OBSC-30
ActiveOBSC-30 Clear Snap-in Arcade Button (30mm)
30mm clear snap-in arcade push button from Sanwa Denshi. Same mechanism as the OBSF-30 with a transparent plunger and rim, ideal for LED-lit setups and custom art inserts.
Common Applications
Used in custom fightsticks and arcade cabinets with LED lighting or custom artwork beneath the buttons. Shares the same light 65g actuation as the OBSF-30. Drop-in compatible with standard 30mm snap-in mounts.
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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Clear
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Contact Configuration
Normally Open — circuit is off until you press. Standard for start/go/enable functions.
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NO (normally open)
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Diameter
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30mm
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Material
The bezel/body material. Metal bezels are more durable in harsh environments. Plastic is lighter and cheaper.
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Polycarbonate (clear)
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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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Panel thickness
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1-5mm
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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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Specs with this icon are linked to the manufacturer's original source page
Compatible Alternatives
These products are functionally equivalent cross-references from other manufacturers.
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
Wiring Diagram
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
Quick Specs
- Actuation Force
- 65g
- Color
- Clear
- Contact Configuration
- NO (normally open)
- Diameter
- 30mm
- Material
- Polycarbonate (clear)
What People Are Saying
“Sanwa Denshi OBSC-30 is solid for both casual and competitive play. The feel is consistent across the product line which is what matters for muscle memory.”
Learn More
Data Sources
Specifications and product data sourced from the following references.
OBSC-30 Page
https://www.amazon.com/Sanwa-OBSC-30-Clear-Arcade-Buttons/dp/B00KX6ONTK
Accessed April 04, 2026
