In the diagram i connect the incoming three phase supply l1 l2 l3 to the mccb circuit breaker molded case circuit breaker. Ladder diagram basics 6 fwd rev contactor for 3 phase motor duration.
400a Reversing Contactor Double Pole Double Throw Dpdt
Reversing contactor 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. Pete vree 34584 views. What is the difference between a contactor and reversing contactor and how do they. Here i showed the forward reverse wiring diagram. One of them contactor is forward contactor and other is reverse contactor. The usual aspects in a wiring diagram are ground power supply cord and link outcome devices switches resistors reasoning entrance lights etc.
Forward reverse motor control diagram for three phase motor for three phase motor forward reverse control circuit. To read a wiring diagram first you need to know exactly what basic components are included in a wiring diagram and also which pictorial icons are used to represent them. Applies electronic braking to the motor when the switch is in the park position which. We use 2 magnetic contactors as forward reverse switch. 24 volt 250 amp motor reversing contactor 24 volt dc 250 amp motor reversing contactor. Single phase reversing contactor wiring diagram.
Here connect the 3 phase supply to the over load relay same as input to run the motor in forward direction but in case of the reverse contactor we have to reverse one phase for the reversing of direction of motor as shown in the diagram. Why 3 phase ac instead of single phase. Coil power consumption 13 watts. Has no load rated make or break contacts so it needs to be used with a speed controller and the vehicle should be stopped before switching between forward park and reverse directions.