Dol Single Phase Starter Wiring Diagram. 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. A single phase dol motor starter can be designed using the same components as shown in following diagram.
The main heart of dol starter is relay coil. Working principle of dol starter. A single phase dol motor starter can be designed using the same components as shown in following diagram.
1 2 2kw motor with a flc of 5 amps 415volts.
It comprises an enclosure in steel or plastic a contactor start contact link wires and stop start buttons. 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. Dol starter direct online diagram construction advantages electrical4u. The direct on line motor starter dol is designed to switch a single or three phase induction motor at rated voltage.
