Then you connect the 2 motor leads to t1 and t3. Ensure that all wiring is fully tight.

480v Motor Starter Wiring Diagram Diagram Base Website Wiring
3 phase contactor wiring diagram start stop pdf. Wiring should be done when power is off. Starting a three phase motor. With this kind of an illustrative guidebook you will be capable of troubleshoot prevent and complete your projects without difficulty. How to do contactor wiring for 3 phase induction motor with 3 pole circuit breaker overload relay nonc push button switches in this tutorial post i will tell you about motor contactor wiring and its diagram. Ladder diagram basics 3a nema contactor overview duration. Contactor wiring diagram you will want a comprehensive professional and easy to know wiring diagram.
Start stop 3 phase motor starter wiring thomas shues world. Tutorial 1 basic push start stop contactor. I zl ii i i ii i i fo 0. Motor starter schematic and wiring diagram. The most common use of 3 wire control is a startstop control. Start stop 3 wire control.
The below wiring diagram shows how we would assemble a complete motor starter with a startstop button for a single phase motor utilizing a 3 pole contactor. I operation depressing the start button energizes coil m hold in contacts m and maintains the circuit after the start button is released. Start stop control wiring diagrams single station basic circuit r 1 klai. See image below for an example of 3 wire control being used to pull in a contactor to start a 3 phase motor. 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 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v 230 v h1 h3 h2 h4 optional connection electrostatically shielded transformer f u 6 off on m l1 l2 1 2 stop ol m start 3 start start fiber optic. 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.
A wiring diagram is a simplified conventional pictorial representation of an. Using this method the current is balanced between the 3 poles on the overload. Start stop 3 wire control. 1 j start 2 3 stop i no. How to wire a contactor and. Identify the manufacturers info on the two input pins and the output contact use a cable stripper to avoid jutting wires during connections after identifying the input and output terminals start the connections.
Depressing the stop button breaks the circuit de energizing.