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Description: This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated red LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions. Overall length (including leads) is 1.5" and has small solder lugs for connection. These latched buttons are rated up to 3A and 250VAC while the LED is rated for 5V.

Features:

  • Stainless Steel Body
  • IP65 Weatherproof Rating
  • Tamper Resistant
  • Latching Operation Type
  • Red LED Ring

Documents:

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Customer Comments

  • The features describe the operation as having two NO contacts and two NC contacts: 1NO1NC/2NO2NC. However, in the comments section of the momentary red switch, RobertC.’s description implies there is only one circuit when he says of the pins

    three are for the switch and two are for the LED

    which is what I would have assumed without any description. I know these things are really simple but a wiring diagram or just a better picture of the pins' labels would clear this up.

    • Although it’s hard to see in the picture, the legs are labeled on the gray plastic housing- the outer two are + and - for the LED ring, and the inner three are C1, NO1, and NC1

  • Hope this is helpful: (1) the holes at the end of the terminals are very small. Its a 3A switch but even 22AWG hook-up wire won’t fit w/out cutting a few strands (24AWG fit ok). (2) Led works directly from 24Vdc (has built in res). (3) As mentioned, center button is very small for a switch this size (to make room for the LED ring I suppose). Overall a high quality, good looking latching switch for the money if you don’t have high current needs.

  • Does this have an internal pull-up resistor?

  • I just bought one of these, and I must admit I was disappointed for two reasons:

    The part you press is smaller than all but my pinky finger, so pushing it in far enough to latch is difficult.
    
    The circuit is completed BEFORE it passes the latching point, so if it fails to latch (most of the time, for me), then it acts like a momentary switch.
    

    I was going to use this to turn on power to a device, but it is completely unacceptable for this purpose, sending brief pulses of power to my device when it fails to latch.

  • What is the difference between latching buttons and momentary buttons?

    • What Kamiquasi said. Also think “click on / click off” like a ballpoint pen.

    • Momentary: Makes a connection when pressed, breaks it when you let go.
      Latching: Makes a connection when pressed, remains in that state when you let go. To break the connection, press it again.
      ( Swap out “make” and “break” for the NC/normally closed pins, which for the latching version may additionally require you to let go of it again depending on actual construction. )

  • From the datasheet it appears as if you have a 3D Model of this switch ready to go but I was unable to find it on the GitHub repo of models. If possible I’d like to get access to the model for my project.

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