Ac contactor (hereinafter referred to as contactor), mainly used for AC 50Hz or 60Hz, rated operating voltage up to 690V, used to control AC motor. Electromagnetic starters can be formed with appropriate thermal overload relays to protect circuits where operating overload may occur.

The main circuit is designed as strong magnetic blowing fast arc quenching structure, which can reduce the burning loss of heavy duty high-multiple current arc and effectively extend the electric life under heavy duty condition. Thermosetting insulating body, effectively avoid the thermoplastic partition caused by melting short circuit between phases; Auxiliary contact group, thermal relay and other accessories can be installed by modular installation, combined into a variety of derivative products; The full range can be mounted with screws or clamp rails.