Dol Starter Control Wiring Diagram. Contactor is connecting among supply voltage relay coil and thermal overload relay. The wiring diagram for a dol stater is shown below.
L1 of contactor connect no to r phase through mccb. The dol starter comprises an mccb or circuit breaker contactor and an overload relay for protection. One wiring called main wiring which is used for motor.
Direct online starter working principle and its applications.
Circuit diagram for dol starter with hold on contact the wiring diagram for a dol stater is shown below. In three phase dol starter wiring the two types of wiring done. Generally two kinds of direct online starter wiring diagrams are implemented. A direct online starter consists of two buttons a green button for starting and a red for stopping purpose of the motor.