3 Phase Motor Control Circuit Diagram. Three phase motor connection schematic power and control wiring installation diagrams. Every large motor requires a circuit to turn it on and off.
Static assets imageservice cloud best tricks and techniques in home cabling for diy electricians there s a lot of cluttered up information of what you need to or should not do. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2. Rev for three phase motor connection power diagram power diagram.
When you press the start button and the stop button is not pressed the 24vdc relay energizes and it pulls in the r1 contactor that feeds three phase power to the motor.
We use 2 magnetic contactors as forward reverse switch. This article explains several common control circuit designs for the most typical three phase motor requirements. Three phase motor connection schematic power and control wiring installation diagrams. In the diagram i connect the incoming three phase supply l1 l2 l3 to the mccb circuit breaker molded case circuit.
