Contactor and Overload with tank wiring:

This diagram shows how to make Contactor and Overload with tank wiring. In this circuit, we use an RCCB ( Residual Current Circuit Breaker ), a DP MCB ( Double Pole Miniature Circuit Breaker ), an RCBO, a transformer, a magnetic contactor and overload, and two tanks. This circuit is very simple and easy to make. if you want to know more about this circuit please check our youtube video belwo the post. Stay with our website for more updates.


Diagram of Contactor and Overload with tank wiring:

Contactor and Overload with tank wiring

Components needed For this Project:

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

  1. DP RCCB 32A [See Buy Click Amazon]
  2. DP MCB 20A [See Buy Click Amazon]
  3. DP RCBO 20A [See Buy Click Amazon]
  4. Transformer 12V [See Buy Click Amazon]
  5. Magnetic Contactor 40A [See Buy Click Amazon]
  6. Motor Protector Overload [See Buy Click Amazon]
  7. Water Tank 1000L [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 Contactor and Overload with tank wiring:

01. RCCB:

The Residual Current Circuit breaker RCCB is the Safest device to detect and Trip against Electrical Leakage current. This ensures protection against Electric shock Caused by indirect contact. Circuit breakers (CB) are automatically Operated Electrical Switches that Protect Electrical Circuits from Short-Circuiting or Overloading systems. It Protects against many major accidents. RCCB Circuit Breaker is an Electrical Wiring device whose function is to disconnect the current in the circuit.

02. 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.

03. RCBO:

An RCBO protects Electrical equipment against 2 types of faults. Residual current and over current. Residual current. or earth leakage as it is sometimes referred to, occurs when there is a break in the circuit which can be caused by faulty electrical wiring or if the wire is accidentally cut. When there is a break in the circuit which may be due to faulty electrical wiring or accidental cutting of the wire. To prevent the current from being redirected and causing an electric shock. the RCBO current breaker stops it.

04. Transformer:

Using a transformer, electric energy can be moved from one AC circuit to another. A Transformer uses the electromagnetic induction principle to either increase or decrease the AC voltage (step-up or step-down). To lower the power in the circuits of low-voltage devices like doorbells, transformers are frequently utilized.

05. 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.

06. 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.

07. Water Tank:

Water tank storage is the storage of water, which we use for domestic, agricultural, and industrial purposes. Water storage tanks come in a variety of materials, shapes, and sizes depending on the intended use of the tank. A water storage tank is main role is to store water before it can be used for drinking, washing, cleaning, etc. - but many storage tanks are more complicated than they seem. There are some common types of water storage tanks that we use in homes. 1. Well-pressure tank 2. The thermal expansion tank 3. Reverse osmosis tank.

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Frequently asked questions

What is the use of contractors in PLC?

We use a contactor to turn on or off heavy and high voltage electrical devices such as motors, fans, pumps, etc. The reason that we use a contactor is to control these heavy-voltage electrical devices indirectly and safely via a PLC and not to connect the PLC directly to these output devices.

What is L1 and L2 on a contactor?

L1 and L2 represent the 2 poles of an AC power supply. L1 and L2 provide power supply to the components on the line side of the circuit. The control side of the circuit diagram will not have lines for L1 and L2. The control side of the circuit diagram will be below the line side on the diagram.

Are contractors AC or DC?

Direct current flow (DC) contactors and alternating current (AC) contactors. While these 2 types of contactors may seem interchangeable, they cannot be substituted for one another.

What is the role of a contractor?

The definition, of a general contractor is "the person and organization hired by the client to carry out the work required to complete a project." In other words "The general of the contractor is a party responsible for overseeing a construction project or who enters into the prime contract with the property owner.

What is the difference between AC1 and AC3 contactor?

The AC-three rating is always lower than the AC-1 rating and if the application is not known this rating would always be used. The 2 type of rating is AC-1, which is always higher than the AC-3 rating and is used for resistive loads. This is less common as these are the most often related to heating applications.

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