MCCB and AC Contactor Control on Three Phase Induction Motor The MCCB serves as the main switching device for the motor. It provides short-circuit and overload protection. Use the MCCB's handle or operating mechanism to manually turn the power supply on and off CNC Electric can just be your trustworthy brand for business cooperation and household electrical demand. #cncelectric #cnc #motorcontrol #mccb #contactor #electric #electricalengineering #lifehacks 👋 SOCIALISE WITH US 👋 ***************