Size: 12/16/19/22mm
Voltage: 3-6v 12-24v 110-240v
Material: stainless steel + plastic (high pressure resistant plastic)
?1?. What do the signals "NC" and "NO" mean?
"A" "+": the positive pole of the led
"LED" "-": negative pole of led
"NC": Normally closed
"NO": Normally open
"C": Common
?2?. How to connect?
1. Connect "NO" and "C": Unless the button is pressed, the circuit is always disconnected.
2. Connect "NC" and "C": Unless the button is pressed, the circuit is always closed.
3. Each button will have a self-configuring sealing ring