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iKey SL-81-OEM Compact Rugged Keyboard
Designed for industrial and mobile environments, the iKey SL-81-OEM Compact Rugged Keyboard offers a reliable input solution for confined spaces where durability is essential. Its compact form factor simplifies integration within tight enclosures, while a reinforced silicone keypad meets NEMA 4X standards to resist dust, liquids, and corrosive atmospheres. The keyboard supports continuous-duty use and includes backlighting for visibility in low-light conditions common in manufacturing, transportation, and oil and gas sectors. Certified to UL60950 and FCC Part 15 Class B, it ensures electrical safety and emissions compliance. Mechanical resilience is verified by MIL-STD testing for vibration and shock, surviving multiple high-impact pulses without loss of function.
Operating temperature ranges from -40°C to 70°C accommodate demanding outdoor and industrial settings. The tactile key feedback and 10 million cycle lifespan of the silicone keys underline its suitability for extended deployment, backed by a 10-foot cable with PS/2 or USB interface compatibility across Windows and Macintosh systems. This keyboard balances compact design with robust performance for field-ready applications.
SL-81-OEM Features
- Integrated LED Backlighting
- 81-Key Functionality + 12 Function Keys
- Numlock Key For Secondary Keyboard
- USB, PS2 and AT/Serial Configurations Available
- Various Keyboard and Language Layout Options
- Customisation Available On Request
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Product Type
Manufacturer
Ruggedness
IP Rating
Mounting Format
Country Of Manufacture
United States
Backlight
No Backlight
Case Material
No Case
Certifications
IP Rated, NEMA 4X UL60950, FCC Part 15 Class B
Custom Options Products
Keyboard Layout,Keyboard Language,Cable Type,Cable Length,Interface
Dimensions
11.35" x 5.11" x 0.42" (w-h-d) 288.3mm x 129.8mm x 10.7mm
Housing Colour
Black
Humidity
100% Humidity Resistant (when properly installed)
Cable
LENGTH: 10 feet (3 meters) DESIGN: "Y" PS/2 or AT
Compatibility
PS/2: All Windows Operating Systems USB: All Windows and Macintosh OS
Flammability
PRINTED CIRCUIT BOARD: 94 VO SILICONE OVERLAY: 94HB INTERFACE CABLE: 94 VO
Function Keys
10 Keys
Key Feedback
Tactile with Mechanical Snap
Key Material
Industrial Silicone Rubber
Key Switch
MATERIAL: Industrial silicone rubber LIFE: 10 million cycles TRAVEL: 0.055 ACTUATION FORCE: 180g (+/- 30g) FEEDBACK: Tactile with mechanical snap
Lifespan
>10 Million Actuations
Mounting Type
VESA Mount or Desktop
No. Of Keys
81
Pointing Device
No Pointer
Power
KEYBOARD: 200mA @ 5V (from keyboard port) USB: 200mA @ 5V (from CPU port)
Product Weight
1.5 lbs (0.68 kg)
Shock
3 x 11 ms Pulses of 50g on each of 3 Axes
Switch Force
(180g +/- 30g)
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 SL-81-OEM Compact Rugged Keyboard is designed and engineered for use in demanding environments where reliability, durability are essential. The SL-81-OEM supports a wide range of industries and operational applications.
Common deployment industries include: Construction, Defence And Military, Energy and Utilities, Industrial Manufacturing, Marine And Offshore, Natural Resources and Mining, Oil and Gas, Transportation.
Across these sectors, the SL-81-OEM is typically used in applications such as Construction Site Supervision And Reporting, Fleet Management And Telematics, Industrial HMI And Machine Interfacing, Mobile Workforce Operations, Process Control And Shop-Floor Monitoring, SCADA And Control-Room Access, Secure Access, Authentication, And Control Terminals, Vehicle-Mounted Computing (MDTs / VMCs).
These examples demonstrate the versatility of the SL-81-OEM 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 SL-81-OEM is appropriate for your specific application, please contact us.
The iKey SL-81-OEM Compact Rugged Keyboard comes with a 90 Day Limited Warranty 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 SL-81-OEM Compact Rugged Keyboard, must be presented to RUGGED in the United Kingdom.
For more information about the iKey SL-81-OEM Compact 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 SL-81-OEM Compact 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 SL-81-OEM 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.
TMLT-870-OEM
- Sealed NEMA 4X dust and humidity protection
- Over 10 million key actuations
- MIL-STD-461E EMI resistance
- Compact front panel mounting with threaded bolts

PM-5K-MEM-TP
- Sealed membrane design with PVC-protected touchpad
- Stainless steel corrosion-resistant housing
- NEMA 4X and MIL-STD-810G certified durability
- Continuous-duty 24/7 industrial operation

RDC-1000
- Sealed steel construction with epoxy coating
- Silicone rubber keys rated for 10 million actuations
- NEMA 12 dust and humidity protection
- Shock and vibration resistant for industrial use

IK-SAM-AT
- Snap-on secure attachment
- IP54 dust and water resistance
- MIL-STD-810G shock and vibration certified
- Configurable backlighting options

