Single Phase Direct Online Starter Circuit Diagram. The thermal overload is supplied as a separate item. Now after pushing the red push button switch nc switch the circuit will turn normal state as i showed in the first diagram.
Direct on line starter is the simplest kind of starter that connects the motor directly to the power supply through a three phase contactor. 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. The thermal overload is supplied as a separate item.
Single phase dol starter wiring diagram.
A wiring diagram is a simplified traditional photographic representation of an electric circuit. These two buttons i e. We have to use all 3 poles of the overload relay otherwise the imbalance due to the current flow in only 2 of them will cause unnecessary tripping. The thermal overload is supplied as a separate item.