3 phase motor forward reverse wiring diagram:

This diagram shows how to make 3 phase motor forward reverse wiring diagram. In this circuit, we use a TP MCB ( Tripple Pole Miniature Circuit Breaker ), two magnetic contactors, an overload relay, and a 3-phase motor. First, we need to connect the MCB with a power source, then connect the contactor and overload with MCB, then connect the motor with this source. Now this circuit is ready for use. If you want to know more about this circuit please check our youtube video below the post.


Diagram of 3 phase motor forward reverse wiring:

3 phase motor forward reverse wiring diagram

Components needed For this Project:

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

  1. TP MCB 20A [See Buy Click Amazon]
  2. Magnetic Contactor 40A [See Buy Click Amazon]
  3. Motor Protector Overload [See Buy Click Amazon]
  4. 3 Phase Motor (5 HP) [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 forward reverse wiring:

01. TP MCB:

The full meaning of MCB is Miniature Circuit Breaker for TP MCB. MCB is an electromagnetic switch or device. If for any reason a short circuit occurs in the supply line or load line (line to line or line to neutral) or in case of overload MCB. the MCB automatically trips and disconnects the main line circuit or household power supply Connection. TP MCB In 3 Pole MCB, Switching & Protection is affected in only 3-Phases and the Neutral is not part of the MCB. 3 pole MCB signifies the Connection of Three Wires for a 3-Phase system Red-Yellow-Blue Phase. 3-Phase Supply Only Without Neutral.

02. Magnetic Contactor:

A magnetic contactor is an electromagnetic switching device. It is generally used for controlling 3-phase Motors. The operation of a magnetic contactor is similar to that of a Relay. but a relay is used for low-power or low-voltage connections, and a magnetic contactor is used for high-power or high-voltage connections. As soon as the supply is applied to the magnetic contactor coil. its normally open contacts are closed and normally closed contacts are opened and the associated devices are also operated. This is how a magnetic contactor works.

03. Overload Relay:

Overload Protection is Protection Against a Running Overcurrent That Would Cause Overheating of The Protected Equipment. Hence, An Overload is Also a Type of Overcurrent flow. Overload Protection Typically Operates on an Inverse Time curve where the Tripping Time Becomes less as the Current Increases. This Overload Protector is an Essential Component for Many Sockets Power Systems. The Top-Quality Overload Protector can Effectively Protect Electrical Products from Power Surges.

04. 3 Phase Motor:

A 3-phase electric motor uses a 3-phase Power Supply to Convert Electric Energy into Mechanical Energy. It contains four Wires (Three hot Wires and one Neutral Wire) and Uses 3 Alternating Currents of the Same Frequency. Since it Generates a Rotating Magnetic Field, it does not need a Capacitor for the Startup. Some 3-phase Motors are Reversible, Which Means they can serve as Generators by Turning Mechanical Energy into Electrical Energy.

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Frequently asked questions

How do you make the motor go forward and reverse?

Your DC motor could be configured to turn in either direction by simply inverting the polarity of the applied voltage. The change was the flow of current flow that switched the direction of the spinning forces, causing the motor and shaft to begin turning in the opposite direction.

What is the forward and reverse of the induction motor?

Once started, a single-phase induction motor would happily run in either direction. To reverse it, we need to change the direction of the rotating magnetic field produced by the running and starter windings. This should be accomplished by reversing the polarity of the starter winding.

What is the standard rotation of a 3-phase motor?

3-phase systems can be either clockwise (A-B-C) or counterclockwise (A-C-B) rotation. The phase rotation of the system could be determined by the rotor direction of rotation, and the position of the windings.

How does 3-phase rotation work?

Phase rotation, or phase sequence, was the order in which the voltage waveforms of the polyphase AC source reach their respective peaks. For a 3-phase system, there are only 2 possible phase sequences: 1-2-3 and 3-2-1, corresponding to the 2 possible directions of alternator rotation.

Which way does a 3-phase motor rotate clockwise or anticlockwise?

it means three-phase motor connection to the power supply by L-1 - L-2 - L-3, the three-phase motor will rotate clockwise. four. If you require the motor to rotate counterclockwise, you should change the connection to L-2 - L-1 - L-3, the motor should now rotate counterclockwise.

Read more Single Phase Wiring


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