Conforms to standards of IEC10086, GB16916, VDE0664 and BS4293
Suitable for circuit of AC 50 to 60Hz, single phase 230V (220V), three phases 400V (380V) or below them in industrial and mining enterprises, commercial buildings and housing
Will break off fault circuit rapidly to avoid electric shock hazard and fire accident which can be caused by personal electric shock or earth leakage current
There are three kinds of action current: alternating-current type, alternating-current pulsating direct current type and time-delay alternating-current pulsating direct current type
Consist of zero-phase-sequence current transformer, high sensitivity
electromagnetic release, operating device and test device, all of them are installed into sealed case
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