... .Authoritative certificate:CCC, CE,UL, TUV & ROHS 3.Rated Voltage:AC. DC voltage: UP to 220 V 1.ParametersYZG2 range over-voltage ... range over-voltage procession device is used in control circuit AC 50Hz (or 60Hz), rated work voltage is up to 240V ... , DC voltage is up to 240V, for sort surge current and ...