Dol Single Phase Starter Wiring Diagram. The wiring diagram for a dol stater is shown below. Dol starter direct online diagram construction advantages electrical4u.
In this article we will discuss dol starter direct online starter working principle and construction dol starter diagram control diagram power circuit and wiring single 3 phase starter direct on line is the simplest and cheapest method used for starting three phase motor. A single phase dol motor starter can be designed using the same components as shown in following diagram. Normally it gets one phase constant from incoming supply voltage a1 when coil gets second phase relay coil energizes and magnet of contactor produce electromagnetic field and due to this plunger of contactor will move and.
The dol starter comprises an mccb or circuit breaker contactor and an overload relay for protection.
Green and red or start and stop buttons control the contacts. Dol starter wiring diagram. In the above one phase motor wiring i first connect a 2 pole circuit breaker and after that i connect the supply to motor starter and then i do cont actor coil wiring with normally close push button switch and normally open push button switch and in last i do connection between capacitor start motor and contactor. The main heart of dol starter is relay coil.
