Investment 5pcs 16mm 1NO LED Lighting Plastic Push Button Switch With Lamp Momentary High Head Pin 4 Terminals 3A/250V-in Switches from Lights & Lighting on AliExpress offer
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Contact Configuration:1NO(Normally Open)
Contact Material:Nickel Plated Brass
LED Lamp Voltage:3V
LED Emitting Colour:Red/Blue/Green/Yellow/White
Terminal Type:Pin ( 4 Terminals )
Operation Temperature:-25°C ~ +55°C
Quantity:5pcs ( 1pcs Blue+1pcs White+1pcs Green+1pcs Yellow+1pcs Red )
There are a total of 4 terminals , among them are two LED lamp terminals respectivly marked with
"+" and " −" signs . In fact, the standard LED terminals have no difference of anode and cathode .
The other two are Normally Open (NO) , Common (C) . The LED lamp and switch are relatively
independent and there are several different wiring methods for you to refer to.
Method 1 : Whether the device works or not , the LED lamp will stay on as soon as the power is turned on .
Method 2 :The LED lamp and the device are in sync.