1. Application: Switching on and off circuit of a crane.
2. It's able to operated high frequently, and maximum operating frequency up to 1200 times per hour.
3. Long service life, high safety, multifunctional, environmental protection, multi-specification, Intellectualization, and communicable is the development trend of contactor.
The AC crane contactor for crane is suitable for the circuit with frequency 50Hz and voltage to 690V. Crane Contactor is mainly used as the starting switch and commutation of AC motor of a crane.