Favorite 3 Phase Dol Starter Control Wiring Diagram
A dol motor starter contains protection devices and in some cases condition monitoring.
3 phase dol starter control wiring diagram. The control wiring will be as that for the 240vac coil version of the 3 phase system. The working principle of a dol starter begins with the connection to the 3 phase main with the motor. 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.
The three phase supply is connected the mccb circuit breaker. The coil of the contactor is 380 vac. Dol starter is starting method 3 phase induction motor pdf direct online starter wiring dol control diagram connection working principle power diagram circuit advantages disadvantages.
When we press the start button the current flows through the. In the above dol starter diagram. And one wiring is called controlling wiring.
And one wiring is called controlling wiring. We connect the circuit breaker contactor and. The r y b is the three phase 380 volts supply.
A wiring diagram of a dol starter is shown below. All connection i. 3 phase motor wiring diagrams electrical info pics.
In the above three phase dol starter wiring diagram. The 3 phase incoming supply shown l1 l2 l3. And the normally open and normally close push button shown.