Dol Starter Control Circuit. When the coil of the contactor is energized then the contactor closes the power circuit and the motor gets the power supply. The dol starter basically consists of two main protection parts.
Star Delta Starter Control Wiring Electrical Circuit Diagram Electrical Wiring Electrical Wiring Diagram from www.pinterest.com
The control circuit is connected to the contactor coil. The circuit breaker is used for protection against short circuits while the overload relay protects the motor from overloading. Green and red or start and stop buttons control the contacts.
These two buttons i e.
The dol starter is made of a circuit breaker or mccb or fuse an overload relay and contactor or coil. The contactor is used for starting and stopping the motor where the green and red buttons are connected. The all main operations are done in the control circuit. The direct on line starter usually consists of a contactor circuit breaker and an overload relay for protection against any damage.
