Desktop trackball KHExMV3(-MD88)

1 inch (25 mm)stainless steelwaterproof

Product overview
The KHExMV3(-MD88) is a standalone desktop explosion-proof trackball engineered for hazardous-area workstations that require a self-contained pointing device. With compact dimensions (88 x 133 x 40 mm) it sits directly on a work surface for immediate deployment without panel cutouts. The 25 mm stainless steel ball and three waterproof circular buttons deliver smooth, tactile cursor control suitable for gloved operation. Front panel rated IP65 and certified Ex ib IIC T6 Gb for safe use in explosive atmospheres.

Typical applications
Desktop operator consoles and control-room stations in petrochemical plants, oil & gas facilities, pharmaceutical production, laboratories, offshore units and other industrial environments requiring explosion protection.

Key features

• Standalone desktop form factor for quick installation
• 25 mm stainless steel trackball for durable, low-maintenance operation
• Three waterproof circular buttons: Left, Middle, Right — operable with gloves
• Front protection IP65: dust-tight and water-resistant
• Explosion-proof certification: Ex ib IIC T6 Gb
• Robust EMC and anti-interference performance for industrial installations
• USB interface with plug-and-play connectivity
• Customizable to client requirements (interfaces, button configuration)

Specifications (table)
Dimensions: 88 x 133 x 40 mm
Keys: 3 keys (Left, Middle, Right)
Front panel: Stainless steel
Ball diameter: 25 mm
Interface: USB (plug-and-play)
Voltage: Ui = 5 V DC
Current: Ii = 30 mA
OS compatibility: Windows (all versions), Vista, Linux, Unix, Mac OS X, iOS, Android
Temperature range: Storage: -40°C to +80°C; Operating: -30°C to +70°C
Protection level: IP65 (front)
Explosion-proof grade: Ex ib IIC T6 Gb
Humidity: 30–95% RH
Atmospheric pressure: 60–106 KPa
MTBF: > 50,000 H
MTTR: < 30 min
Warranty: 1-year limited warranty

Technical specifications

• Model: KHExMV3(-MD88)
• Form factor: Standalone desktop (88 x 133 x 40 mm)
• Trackball: 25 mm stainless steel ball
• Buttons: 3 waterproof circular buttons (Left, Middle, Right)
• Front panel material: Stainless steel
• Ingress protection: IP65 (front)
• Explosion-proof certification: Ex ib IIC T6 Gb
• Interface: USB (plug-and-play)
• Supply voltage: 5 V DC
• Operating current: 30 mA
• OS support: Windows, Vista, Linux, Unix, Mac OS X, iOS, Android
• Operating temperature: -30°C to +70°C; Storage temperature: -40°C to +80°C
• Relative humidity: 30–95% RH
• Atmospheric pressure: 60–106 KPa
• Reliability: MTBF > 50,000 hours; MTTR < 30 minutes
• Warranty: 1-year limited warranty