91-SL-USB – Rugged Keyboard with Epoxy-coated Keys

Small Footprint NEMA Sealed keyboard with Epoxy-coated keys

  • Environmentally Sealed to NEMA 4, 4X / IP65 specifications
  • Backlighting / Illumination
  • ABS-Polycarbonate Sealed Plastic Case
  • Small Foot Print Design
  • 91 Epoxy-Coated Keys, 24 Function Keys, 10-Key Numeric Pad
  • Greater than 10 Million cycles expected life
  • USB connector

$395.00 USD

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The Stealth Computer 91-SL keyboard model has been designed for rugged applications in manufacturing, material handling and remote data entry when a small-footprint keyboard will come in handy. Featuring epoxy-coated keys that are arranged for convenient gloved-hand use, also featuring backlit illuminated keys. The NEMA 4X-rated 91-SL offers a large amount of functionality in an ultra-small package, measuring in at only 11.4″ x 6.3″ x 1.9″ (289.6mm x 160mm x 48.3mm) in size.

Industrial Approvals

NEMA 4, 4X / IP65 UL 60950, CE, FCC Class B

Key Switch

Material: Epoxy-Coated Industrial Silicone Rubber
Life: Greater than 10 million cycles
Travel: 0.055" (1.4mm)
Actuation Force: 200g (+/- 30g) / 7.05oz (+/- 1.06oz)
Feedback: Tactile with mechanical snap


Keyboard: 200mA@5V (from CPU Port)

Temperature Range

Operating: -40C to +70C (-40F to +158F)
Storage: -40C to +90C (-40F to +194F)


100% (when properly installed)


3×11 ms pulses of 50g on each of 3 axes


Power Special Density: 0.04g/Hz, Frequency Range: 20Hz-2kHz, Duration of Test per Axis: 3 hours

Backlighting / Illumination

Red LEDs (On/Off)


(W-H-D) 11.4" x 6.3" x 1.9" (289.6mm x 160mm x 48.3mm)


Length: 4 feet (1.2 meters)
Design: Single Cable USB


Compatible with all Windows Operating Systems

Additional Options

Custom cable lengths, special connectors, custom enclosures etc
Other Languages Available – Contact us for more details, Minimum quantities may apply.


1 Year limited Warranty Standard

Model Numbers

91-SL-USB (USB Interface)


Note: Specifications are subject to change without notice.


91-SL-USB 188 downloads

Keyboard Layout & Mounting Drawing ...