C7 Electric Heating AC Contactor

C7 Electric Heating AC Contoctorthaereinafter referred to os the contactor l.mainly uesd for AC 50Hz or 60Hz.the voltage to 690V.the AC 3.400(3801 to 95V use category under the rated current in a circuit.for long-distonce connected and breaking circuit.frequent starting and control of AC motor.and with the appropriate composition of thermal relay electromagnetic starter circuit may occur in order to protect the overload operation.Standard:GB/T14048.4、IEC 60947-4-1