Metal Button Switch 12/16/19/22mm Car Engine Power Switch 3V 5v 12v 24v 220v LDE Light Momentary Self-locking Waterproof Button

Difference between auto-recovery button and auto-lock button:

1. Self-recovery button: press this button to turn on the power (light on);

Release your hand, the power will appear and turn off automatically (the light goes out)

2. Self-locking button: press the power button, release your hand, and keep the button stationary (lit);

Press the button again to display and turn off the power (the light goes out).

Note: the connector needs to be purchased separately

Very important: Because of the virus,the Economic shipping is slow,If you need buttons hurry,please choose Alistandard shipping

1.What does the signal “NC” and “NO” means?

“A” “+”: positive pole of the led “LED” ” – “: negative pole of the led ” NC “: Normal Close ” NO “: Normal Open ” C ” : Common

2.How to connect?

1.Connect ” NO ” and ” C ” : The circuit is alway open unless press the button. 2.Connect ” NC ” and ” C ” : The circuit is alway close unless press the button.

12mm wiring diagram

Press the switch, the load is energized, and the LED lights at the same time. Press the switch again, the button is reset, the load is powered off, and the LED goes out.

Turn on the power, the LED lights, press the switch, and the load is energized. Press the switch again, the button is reset, and the load is powered off. Turn off the power and the LED goes out.

Press the switch, the load is energized, and the LED turns off Press the switch again, the button is reset, the load is powered off, and the LED lights at the same time.

Press the switch, the load is powered off, and the LED turns off at the same time. Press the switch again, the button is reset, the load is energized, and the LED lights at the same time.

Turn on the power and the LED lights up. Press the switch, the load is powered off. Press the switch again, the button is reset, and the load is energized. Turn off the power and the LED goes out.