Dol Starter Power Circuit. The contactor is used for starting and stopping the motor where the green and red buttons are connected. The circuit breaker is used for protection against short circuits while the overload relay protects the motor from overloading.
Unique Wiring Diagram For Single Phase Dol Starter Circuit Diagram Electrical Diagram Diagram from www.pinterest.com
The power circuit helps us to flow the power to the motor terminal. These two buttons i e. The dol starter comprises an mccb or circuit breaker contactor and an overload relay for protection.
The dol starter comprises an mccb or circuit breaker contactor and an overload relay for protection.
A contactor can be of 3 poles or 4 poles. Dol starter of three phase induction motors control and power circuit consist mcb or fuse unit which connected in series with the supply. 1 to start the motor start push button is pressed. When the motor draws overcurrent the thermal overcurrent relay will trip the circuit and the motor disconnect from the supply.
