I'm trying to figure out how to make the following momentary switch behave as follows:

  • The switch is normally open
  • When pushed down, it closes; when you release it, it goes back to being open (I assume there's a spring inside of it?)
  • When closed, it sends an output signal out of 1+ of its pins, and it also illuminates the LED inside of it

According to the wiring:


It looks like I want to connect this switch to a circuit using Pins 3 and 4 (for being open at rest) as well as hooking pins X1 and X2 up to a circuit to turn the LED on when closed.

I'm wondering what this wiring would actually look like. Say we start with the switch at rest (so, open). Now I push the switch down, closing it:

enter image description here

What is happening to all 4 pins (3, 4, X1 and X2) when I close the switch and what do I wire these pins to? For instance:

  1. When closed, does either X1 or X2 need to be connected to ground (GND)? Let's say I wire X2 to GND, what does the other one wire to, 6VDC power (VCC)?
  2. When closed, what specifically is happening to both Pins 3 and 4? Does Pin 4 need to be connected to the 6VDC power, and Pin 3 will emit a signal when the circuit is closed? Or is it vice versa, or something else entirely?

Thanks in advance!

  • 1
    \$\begingroup\$ exact P/N? >...............? \$\endgroup\$ – Sunnyskyguy EE75 Oct 10 '17 at 0:53
  • \$\begingroup\$ @TonyStewart.EEsince'75 (+1) sorry not following your question... \$\endgroup\$ – smeeb Oct 10 '17 at 1:08
  • 2
    \$\begingroup\$ As I read the description and datasheets for A22NZ-BNM-TWA, that is the push-button actuator only, without any switch contact blocks or lamp sockets. You would have to order Normally-Open or Normally-Closed switch blocks and a lamp socket separately. \$\endgroup\$ – Peter Bennett Oct 10 '17 at 1:12
  • \$\begingroup\$ My question was what is your exact P/n? A22NZ-BNM-TWA ?? \$\endgroup\$ – Sunnyskyguy EE75 Oct 10 '17 at 1:18
  • \$\begingroup\$ Ahh, didn'tknow what "p/n" was, according to that link, the Manufacturer Part Number is A22NZ-BNM-TWA. \$\endgroup\$ – smeeb Oct 10 '17 at 1:21


simulate this circuit – Schematic created using CircuitLab


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