3 phase motor ampere meter wiring

3 Phase Motor Ampere meter wiring:

This diagram shows how to make 3-phase motor ampere meter wiring. In this circuit, we use an FP MCB ( Four Pole Minature Circuit Breaker ), a magnetic connector with overload, an ampere meter, and a selector switch. First, we need to connect the MCB with a power source, then connect the magnetic contactor with MCB, then connect the ampere meter, and selector switch with the circuit.

Diagram of wiring:

Fig 1: 3 phase motor ampere meter wiring

Components Need for this Project:

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

TP MCB [See Buy Click Amazon]
Ampere Meter [See Buy Click Amazon]
Selector Switch [See Buy Click Amazon]
Contactor [See Buy Click Amazon]
Overload [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 Project_name:

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. Ampere Meter

Fig 3: Ampere Meter

The Ammeter (Abbreviation of Ampere Meter) is a Measuring Instrument used to find the Strength of the Current Flowing Around an Electrical Circuit when Connected in Series with the part of the Circuit Being Measured. For Direct Measurement, The Ammeter is Connected in Series With the Circuit in Which The Current is to be Measured. An Ammeter’s Current Sensitivity is Determined by the Amount of Electric Current Required by the coil of the Meter to Produce the Required FSD Movement of the Pointer.

03. Selector Switch

Fig 4: Selector Switch

Selector Switches Can be Rotated left, Right, or in The Center in Order to Open or Close The Electrical Contacts. The Function of a Selector Switch is To Control Devices as well as Switch Between a Minimum of Two or More Circuits. The perfect Use For a Selector Switch is When Used for Controlling an Output of a Device. Selector Switches Come as a Complete Unit Often listed as a Terminal Block Meaning the Selector Switch is a Complete Block Which Makes it Simple And easy to Install.

04. Contactor

Fig 5: 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)

05. Overload

Fig 6: 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.

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3 phase motor ampere meter wiring