Sanwa Denshi · OBSF Series

OBSF-30-B

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OBSF-30 Blue 30mm Snap-in

Sanwa Denshi OBSF Series Introduced circa 2003

Sanwa OBSF-30 blue arcade button.

Common Applications

Dark blue (dark hai) is the most popular single color for fight stick builds. Clean look, matches most artwork.

Specifications

Actuation Force
65g
Color
Blue
Diameter
30mm
Mechanical Life
5,000,000 cycles
Microswitch Type
Built-in
Mounting Type
Snap-in
Travel Distance
0.85mm

Installation Quick Reference

Mounting: Snap-in buttons push into a 30mm hole from the top of the panel. Screw-in buttons thread from below and secure with a nut. Use 2-3mm acrylic, wood, or metal panel.

Wiring: Connect the microswitch terminals to your encoder or PCB. Common ground shared across all buttons. Quick-disconnect (0.110") terminals are standard on Japanese buttons.

Dimensions

Troubleshooting

Not responding to input

Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.

Where to Buy

Price range

$23.83 — $39.35

across 2 distributors

Quick Specs

Actuation Force
65g
Color
Blue
Diameter
30mm
Mechanical Life
5,000,000 cycles
Microswitch Type
Built-in

What People Are Saying

+

“Sanwa Denshi OBSF-30-B — solid choice for custom builds. 65g actuation.”

Reddit r/fightsticks 20 upvotes View thread →