toggle switch schematic with relay

Posted on Feb 5, 2014

This circuit will energize and de-energize a relay at the push of a button. Any type of momentary action push-to-make switch can be used. Pushing the button once - will energize the relay. And pushing it a second time - will de-energize the relay I`ve drawn the circuit with a single pole relay. But you can use a multi-pole relay if it suits your a

toggle switch schematic with relay
Click here to download the full size of the above Circuit.

pplication. Only one half of the Cmos 4013 is used. So you could construct two independent toggle switches with a single IC. The circuit will work at anything from 5 to 15-volts. All you need do is select a relay with a coil voltage that suits your supply. The LED provides a visual indication that the relay is energized. In effect - it tells you whether the switch is on or off. It`s not necessary to the operation of the circuit. If you wish you may leave out R3 and the LED.

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