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Application

JJ1(XJ01) and JJ1B series self-coupling decompression starting cabinet is suitable for three-phases AC50Hz/380V ,600kW and below , used for self-coupling decompression starting,running and stopping control.

Main fucntions and features

It makes use of voltage-reducing function of auto-transformer, reduce the starting current of the motor. Accelerating the motor close to the rated speed ensures the normal operation of the motor and reduces the impact of the motor starting current on the transmission network. Power line with overload, under voltage and phase failure protection, and artificially disconnected motor.