OBSF-30-B
ActiveOBSF-30 Blue 30mm Snap-in
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
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Actuation Force
The force needed to press the button. Lower = more sensitive. Sanwa ~65g (light), Seimitsu ~85g (medium), Happ ~130g (heavy).
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65g
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Color
Button/actuator color. Green = start/go, Red = stop/emergency, Yellow = caution, Blue = reset (per IEC 60204-1).
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Blue
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Diameter
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30mm
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Mechanical Life
How many press cycles before mechanical failure. Higher is better — 10M cycles at 100 presses/day = 274 years.
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5,000,000 cycles
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Microswitch Type
The internal switch mechanism. Built-in = sealed unit. Cherry D44X = replaceable, clicky. Omron = quieter, longer life.
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Built-in
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Mounting Type
How the button attaches to the panel. Panel mount is standard — installs through a cutout from the front.
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Snap-in
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Travel Distance
How far the button moves when pressed. Shorter = faster response. Sanwa 0.85mm is extremely short for competitive gaming.
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0.85mm
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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.”
