Float Switch wiring diagram for Water Pump:

This diagram shows how to make a float switch wiring diagram for the water pump. In this circuit, we use a DP MCB ( Double Pole Miniature Circuit Breaker ), a magnetic contactor, a single-phase water pump, a float switch, and a water tank. First, we need to input power to DP MCB, then from DP MCB to connect the magnetic contactor, then from the magnetic contactor to input power to single phase motor, and also input power to the water tank float switch. 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 Float Switch wiring diagram for Water Pump:

Components needed For this Project:

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

Magnetic Contactor 25A [See Buy Click Amazon]
DP MCB 20A [See Buy Click Amazon]
Float Switch Water Level Controller [See Buy Click Amazon]
Single Phase Motor (1 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 Float Switch wiring diagram for Water Pump:

01. 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.

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. Float Switch:

A Float Switch is a type of Level Sensor Device Used to Detect the level of liquid within a tank. The Switch May be Used to Control a Pump, as an Alarm, as an Indicator, or to Control Other Devices. 1 type of Float Switch Uses a Mercury Switch Inside a Hinged float. Another common type is a Float Switch That Raises a rod to Actuate a Microswitch. One Pattern Uses a reed Switch Mounted in a Tube Float, Containing a Magnet, Surrounding the Tube, and Guided by it.

04. Single Phase Motor:

A Single-Phase Motor is an Electrically-Powered Rotary Machine That Can Turn Electric Energy into Mechanical Energy. It Works by Using a Single-Phase Power Supply. Single-phase Motors Are Used in Equipment And Machines That Are Smaller in Size And Require Lower Horsepower. This Includes Equipment Such As Refrigerators, Pumps, Compressors, Fans, and Portable Drills. Single-phase motors Have a Similar Construction to The 3-phase Motor, Including an AC Winding That is Placed on The Stator And Short-Circuited Conductors That are Placed in a Cylindrical Rotor.

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Frequently asked questions

What is the float switch setting?

The float switch of the settings is the vertical distance from a common point of reference on the tank's outside top to the set screw on the collar of individual float switches. They are used to control alarms and pump operations.

Which float switch is best?

They are the gold standard pump switch technology and the most reliable of the options listed above. Electronic float switches would have piggyback plugs that you plug into the wall outlet. You then plug the motor into the back of the switch plug.

What is the voltage of a float switch?

100 V – 250 V depending on the type of reed contact (please refer to Page 130). The float magnet initiates a switching signal by magnetizing the contact studs of the reed contact.

What is U and V on a water pump?

U and V are the 2 sides of a switch, so EITHER could be the "load". U and V will just "switch" whatever you connect to them, whether it is a pump or a relay.

How does float work?

How did Float work? At the time of purchase, Float temporarily "reserves" the full amount on your credit card, but only charges you the first interest-free installment. The remaining installments are charged on the same day each month.

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Float Switch wiring diagram for Water Pump