I'm creating a footprint for M140T01-AE0507A micro switch. The datasheet does not mention which symbol pins correspond to the device pins. I guess pin 1 is COM, but I don't know what the other two represent.

Can someone help me out?

  • 1
    \$\begingroup\$ From the schematic I'd guess that 3 (the middle one) is NO and 2 (the right one) is NC, but you are right the datasheet is not exactly clear. \$\endgroup\$
    – Arsenal
    Commented Jun 1, 2017 at 12:16

1 Answer 1


I would assume the following: -

enter image description here

But I would also want to check one with a meter just in case.


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