16-key keypad KH-AE81-16

panel-mountstainless steelUSB

Overview
The KH-AE81-16 is a compact, anti-vandal stainless steel keypad designed for reliable input in public and industrial environments. Laser-engraved legends, sealed construction and a 4x4 16-key layout provide durable operation and clear readability in space-constrained panels.

Applications
Ideal for access control systems, industrial control panels, secure payment terminals, public kiosks and any installation requiring a small, rugged numeric or function keypad.

Key features

• 16-key layout (4x4) with laser-engraved characters
• Stainless steel front panel with anti-vandal design
• Waterproof and sealed for harsh environments
• Multiple interface options: matrix pin, USB, PS/2, others
• Compact footprint (81 x 81 mm) for space-limited installations
• Customizable layouts available

Technical specifications

• Model: KH-AE81-16
• Brand: CNKHTECH
• Dimensions: 81 x 81 mm
• Keys: 16 (4x4)
• Key travel: 0.5 mm
• Front panel material: Stainless steel
• Power supply: 5.0V DC ±5%
• Interface: Matrix pin, USB, PS/2 or others
• Operating temperature: -20°C to +60°C; Storage: -25°C to +70°C
• Humidity: 20–95% RH; Atmospheric pressure: 60–106 KPa
• MTBF: > 50,000 hours; MTTR < 30 minutes
• Lifespan: > ~5 years

Certifications & warranty
CE, RoHS and FCC compliant. 1-year limited warranty. Technical support and customization available on request.