Dol Starter Circuit Wiring Diagram. The dol starter comprises an mccb or circuit breaker contactor and an overload relay for protection. Dol starter connection and wiring diagram including thermal overload relay indication circuits.
All controlling of starter are controlled by this circuit. The wiring diagram for a dol stater is shown below. In the below dol starter wiring diagram i shown a molded case circuit breaker a magnetic contactor normally open push button normally close push button switch thermal overload relay motor trip indicator and 3 phase motor.
Easy way dol starter circuit and control diagram dol direct on line self teach bd.
To wire a 3 phase motor the first thing to wire is a circuit breaker which is a disconnect and connecting point then we will get the supply from the circuit breaker and connect the supply to the contactor or starter and then to the overload relay. The r y b is the three phase 380 volts supply. Dol starter or direct online starter is the most simple method to start a low capacity three phase motor. A direct online starter consists of two buttons a green button for starting and a red for stopping purpose of the motor.
