The Seimitsu PS-15 Keikou Yellow pushbutton is a premium low-profile snap-in button designed for arcade cabinet builders and fightstick modders working with space constraints. As the original manufacturer of short-throw pushbuttons, Seimitsu engineered the PS-15 with uniform pressure distribution that feels remarkably similar to mechanical keyboard switches.

Technical Specifications

• Button diameter: 30mm (1.181")
• Overall diameter: 34.5mm (1.358")
• Installation depth: 21mm (0.83")
• Panel thickness compatibility: 1.2mm to 3mm
• Connection type: .110" quick disconnect terminals
• Mounting style: Snap-in installation
• Plunger: Solid Keikou Yellow with slight convex profile
• Rim: Solid construction

Microswitch Details

• Model: Tokai MM9-3 microswitch
• Operating force: 100 ± 30g
• Actuation distance: 2.5 ± 0.3mm
• Bounce time: Less than 10ms
• Mechanical endurance: Over 2,000,000 cycles

Perfect For

• Arcade1Up cabinet modifications
• MAME cabinet builds with thin control panels
• Fightstick construction and repairs
• Tight-space arcade installations
• Players seeking mechanical switch-like responsiveness

Why Choose the PS-15

The PS-15's short-throw design delivers exceptional tactile feedback with minimal travel distance. Its compact 21mm installation depth makes it ideal for thin control panels where standard buttons won't fit. The snap-in mounting system ensures quick, secure installation without additional hardware.