The residential AC contactor, hereinafter referred to as the contactor, is mainly used in electrical systems with a rated working voltage of 230V, suitable for AC power at 50Hz [or 60Hz]. Under the use category of AC -7a, it operates at a rated working voltage of up to 230V and a rated working current of 63A, serving as a remote switch and main circuit control. This product is primarily used for controlling low-inductive loads in household appliances and similar applications, as well as household motor loads.