Ol over load relay no normally open nc normally close rev reverse for forward. The reverse contactor coil gets supply through phase r off push button f2 reverse contactor coil r on push button phase y.
Xb 1382 Electric Motor Reverse Connection Braking Circuit
Three phase forward reverse starter. The three phase incoming supply molded case circuit breaker mccb two magnetic contactors overload relay 3 phase motor earth wire and wiring connection. More electrical tips and diagrams wwwaboutelectricitycouk like subscribe and dont skip the ads. In this post you will complete learn about the forward reverse three phase motor controlling starter diagram. In my last posts i share the wiring diagram of forward reverse three phase motor starter and also the 8 pin timer wiring diagram. One of them contactor is forward contactor and other is reverse contactor. In the power diagram of the forward reverse starter connect the three phase supply to the input of the mcb.
How to change rotation of a three phase electric motor. Forward reverse starter power diagram. I shown the 3 pole mccb circuit breaker 2 magnetic contactor normally open normally close push button switch thermal overload relay 3 phase 4 wire system supply 3 phase. A motor controller might include a manual or automatic means for starting and stopping the motor selecting forward or reverse rotation selecting and regulating the speed regulating or limiting. In the 3 phase motor forward reverse starter wiring diagram. The reverse contactor coil energized and three phase induction motor runs in the reverse direction.
Here i shown reverse forward motor control circuit diagram 2nd part which is about the controlling wiring of reverse forward reverse starter. In the below. Three phase motor connection reverse and forward power and control wiring diagrams two direction one speed abbreviations. Reversing three phase induction motor. Forward and reverse motor conrol. In the below diagram the main wiring for 3 phase motor is also shown and control wiring is also shown.
The contactors controlling the forward or the reverse rotation of the motor can be started by pressing the forward pushbutton or the reverse pushbutton. Output of mcb has to connect with two contactor. I shown the complete method. This post is about the main and control wiring of forward reverse starter with timer. If the forward pushbutton is pressed power will be sent to the coil through. Three phase motor connection stardelta y δ reverse and forward with timer power control diagram as we have already shared the starting method of three phase motor by star delta starter with timer circuit power and control circuits.
The reversing starter in configuration 1 operates as follows. Now in the below diagrams three phase motor will rotate in two directions viz forward and reverse.
Gallery of Three Phase Forward Reverse Starter
