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iKey SL-88-461 Military Grade Rugged Keyboard
The iKey SL-88-461 Military Grade Rugged Keyboard is built around MIL-STD-461E electromagnetic compliance, supporting deployment on military platforms such as surface ships, submarines, and aircraft. Its robust ABS polycarbonate housing is sealed to NEMA 4X standards, protecting against dust and moisture for continuous-duty use in harsh, electrically noisy environments. The keyboard features industrial silicone rubber keys with tactile mechanical feedback rated for over 10 million actuations, providing reliable, tactile input during extended field use. Integrated mounting holes enable secure installation on vehicles or equipment, ensuring shock-resistant operation that meets MIL-STD-810G shock and vibration standards.
Operating effectively from -20°C to +60°C and withstanding 100% humidity, it interfaces via USB or PS/2 for compatibility with a wide range of military computing systems. This model combines industrial-grade durability and electromagnetic shielding to maintain stable input performance in demanding, vibration-prone, and EMI-heavy conditions.
SL-88-461 Features
- 10-Year Lifespan
- Designed To Meet MIL-STD-461E
- Green Backlit Keys
- 88 Key Functionality
- 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
NEMA 4X UL60950, FCC Part 15 Class B
Custom Options Products
Keyboard Layout,Keyboard Language,Cable Type,Cable Length,Interface
Dimensions
11.40" x 6.30" x 1.86" (w-h-d) 285.8mm x 158.8mm x 45.7mm
Housing Colour
Black
Humidity
100% Humidity Resistant
Cable
LENGTH: 4 ft coiled (1.2m)
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
12 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 in. (1.4mm) ACTUATION FORCE: 7.05 oz +/- 1.06 oz (200g +/- 30g) FEEDBACK: Tactile with mechanical snap
Lifespan
>10 Million Actuations
No. Of Keys
88
Pointing Device
No Pointer
Power
PS2: 200mA@5V (from Keyboard port) USB: 200mA@5V (from CPU port)
Product Weight
2 lbs +/- 0.10 lbs (0.91 kg +/- 0.05kg)
Shock
3 x 11 ms Pulses of 50g on each of 3 Axes
Switch Force
200g (+/- 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: -20C to +60C (-4F to +140F)
The iKey SL-88-461 Military Grade Rugged Keyboard is designed and engineered for use in demanding environments where reliability, durability are essential. The SL-88-461 supports a wide range of industries and operational applications.
Common deployment industries include: Aerospace, Defence And Military, Emergency Services, Energy and Utilities, Industrial Manufacturing, Marine And Offshore.
Across these sectors, the SL-88-461 is typically used in applications such as Aircraft Cockpit And Avionics Support Systems, Industrial HMI And Machine Interfacing, Marine Bridge And Vessel Control Systems, Military Vehicle-Mounted Computing (MDTs / VMCs), Process Control And Shop-Floor Monitoring, SCADA And Control-Room Access, Secure Communications And Command-And-Control.
These examples demonstrate the versatility of the SL-88-461 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-88-461 is appropriate for your specific application, please contact us.
The iKey SL-88-461 Military Grade 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 SL-88-461 Military Grade Rugged Keyboard, must be presented to RUGGED in the United Kingdom.
For more information about the iKey SL-88-461 Military Grade 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-88-461 Military Grade 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-88-461 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.
DT-102-SS-XXX-AT0
- ATEX Zone 0 certified
- IP65 sealed design
- Industrial-grade stainless steel
- MIL-STD-810H shock and vibration resistant

DU-5K-FSR-IS
- Intrinsically safe certification for hazardous zones
- NEMA 4X sealed ABS polycarbonate housing
- Force Sensing Resistor pointing device
- Shock and vibration tested for field use

SL-88-461-OEM
- MIL-STD-461E electromagnetic interference resilience
- NEMA 4X water and dust ingress protection
- Tactile mechanical snap keys over 10 million actuations
- Red LED backlit keys for low-light visibility

BT-80
- IP65 dust and moisture sealed
- MIL-STD-810G shock and vibration resistant
- Bluetooth wireless with quick pairing
- Rechargeable battery with power management

