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iKey SLP-91 Panel Mount Backlit Rugged Keyboard
Designed for industrial environments, the iKey SLP-91 Panel Mount Backlit Rugged Keyboard offers a compact panel-mount design with backlit epoxy-coated silicone rubber keys for reliable data entry in low-light settings. It is well suited for gloved operators, providing tactile feedback through mechanical snap key switches with an actuation force of approximately 200g, optimising accuracy and user efficiency.
The rugged ABS polycarbonate case with NEMA 4X and IP ratings resists dust, liquids, and corrosive agents, enabling continuous use in manufacturing and material handling. The keyboard supports PS/2 or USB connectivity across Windows and Macintosh OS, powered at 5V and consuming 200mA. Tested to MIL-STD-810 vibration and shock standards, it withstands temperatures from -40°C to 70°C and humidity up to 100%, ensuring long service life over 10 million actuations. The built-in 10-key numeric pad enhances data-intensive tasks within a 91-key layout, combining industrial-grade durability and user practicality for field-ready operations.
SLP-91 Features
- 24 Function Keys
- Integrated 10-Key Numeric Pad
- Integrated LED Backlighting
- USB and PS2 Configurations Available
- Various Keyboard and Language Layout Options
- Customisation Available On Request
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Product Type
Manufacturer
Certifications & Standards
Ruggedness
IP Rating
Mounting Format
Country Of Manufacture
United States
Backlight
Red
Case Material
ABS Polycarbonate
Certifications
IP Rated, NEMA 4X UL60950, FCC Part 15 Class B
Custom Options Products
Keyboard Layout,Keyboard Language,Cable Type,Cable Length,Interface
Dimensions
11.80" x 6.79" x 0.70" (w-h-d) 299.7mm x 172.5mm x 17.8mm SCREWS: 0.75" (19.1mm) CUTOUT: 10.40" x 5.40" (w-h) 264.2mm x 137.2mm
Housing Colour
Black
Humidity
100% Humidity Resistant
Cable
LENGTH: 4 ft coiled (1.2m) DESIGN: PS/2 or USB Cable
Compatibility
PS/2 KEYBOARD: All Windows Operating Systems USB KEYBOARD: All Windows and Macintosh OS
Flammability
PRINTED CIRCUIT BOARD: 94 VO SILICONE OVERLAY: 94HB INTERFACE CABLE: 94 VO
Function Keys
24 Keys
Key Feedback
Tactile with Mechanical Snap
Key Material
Epoxy
Key Switch
MATERIAL: Epoxy-Coated Industrial Silicone Rubber LIFE: Greater than 10 Million Cycles TRAVEL: 0.055 in. (1.4mm) ACTUATION FORCE: 7.03 oz. +/- 0.70 oz. (200g +/- 20g) FEEDBACK: Tactile with Mechanical Snap
Lifespan
>10 Million Actuations
No. Of Keys
91
Pointing Device
No Pointer
Power
PS/2: KEYBOARD: 200mA@5V (from Keyboard port) USB: 200mA@5V (from CPU port)
Product Weight
1.75 lbs (0.80 kg)
Shock
3 x 11 ms Pulses of 50g on each of 3 Axes
Switch Force
200g (+/- 20g)
Switch / Key Travel
0.055 in (1.4mm)
Vibration
POWER SPECTRAL DENSITY: 0.04g/Hz FREQUENCY RANGE: 20Hz - 2 kHz DURATION OF TEST PER AXIS: 3 hours
Shock
3 x 11 ms Pulses of 50g on each of 3 Axes
Temperature Rating
STORAGE: -40C to +90C (-40F to +194F) OPERATING: -40C to +70C (-40F to +158F)
The iKey SLP-91 Panel Mount Backlit Rugged Keyboard is designed and engineered for use in demanding environments where reliability, durability are essential. The SLP-91 supports a wide range of industries and operational applications.
Common deployment industries include: Construction, Defence And Military, Energy and Utilities, Industrial Manufacturing, Logistics And Supply Chain, Marine And Offshore, Oil and Gas, Warehousing.
Across these sectors, the SLP-91 is typically used in applications such as Forklift And Materials-Handling Terminals, Industrial HMI And Machine Interfacing, Inventory Management And Stock Control, Process Control And Shop-Floor Monitoring, Warehouse Picking And Put-Away, Yard, Dock, And Gatehouse Management.
These examples demonstrate the versatility of the SLP-91 across both industry sectors and real-world operational use cases. Its suitability extends well beyond the scenarios listed above, making it a flexible solution for a broad range of requirements.
For further information, or to assess whether the SLP-91 is appropriate for your specific application, please contact us.
The iKey SLP-91 Panel Mount Backlit Rugged Keyboard comes with a 3 Years Manufacturers Limited Warranty + Option To Extend against defects in workmanship and materials, effective from the date of shipment (unless otherwise agreed in writing).
To receive service under this warranty, the eligible product, iKey SLP-91 Panel Mount Backlit Rugged Keyboard, must be presented to RUGGED in the United Kingdom.
For more information about the iKey SLP-91 Panel Mount Backlit Rugged Keyboard or to arrange repairs and services not covered by the warranty, please visit the warranty section on our website.
Do you need further details about the iKey SLP-91 Panel Mount Backlit Rugged Keyboard, or would you like to discuss a customised solution or demonstration?
At RUGGED, we recognise that every project has its own unique demands. If you have any questions about the iKey SLP-91 or need a custom Rugged Keyboard solution designed specifically for you, our team of technical experts are ready to assist you.
Alternative Products
Explore alternative products offering comparable features, performance, and build quality to the model you are currently viewing.
Our related solutions provide variations in configuration, functionality, and form factor to suit different application requirements. Each option has been selected to meet the same high standards of reliability and performance.
Browse the related products below to identify the most suitable fit for your deployment.
PM-88
- NEMA 4X sealed construction
- MIL-STD-810 vibration and shock resistant
- Over 10 million keystroke lifespan
- Compatible with PS/2 and USB interfaces

