Surge Protective Device in LYD4 series is used on AC 50/60Hz and ... is fixed on 35mm electrical guide, and with failure release device inside. As long as SPD become invalid after the breakdown ... caused by over-heat and overload current, the failure release device will be disengaged from power system automatically with the warning ... , powerful energy, gap discharge pole (N-PE). Surge Protective Device(SPD)
12V/24V door lock actuators central locking system 1. Factory produce&supply 2. Fit ... to install 4. GoodPrice 12V/24V door lock actuators central locking system Power central lock, pull/push power:3KG Rotational heads for ... cables:Can offer you any color!Package: 12V/24V door lock actuators central locking system
wound motor speed control device achieve the purpose of regulating motor speed by changing the ... motor rotor resistance wound motor speed control device I, mainly features:1. Starting current is small, generally less ...
water leak detector alarm device high quality water leak monitor water leakage alarm leak positioning ... a clip Machine room base station water leak detector alarm device/monitor
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