Surge Protective Device, SPD, Surge Protector
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surge protective device
surge protective device spd
The OBV4 series electricity wells up the protector to be suitable in exchanging power supply systems and so on the 50Hz/60Hz,380V, 220V and following TN-S, TN-C-S, TT, IT, took when thunderstroke the equipotential connection, altogether designed the basis to conform to GB18802, IEC61643-1, GB50057-94 (in 2000 version) , the outer covering design installed on the 35mm electricity guide rail, in this product set at the expiration release unit, when when the electricity welled up the protector the overflow, superheat, the puncture expiration, expired the release unit to be able automatic to be separated from it from the electrical network, simultaneously the visible warning instructed the module (normal) turned (breakdown) red by the green. The electricity wells up the protector module to be possible the online replacement.