DC contactor is an automatic electromagnetic switch，which is suitable for frequent connecting and disconnecting DC main circuits and large -capacity control circuits. It can automatically adjust, protect , converse and disconnect the circuit.

The main control objects of the DC contactor are electric motors, electric heating equipment, welding machines, and capacitors. It can not only achieve long -distance automatic operations (low pressure control high pressure),but also has characteristics including large control capacity, compact volume, high safety, reliable operation, long service life, diverse use, etc.