Sanwa OBSN-24 Screw In Arcade Button

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The Sanwa OBSN-24 is a 24mm screw-in style arcade button with built in microswitch, which has 2.8mm terminals. The Sanwa OBSN-24 button is mainly used as a start/select button for arcade machines or fight sticks. The OBSN-24 are manufactured by Sanwa Denshi company in Japan. The OBSN-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 under 7mm thick.

Available in a choice of colours:
OBSN-24 Colours:
Blue - Green - Orange - Red - 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
    No more wobble

    Posted by Harmony Lunar on 3rd Apr 2020

    Perfect press feel to Sanwa buttons. Screws in solid and no more wobble on a slightly over cut holes.

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