Air compressor automatically on off connection | Air compressor wiring diagram

Air compressor automatically on off connetion:

This diagram shows how to make an Air compressor automatically on off the connection. Air compressor wiring diagram. In this circuit, we use an SP MCB ( Single Pole Miniature Circuit Breaker ), a TP MCB (Triple Pole Miniature Circuit Breaker ), a magnetic contactor with overload, and 3 phase air compressor.  Now this circuit is ready for use. If you want to know more about this circuit please stay with our website and check our youtube video below the post. 

Diagram of Air compressor wiring:

Fig 1: Air compressor automatically on-off connection

Components Need for this Project:

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

1. Contactor [See Buy Click Amazon]
2. Overload [See Buy Click Amazon]
3. Air Compressor [See Buy Click Amazon]
4. TP MCB [See Buy Click Amazon]
5. SP MCB [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 air compressor:

01. Contactor

Fig 2: 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)

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. Air Compressor

Fig 4: Air Compressor 

The work of the compressor is to keep the cooling system of the fridge AC running. With the help of which the cooling system of fridge AC works. The refrigerator compresses the gas inside the AC to produce cold air. The main function of the compressor is to create or supply cold air inside the refrigerator AC. The main function of the compressor is to compress the gas (R22, R410A) inside the refrigerator AC or to compress the air through the rotor inside the motor. And as a result of this compression, the work of the compressor is to collect the low-pressure vapor refrigerant from the evaporator, turn it into high-pressure and reach the condenser to generate cold air inside the refrigerator.

04. TP MCB

Fig 5: 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.

05. SP MCB

Fig 6: SP MCB

MCB SP means single pole it protects only one phase switching. MCB (Miniature Circuit Breaker) Curswitch is the most basic general-purpose switch that you use to control a light or another device from one location. These Switches Have Two Brass-Colored Screw Terminals Connected to the hot Power Source Wires. (MCB) For any Distribution Board, the Protection System Must be Used in The Incomer. Phase and Neutral Single Phase Supply to break. 120-volt circuits, 15-20 amp single pole breaker is typically used.

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