2-Wire Sensor in Magnetic Contactor:

This diagram shows how to connect 2 wire sensors in a magnetic contactor. In this circuit diagram, we use 2 wire NC sensor, a DP MCB ( Double Pole Miniature Circuit Breaker ), and a magnetic contactor. This diagram can be connected very easily. If you want to need more details about this circuit diagram please stay with our YouTube video.


Diagram of 2 Wire Sensor in Magnetic Contactor:

2 Wire Sensor in Magnetic Contactor

Components needed For this Project:

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

  1. DP MCB 10A [See Buy Click Amazon]
  2. Magnetic Contactor 40A [See Buy Click Amazon]
  3. Proximity Sensor [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 2 Wire Sensor in Magnetic Contactor:

01. DP MCB:

DP MCB In 2 Pole MCB, switching & protection is affected in phases and the neutral. A Double Pole or DP Switch is a Switch that Controls 2 Circuits at the same time. In terms of Residential Switching, this Normally means it Switches the live and Neutral at the same time. In Layperson Terms, Double Pole switches or DP Switches are Exclusively Designed to Control 2 Different Electrical Circuits at the same time, which allows the Appliances to Isolate safely and reliably. Fan or light Combinations and Medical Equipment are some of the many applications for DP Electrical Switches and Electrical components.

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. proximity sensor:

Negative-Positive-Negative (NPN) Proximity Sensors Provide an Active LOW Output. This Means That When an Object Enters the Detecting range of the sensor, the output of the sensor is connected to the ground. This type of sensor is also known as the Sinking sensor. Negative-Positive-Negative and PNP stands for Positive-Negative-Positive Transistors. Negative-Positive-Negative (NPN) Proximity Sensor NPN is Powered on When Enough Current is Supplied From the Transistor base to the Emitter.

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Frequently asked questions

How does a magnetic sensor work?

Magnetic sensors have a working principle based on the measurement of changes in the magnetic moment of magnetic material when exposed to magnetic fields. The magnetic materials say ferromagnetic react to temperature change or magnetoelastic materials react to mechanical stress, in the medium with which they interact.

How do you test a 2-wire proximity sensor with a multimeter?

Connect sensor wires to multi-meter as follows; Brown wire to battery and positive, Blue wire to battery negative and meter negative, and Black wire to meter positive. With no metallic contact to the power supply sensor, a battery and voltage should be present and l.e.d in the sensor on.

Why are magnetic sensors used?

Abstract. Magnetic sensors are often used for security and military applications such as detection, discrimination, and localization of ferromagnetic and conducting Circuit diagram objects, navigation, position tracking, and antitheft and systems.

What type of sensor is a magnetic sensor?

A magnetic sensor usually refers to a sensor that converts the magnitude and variations of a magnetic field into electric power supply signals. Magnetic fields, as exemplified by the magnetic field of the earth (earth magnetism) or magnets are familiar yet invisible Currenttlou phenomena.

Can magnetic sensors detect metal?

To detect metal, you have to check the Circuit Diagram intensity of the magnetic field, i.e. the magnitude of the magnetic field vector. You can detect magnetic fields using an Android magnetic field sensor, not metals. But Metals which have magnetic fields also will be detected e.g. iron, nickel, etc.

Read more Single Phase Wiring


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