Float Switch Wiring Diagram for Water Pump/ How to Make Automatic On-Off Switch for Water Pump

A float switch is a mechanical switch that floats on top of a liquid surface. As the liquid level goes up or down, it moves vertically with the liquid level. This is a type of level sensor and this device is used to detect the level of liquid within a tank. And also float switch may be used to control a pump, as an indicator, an alarm, or to control other devices.
In this video, I have explained about float switch wiring connection to control a water pump.

What is a float switch?
A float switch detects the level of a liquid in a tank. Based on the water level, it will open or close an electrical circuit generally used to pump water in or out of the tank.

How to work a float switch?
A float switch moves with the liquid level up and down vertically. An internal mechanical switch opens or closes an electrical circuit with gravity. Therefore, the electrical circuit can turn on/off equipment, like a water pump.

What does a float switch do?
A float switch monitors the level of a liquid in a tank. It then opens or closes an electrical circuit based on the liquid level and wiring to control external components.

How to install a float switch?
A float switch is installed in a liquid tank. Firstly, a pre-set level is made and can be done with a counterweight. Then, based on a normally open or closed wiring configuration, it will open or close the electrical circuit based on its movement up or down with the liquid level.

How to wire a float switch?
A float switch is wired in either the normally open or normally closed position. A normally open position is open when down (low liquid level) and a normally closed position is closed when down. The open/closed position refers to the electrical circuit.

If you have any questions about float switch wiring, please comment below the video. I will answer your questions.

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