Push Button Latching Relay Circuit

Ask question asked 2 years 7 months ago.

Push button latching relay circuit.

To use this latching relay circuit just press the button connected to relay 1 and the load will stay on even if the button is released. The relay only draws current when it is being switched. I ve been trying to design a latching relay driver circuit with using a push button switch. When we press push button relay should be on it means we use normally open type push button because when we press this switch supply goes forward.

Simple soft power latching circuit for a microcontroller. This circuit has one over on the stock kill switch pushbutton because it keeps the ignition permanently disabled so if the engine is unintentionally cranked via another means it cannot start. When the push to make button is pressed 12v goes across the coil energising the relay. These two step we see in following picture relay latching circuit using push button.

I found promising looking one button two relay circuit. Active 2 years 6 months ago. Push on connectors will do for the power relay but the latching relay is. An external reset switch interrupts power to the relay which turns it off.

Step 2 when supply comes to relay coil relay should be on. Here relay is 24 v dc operated. An electrically latched relay is a standard relay with one of its own contacts wired into its coil circuit. Per relay datasheet observe coil polarity.

There are two kinds of latching relays. This circuit allows an spst momentary pushbutton to act as a push on push off switch using a dpdt latching bi stable relay. Single push button relay with reset. Basically when the circuit is powered on first press in push button switch make the relay set then the second press will make the relay reset state.

In this video i will show you how to make touch on touch off switch with relay on off switch latching relay the correct schematic diagram of this circuit htt. I ve searched online and find this normal relay driving solution. An external switch initially turns the relay on then it is kept on by its own contact. At other times the only current drain on the 12v supply is the leakage current of one 22µf capacitor which is very low.