1)JJ1 series auto-voltage reducing starting control cabinet 2)AC 50Hz 3)CE,CB,ISO9001,14001,IEC 4 ... )OEM JJ1 series auto-voltage reducing starting control cabinet is suitable for three-phase squirrel-cage induction motor of ... working ways that is the manual control, automatic control and remote control, hereinto, the manual control and automatic control are performed by transfer switch, and ...