Sanwa OBSF-24 Snap In Arcade Button

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The Sanwa OBSF-24 is a 24mm snap-in style arcade button with built in microswitch, which has 2.8mm terminals. The Sanwa OBSF-24 button is mainly used as a start/select button for arcade machines or fight sticks. The OBSF-24 are manufactured by Sanwa Denshi company in Japan. The OBSF-24 buttons are also suitable for use in a hitbox or for various commercial or academic projects. This button can be mounted in a control panel of any material provided it is around 2 - 4mm thick.

Available in a choice of colours:
OBSF-24 Colours:
Black - Blue - Dark Blue - Green - Orange - Red - Royal Blue - Violet - White - Yellow

Wiring Info: 
This button requires 2.8mm crimped wires for connection.
1 wire for ground connection (CO) and 1 wire for signal connection (NO)
Pre-crimped 2.8mm wires and 2.8mm daisy chain ground harness can be ordered here:
1 Metre Long Crimped Wires
Daisy Chain Harness




  • 5
    Works flawlessly!

    Posted by Arvid on 8th Apr 2021

    I bought these buttons to use as the main buttons for a homemade hitbox and they work flawlessly so far! Very pleased with my purchase!

  • 5
    Genuine Sanwa

    Posted by Andrei on 11th Aug 2020

    Great product

  • 5
    Fine :=)

    Posted by KroeboCop on 24th May 2020

    Just what I needed :=)

  • 4
    Good but...

    Posted by KroeboCop on 24th May 2020

    Didn't like this for USFIV, but was good for my other arcade games.

  • 5
    Perfect Just Like The Other Sanwa Snap in's

    Posted by Harmony Lunar on 3rd Apr 2020

    Perfect 24 snap in Sanwa buttons for start and select. Feels top quality and the best press feel as expected by Sanwa.

  • 5
    Sanwa OBSF-24 - For Arcade stick

    Posted by Robin on 17th Feb 2020

    Great quality buttons with a proven track record from one of Japans leading suppliers.

  • 5
    perfect and definitely superior to Hori Hayabusa

    Posted by Armin on 29th Jan 2020

    it was a replacement for my RAP 4's Hori Hayabusa.Sanwa quality shows and unmatched by cheap Hori hayabusa buttons.Sanwa has a much nicer feel,is more resposive and more accurate.

  • 5
    Don’t hesitate

    Posted by Andy on 29th Apr 2019

    Brilliant buttons. Instant response and hard wearing.
    Sanwa. Mutts nuts

    Service from arcade world is superb too

  • 5
    Sanwa buttons

    Posted by Damien Simpson on 17th Apr 2019

    Sanwa buttons are as good as it gets and real easy to install .

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