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
An Ingress Protection (IP) rating is a critical standard for rugged keyboards, specifying the degree of protection provided against dust, dirt, and water. This two-digit code is internationally recognised and helps users understand how well a device can withstand environmental factors.
The first digit in an IP rating signifies protection against solid objects, ranging from 0 (no protection) to 6 (dust-tight). A higher number here means greater resistance to particles entering the device.
The second digit indicates protection against liquids, ranging from 0 (no protection) to 9 (withstanding high-pressure, high-temperature jet sprays). This is particularly important for a rugged keyboard that might be exposed to spills, rain, or even submersion. Rugged Limited offers a range of peripherals engineered to meet these demanding standards.
Rugged keyboards are an excellent choice for vehicle integration due to their robust construction and ability to withstand challenging conditions. These keyboards are engineered to operate reliably in environments subject to constant vibration, extreme temperatures, and exposure to dust and liquids, which are common occurrences in vehicles.
For instance, one such rugged keyboard solution features a compact design, making it suitable for dashboards or other space-constrained areas within a vehicle. It includes a fully sealed IP67 trackball for precise cursor control and is equipped with an integrated red backlight, ensuring readability in low-light conditions often experienced in vehicle cabins. Additionally, its 2.5m USB cable provides flexible connectivity options for various vehicle setups.
The durability of a rugged keyboard ensures consistent performance, whether it’s used in emergency services, logistics, or field operations, where reliability is paramount.
Rugged Limited understands the importance of customisation and efficiency in demanding environments, which is why several of their rugged keyboard models are designed with programmable keys. This feature allows users to assign specific functions, macros, or shortcuts to individual keys, tailoring the keyboard to their unique operational needs and workflows. The flexibility offered by a
rugged keyboard
with programmable keys can significantly enhance productivity and ease of use in various industrial, public service, and specialized applications where rapid and precise input is critical. This commitment to adaptable and robust input solutions ensures that professionals can achieve optimal performance even in challenging conditions.
Rugged Limited’s range of industrial keyboards are rigorously tested and certified to meet the demands of challenging environments. Our rugged keyboards are designed to withstand conditions that would compromise standard peripherals.
Key certifications and ratings for our keyboards include:
- IP Ratings: Our keyboards often feature high Ingress Protection (IP) ratings, such as IP65, IP67, and IP68. These ratings indicate resistance to dust, dirt, and liquids, making them suitable for washdown areas and environments prone to spills.
- IK Ratings: Many models also possess IK ratings, signifying their resistance to external mechanical impacts. An IK rating ensures the keyboard can endure significant physical stress without functional impairment.
- ATEX Certification: For hazardous environments where explosive atmospheres may be present, selected rugged keyboard models are ATEX certified. This certification confirms compliance with essential health and safety requirements relating to explosive atmospheres, ensuring safe operation in such critical zones.
These certifications collectively ensure that a Rugged Limited rugged keyboard delivers reliable performance and longevity, even in the most demanding industrial, marine, and outdoor settings.
Rugged keyboards are engineered for environments where standard keyboards would quickly fail. Unlike typical office keyboards, a rugged keyboard offers enhanced durability and protection against elements such as dust, dirt, liquids, and extreme temperatures. They feature robust construction, often incorporating sealed casings and industrial-grade components to ensure reliable performance in demanding conditions.
Key differences include:
- Durability: Rugged keyboards are designed to endure significant impact, vibration, and continuous use in challenging settings.
- Environmental Protection: They typically boast high Ingress Protection (IP) ratings, indicating resistance to water and dust—essential for industrial, marine, or outdoor applications.
- Material and Build: Constructed from rugged materials like stainless steel or silicone, they offer longevity that standard plastic keyboards cannot match.
- Functionality: Many rugged keyboards include features such as integrated pointing devices (e.g., trackballs or touchpads), backlighting for low-light conditions, and specialised key layouts for specific industrial tasks.
Rugged Limited provides a range of rugged keyboard solutions tailored for various harsh environments, ensuring sustained operation where standard peripherals would falter.
Choosing a rugged keyboard over a consumer keyboard is essential in environments where standard equipment simply won’t withstand the conditions. Rugged keyboards are specifically engineered to endure extreme temperatures, dust, dirt, liquids, and vibrations, which are common challenges in industrial, medical, and military settings.
Unlike consumer keyboards, which are designed for typical office use, a rugged keyboard features robust construction, often incorporating sealed components and durable materials like stainless steel or silicone. This enhanced build quality prevents ingress of contaminants and protects internal electronics, ensuring reliable performance and a significantly longer lifespan.
Furthermore, Rugged Limited’s range of rugged keyboards are built for reliability in the harshest conditions, minimising downtime and maintenance costs often associated with frequent replacement of less durable alternatives.
Rugged keyboards are indeed typically more expensive than standard consumer-grade keyboards. This price difference stems from several key factors related to their construction and intended use. Unlike standard keyboards, a rugged keyboard is engineered to withstand harsh environments and demanding conditions, meaning they are built with higher-grade materials and often feature specialised sealing against dust, liquids, and extreme temperatures.
For instance, many rugged keyboards incorporate features like silicone membranes, stainless steel casings, or industrial-grade plastics to ensure longevity and consistent performance where a regular keyboard would quickly fail. The design and manufacturing processes for these durable peripherals are more intricate, involving rigorous testing to meet stringent industrial and military standards. This commitment to resilience and reliability contributes significantly to the overall cost, making a rugged keyboard a worthwhile investment for operational continuity in challenging settings.
A rugged keyboard is specifically engineered for resilience, offering superior protection against elements like dust, dirt, liquids, and extreme temperatures. These keyboards are built with robust materials and construction techniques to ensure reliable performance in industrial, military, and outdoor settings where standard peripherals would fail.
Rugged Limited provides a range of rugged keyboards that are not only tough but also deliver consistent functionality when it matters most. They are an essential component for maintaining operational efficiency in challenging work conditions, ensuring data input remains uninterrupted and accurate.
Explore our selection of rugged keyboards designed for ultimate durability and performance.










