service, if to be separated from grid, it will show red color. 1P+N, 2P+N, 3P+N SPD consist of 1P, 2P, 3P SPD and NPE neutral and earthing protection modules, use in the power supply system of TT, TN-S, etc. Installation To be mounted between LPZ0B or LPZ1 zone and LPZ2 zone, adopts 35mm standard mounting rail. The cross sectional area of multi-strand soft copper conductor: 2.5~35mm 2 SPD must be set up for each pole ¨C use the surge protection for short circuit protection after SPD breakdown. It is mounted in distribution box of different floors, computer center, telecommunication room, control room of elevator, CATV room, fire fighting center, etc. Technical Parameter
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CHIONLY TECHNOLOGY LIMITED / LIANGSHINE ELECTRIC FIRM Email: chionly@chionly.com / chionly@163.com Skype: chionlyyang Wechat: chionly QQ: 150235583 |
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