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Electronic Components & Parts / Electronic Components / Jumpers, Switchers /

Leakage Current Protective Device (SNB Series) (Ток утечки защитного устройства (СНБ серия))

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Producer information

Company:
Shanghai Tongyong Electrical Manufacturing Co., Ltd.

Address:
3 Anguo Road, Shanghai, China (Mainland) Zip: 200082

Phone:
+86-21-36080203

Leakage Current Protective Device (SNB Series)

In the 3-phase 4-wire system, three-phase wire and zero wire are all connected with ground by thunder protective device against thunder and surge. In normal conditions, the device is in high impedance state. But it will guide rapidly within ns when surge over-voltage arrives its discharge voltage because of lightning strike or other reasons. The device will guide the strong surging current to the ground. Consequently, it protects the equipment in the electric web. It will come back to high impedance state when surge disappears. But it doesn`t affect electric web. The protective device will sever itself from system automatically if it is destroyed or disabled. Sighting is indicated at the same time.

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