Grayhill | 88BB2-072

Series 88 Flange Mounted 4x4 Sealed Matrix Keyboard with Graphic Overlay (-172)

Features:

• Sealed Keyboard
• Colorful Graphic Overlay
• Audible, Snap-Dome Contact
• User Legendable Styles
• 3,000,000 Operations per Button
• Optional Panel Seal Gasket to Protect Your Equipment

Specifications:

• Rating at 24 Vdc: 10 milliamps, resistive
• Contact Resistance: Compatible with MOS, TTL and DTL (10 ohms maximum)
• Voltage Breakdown: 250 Vac between mutually insulated parts
• Life Expectancy: 3,000,000 operations per button
• Contact Bounce: Less than 4 milliseconds at make, 10 milliseconds at break
• Temperature: -40°C to +80°C
• Button Travel: 0.015"(0,38 mm) nominal total travel
• Typical Operating Force: 350 grams
• Housing: ABS polycarbonate, black
• Graphic Overlay: Polyester
• Contact Dome: Stainless steel, selectively goldplated
• Terminals: Phosphor bronze

*Colorful graphic overlays are polyester with a tough acrylic bond to provide maximum protection against dirt and moisture. Second surface printed, the overlay wipes clean and continues to look bright and bold throughout the keyboard life. See Datasheet for details.

Seals are available, See Accessories.