Dol Starter Control Wiring Diagram
Dol wiring scheme motor starting characteristics on dol starter.
Dol starter control wiring diagram. The wiring of direct on line control circuit starter is following. 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 wiring diagram of a dol starter is shown below. The connection of contactor can be done among relay coil supply voltage as well as thermal overload.
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. In the above three phase dol starter wiring diagram. 3 phase motor contactor wiring diagram. Welcome to the schneider electric website.
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. Dol starter control diagram three phase. The l1 contactor is connected from normally open no to r phase using mccb. How to make motor control 3 phase reverse and forward starter reverse forward dol starter power and control wiring reverse forward motor starter control and.
When we push stop button control circuit of starter will be break at stop button and supply of relay coil is broken plunger moves and close contact of main contactor becomes open supply of motor is disconnected. 1 the following links are pre fitted to the starter. Single phase motor dol starter connection diagram. Since the dol starter connects the motor directly to the main supply line the motor draws a very high inrush current compared to the full load current of the motor up to 5 8 times higher.
3 phase motor wiring diagrams electrical info pics. All other control and power connections have to be made by the installer. Wiring of the direct on line dol motor starter 1 three phase supply 230volt coil see wiring diagram. 13 17 with a flying lead to be connected to overload terminal 95.
Single phase dol starter wiring diagram. Wiring diagram of dol starter. And one wiring is called controlling wiring.