3 Phase Motor Wiring Diagram | 3 Phase Motor Connection Diagram | 3 Phase Motor Wiring

3 Phase Motor wiring Diagram:

This diagram shows how to make 3 Phase Motor Wiring Diagram. 3-Phase Motor Connection Diagram. 3-Phase Motor Wiring. In this circuit, we use a TP MCB ( Tripple Pole Miniature Circuit Breaker ), a magnetic contactor, and 3 phase motor. First, we need to input the connection to the MCB, then input the connection to the magnetic contactor and motor. Now this circuit is ready for use. In this circuit we use a  If you want to know more about this circuit please stay with our website and check our youtube video below the post. 

Diagram of motor connection wiring:

Components Need for this Project:

You can get the components from any of the sites below:

  1. TP MCB [See Buy Click Amazon]
  2. Overload [See Buy Click Amazon]
  3. Contactor [See Buy Click Amazon]
  4. 3 Phase Motor [See Buy Click Amazon]
*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!

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Components used to make the 3 phase motor wiring:

01. TP MCB

Fig 2: TP MCB

Three wires can be controlled by a triple pole MCB. Triple pole MCB circuit breakers are generally used in three-phase lines. A triple-pole MCB circuit breaker has three wires at its input and three wires at its output. But one can use this circuit breaker in a single-phase line. TP MCB widely used in industries. The reason is that it has three poles. And this TP circuit breaker is used to provide three-phase and three-phase connections. A neutral is not normally used in three-phase lines. But a 4-pole MCB circuit breaker is used if needed.

02. Overload

Fig 3: Overload

Overload relays are often used to protect the motor from excessive current flow. Overload relays are used to protect the motor from overheating. Besides some specific faults such as phase to phase, phase to ground, etc. overload relay provides protection to the motor. A thermal overload relay works on the principle of bimetallic strip electro-thermal characteristics. When the bimetallic heats up, the trip function in the overload relay turns on and disconnects the power supply to the contactor coil, thus tripping the overload relay and breaking the motor current and saving the motor.

03. Contactor 

Fig 4: Contactor

A magnetic contactor is an electrical device used for load control, automation, and protection. It is much like a magnetic reel. However, relays are generally used for low power and voltage, on the other hand, when we think of high power, these heavy-duty contractors only come to mind. It basically works by switching the load on and off. It has 3 terminals whose inputs are denoted as L1, L2, L3, and outputs as T1, T2, and T3. The circuit of the load is made in automation mode or protection using auxiliary contacts. It has two types of terminals. 1) Normally Open (NO). 2) Normally Closed (NC)

04. 3 Phase Motor

3 phase Motor
Fig 5: 3 phase Motor

Single-Phase Induction Motor is Very Simple in Construction, Economical, Reliable, and Easy to Repair And Maintain. Due to all these advantages, it is widely used in vacuum cleaners, fans, centrifugal pumps, blowers, washing machines, etc. It can run only by supplying 1 phase current through this motor. The main two parts of this motor are Rotor and Stator. Among them, the rotating part is the Rotor and the stationary part is the Stator. Like all induction motors, a single-phase induction motor consists of two main parts, the stator, and the rotor.

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