Metal Push Button Switch Waterproof LED 12/16/19/22mm Light Momentary Self-locking Automatic Reset Power Symbol Button with

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.

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

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

Note: the connector needs to be purchased separately

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).
Product parameters
Head type: round head
Housing material: metal
Operation type: Momentary self-reset/fixed self-locking
Emitting color: red / yellow / blue / green / white
Opening size: 12mm/16mm/19mm/22mm