Introduction
In this circuit, float switch is used to control the relay for
the operation of a motor when the tank is filled. This circuit is used for the
control of water pumps to stop pump when the tank is filled.
Circuit Diagram
Explanation
In this circuit, float switch is used to operate a pump. When
the water level of the tank is low then the float switch activates
automatically and turn ON the control relay and a red light.
When the tank is completely filled with water, the float switch operates and turn OFF the motor and a red light and turn on the amber pilot light to indicate that the pump is in OFF position.
When the tank is completely filled with water, the float switch operates and turn OFF the motor and a red light and turn on the amber pilot light to indicate that the pump is in OFF position.