The residential AC contactor, hereinafter referred to as the contactor, is mainly suitable for electrical systems with an AC frequency of 50Hz [or 60Hz], rated working voltage of 230V. Under the AC-7a application category, 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 controller. This product is primarily used for controlling low-inductive loads in household appliances and similar applications, as well as household motor loads.