CDCH8s household ac contactor as long as applied to ac 50 hz, working voltage 250 v / 400 v electric current in the circuit of 20A - 63A, is used to control the tiny dots are household electrical appliances such as microwave oven, electric cooker, etc., can also be used for motor household electrical appliances such as air conditioners, washing machines, refrigerators, etc. And for this product is safe and reliable, high service life, no noise at work, are widely used in hospitals and hotels, and other important places.