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
Rugged Limited offers a range of rugged keyboards that are specifically engineered for panel mounting. These keyboards are designed for seamless integration into various industrial and commercial control panels, kiosks, and other equipment where a durable and reliable input solution is essential.
Our panel mount rugged keyboards are built to withstand challenging environments, often featuring robust stainless steel construction, sealed keypads for protection against dust and liquids, and vandal-resistant designs. This ensures consistent performance and longevity, even in demanding operational settings.
When selecting a rugged keyboard for panel mounting, it’s important to consider factors such as the required IP rating, key layout, and connectivity options to ensure it meets the specific needs of your application.
Rugged Limited specialises in providing industrial peripherals built to withstand harsh conditions, including marine settings. Our rugged keyboards are engineered with features like IP (Ingress Protection) ratings, which are crucial for protecting against water and other liquids commonly found in marine applications. This ensures that the keyboard can endure exposure to moisture, salt spray, and even submersion, depending on the specific IP rating.
Furthermore, the materials used in our rugged keyboard manufacturing are selected for their durability and resistance to corrosion, which is a significant factor in saltwater environments. This robust construction guarantees reliable operation and a long lifespan, reducing downtime and maintenance in challenging marine conditions.
Rugged keyboards are engineered to perform reliably in environments where conventional keyboards simply cannot, making them essential for a wide array of rugged keyboard applications. These durable input devices are frequently found in industrial settings, such as manufacturing plants and warehouses, where they endure dust, spills, and extreme temperatures. Their robust construction also makes them ideal for marine applications, including on ships and offshore platforms, where exposure to saltwater and vibrations is common.
Beyond these, other rugged keyboard applications include use in public access kiosks, military and defence operations, and medical facilities. In these environments, features like sealed enclosures, chemical resistance, and the ability to withstand impact are crucial for continuous operation and data integrity. Rugged Limited provides keyboards specifically designed to meet these demanding requirements, ensuring seamless performance even in the most challenging conditions.
Rugged keyboards are specifically engineered to withstand various forms of abuse, including vandalism. This resistance is achieved through robust construction using materials like stainless steel or industrial-grade silicone, which can endure impacts, sharp objects, and attempts at key removal.
Features such as sealed casings protect internal components from dust, dirt, and liquids, which can often be part of vandalisation attempts. Additionally, some models incorporate reinforced keys and tamper-proof mounting options to deter and prevent damage. When looking for a durable input solution, a rugged keyboard offers significant protection against vandalism, making it ideal for public access terminals, industrial settings, and other environments where durability is paramount.
Rugged Limited provides a range of these highly durable and vandal-resistant rugged keyboards designed for long-lasting performance in challenging conditions.
All Rugged Limited industrial keyboards are engineered for seamless operation, even when wearing gloves. This crucial feature ensures that users can maintain productivity and safety in environments where glove use is mandatory, such as industrial settings, cleanrooms, or outdoor work.
Our commitment to robust design means every Rugged Keyboard offers responsive feedback and accurate input, regardless of whether you’re using thin surgical gloves or heavy-duty work gloves. This makes our solutions ideal for a wide range of applications where standard keyboards would be impractical.
Rugged Limited offers a range of durable keyboards, and while the exact level of environmental protection can vary by model, many of our rugged keyboards are engineered to withstand exposure to liquids.
These robust input devices are often designed with features to prevent water ingress, making them suitable for industries where spills, splashes, or wash-downs are common. For specific details on the waterproof ratings of a particular rugged keyboard, it’s always best to consult the individual product specifications.
Rugged keyboards are designed for durability and consistent operation in demanding conditions, and their connection types reflect this need for reliability. The primary connection type used for Rugged Limited’s range of rugged keyboards is USB.
USB connections offer several advantages for industrial and harsh environments, including broad compatibility, ease of use, and a secure physical connection that can withstand vibrations and impact. This ensures that the rugged keyboard maintains a stable link to the host system, critical for uninterrupted data entry and control in sectors such as manufacturing, logistics, and marine applications.
Rugged Limited offers a range of durable keyboards specifically engineered to meet the stringent requirements of cleanroom settings. These rugged keyboard solutions are often fully sealed and easy to clean, preventing the accumulation of dust and contaminants crucial for maintaining cleanroom protocols.
Our industrial keyboards are built with materials and designs that can withstand harsh cleaning agents and frequent sanitization without compromising performance or integrity. This makes them an ideal rugged keyboard choice for pharmaceutical, medical, and other controlled environments where hygiene and reliability are paramount.