SK-101
- NEMA 4X dust and water resistance
- MIL-STD-810G shock and vibration tested
- Over 10 million silicone key actuations
- Operating temperature from -40°C to +70°C

SBW-97-TP
- Sealed silicone overlay for water and dust resistance
- Wireless 802.11G connection via USB dongle
- Rechargeable battery with two-week life
- Meets MIL-STD shock and vibration standards

SLK-101-FL
- Sealed industrial silicone keypad
- Backlit keys for low-light usability
- IP and NEMA 4X ingress protection
- MIL-STD-810 shock and vibration rated

Having trouble finding what you're looking for?
Selecting the correct solution for your specific application and operating environment requires careful consideration.
At Rugged, our engineering and product specialists can advise on specifications, environmental suitability, mounting requirements, connectivity, and lifecycle planning to ensure the right fit for your deployment.
With extensive industry experience and a focus on reliability and performance, we help you select a solution aligned with your operational requirements.
Frequently Asked Questions
RUGGED offers free technical support for the lifetime of products you purchase. This includes help with setup, troubleshooting, and integration. Support is available online or directly from the technical team
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Our rugged keyboards feature robust casings, often manufactured from stainless steel or aluminum, and incorporate sealed keypads to prevent ingress of contaminants. Many models also include features like adjustable backlighting for use in varying light conditions, and some are night vision compatible, which is crucial for covert operations. The design prioritises reliability and consistent performance, ensuring that critical data entry functions remain operational when they are needed most.
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Rugged Limited offers a range of keyboards specifically engineered to withstand harsh environments, and a key feature for many of these is their dust-proof design. Our Rugged Keyboards are built to IP (Ingress Protection) standards, which indicate their level of resistance to solids like dust.
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Rugged Limited’s rugged keyboard range is engineered from high-quality, durable materials designed to withstand harsh operating conditions. These materials commonly include silicone, which offers excellent resistance to liquids and dust, making them easy to clean and sanitise. Many models also feature stainless steel for their casings or keycaps, providing superior strength against impacts and corrosion, ideal for industrial or public use.
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