YMW42-20 Umschalter

YMW42-20 changeover switch is used in the circuit of AC 50Hz, rated voltage up to 690V and below, DC voltage 240V and below, rated current up to 16A, to manually transfer the control circuit and electric meters non-frequently, aslo it can directly control small capacity alternating motor, used as master control and electric measurement Rated insulation voltage Ui (V) 690V Rated thermal current Lth(A) 20A AC3 (3×380V) 4KW AC23(3×380V) 7.5KW AC21 20A DC1 (24) 20A