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iKey SLK-77 Backlit Rugged Keyboard
This product has reached End of Life (EOL) status and is no longer in production. Manufacturer support, updates, and spare parts may be discontinued.
All information is provided for reference only. Availability cannot be guaranteed.
Please contact us to discuss current alternatives or recommended replacement models.
Designed for industrial and mobile deployments, the iKey SLK-77 Backlit Rugged Keyboard provides a sealed, durable input solution ready for challenging environments. Its ABS polycarbonate case meets NEMA 4X protection standards, guarding against water, dust, and chemical exposure essential in manufacturing, logistics, or field conditions. The keyboard features an industrial silicone rubber overlay with tactile mechanical snap keys rated for over 10 million actuations, supporting extended continuous use. Red LED backlighting enhances key visibility in low-light operations, promoting efficient data entry under limited lighting. Compliance with MIL-STD-810 vibration and shock testing ensures reliable performance against mechanical stresses. Certified to IP standards, CE UL60950 and FCC PART 15 CLASS B, it meets stringent safety and interference requirements.
Supported by a USB interface compatible with Windows and Macintosh systems and designed to operate across a wide temperature range from -40°C to +70°C, the SLK-77 combines rugged construction with dependable functionality for demanding industrial tasks.
SLK-77 Features
- Ultra-Small Footprint Design
- Industrial Silicone Rubber Keypad
- Red LED Backlighting
- USBconfigurations 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
Red
Case Material
ABS Polycarbonate
Certifications
IP Rated, NEMA 4X, CE UL60950, FCC PART 15 CLASS B
Custom Options Products
Keyboard Layout,Keyboard Language,Cable Type,Cable Length,Interface
Dimensions
9.27" x 3.87" x 0.90" (w-h-d) 235.5mm x 98.3mm x 22.9mm
Housing Colour
Black
Humidity
100% Humidity Resistant
Cable
LENGTH: 3' straight (0.91 m) DESIGN: Single Cable USB
Compatibility
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: Greater than 10 Million Cycles TRAVEL: 0.055 in. (1.4mm) ACTUATION FORCE: 4.76 oz. +/- 1.06 oz. (135g +/- 30g) FEEDBACK: Tactile with Mechanical Snap
Lifespan
>10 Million Actuations
No. Of Keys
77
Pointing Device
No Pointer
Power
USB: 200mA@5V (from CPU port)
Product Weight
1.00 lbs +/- 0.10 lbs (0.45 kg +/- 0.05 kg)
Shock
3 x 11 ms Pulses of 50g on each of 3 Axes
Switch Force
135g (+/- 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 SLK-77 Backlit Rugged Keyboard is designed and engineered for use in demanding environments where reliability, durability are essential. The SLK-77 supports a wide range of industries and operational applications.
Common deployment industries include: Construction, Defense and Military, Energy and Utilities, Industrial Manufacturing, Logistics And Supply Chain, Marine And Offshore, Rail And Transport, Warehousing.
Across these sectors, the SLK-77 is typically used in applications such as Asset Tracking And Management, Forklift And Materials-Handling Terminals, Inventory Management And Stock Control, Mobile Workforce Operations, Preventive And Corrective Maintenance, Process Control And Shop-Floor Monitoring, Vehicle-Mounted Computing (MDTs / VMCs), Warehouse Picking And Put-Away.
These examples demonstrate the versatility of the SLK-77 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 SLK-77 is appropriate for your specific application, please contact us.
The iKey SLK-77 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 SLK-77 Backlit Rugged Keyboard, must be presented to RUGGED in the United Kingdom.
For more information about the iKey SLK-77 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 SLK-77 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 SLK-77 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-2000
- Stainless steel enclosure
- NEMA 4X and IP-rated sealing
- MIL-STD-810G shock and vibration tested
- Integrated HulaPoint pointing device

SLK-97-TP
- Sealed IP65 NEMA 4X casing
- Red LED backlighting for low-light environments
- Over 10 million key actuations
- Compatible with Windows and Macintosh systems

IK-PAN-FZG1-C1-V5
- Reinforced latching mechanism
- Sealed silicone rubber keys with backlighting
- MIL-STD-810G shock and vibration certified
- External USB 2.0 port for peripherals

DU-5K
- NEMA 4X sealed design
- MIL-STD-810G shock and vibration tested
- Industrial silicone rubber keys
- HulaPoint II pointing device

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 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 engineered to perform reliably in a variety of challenging outdoor environments. They are built with robust materials and often feature sealed designs to protect against ingress from dust, dirt, and water, which are common concerns in outdoor applications. Many models of rugged keyboards are also designed to withstand extreme temperatures, vibrations, and shocks, making them ideal for field operations, industrial settings, and other outdoor work where standard keyboards would quickly fail.
For those requiring a dependable input solution in harsh conditions, a rugged keyboard provides the necessary resilience. Rugged Limited offers a range of these durable keyboards that ensure continuous functionality, even when exposed to the unpredictable elements of an outdoor environment.
Many of Rugged Limited’s rugged keyboards are indeed designed with a high level of ingress protection, making them dust-proof. This means they are engineered to prevent the intrusion of dust and other small particles, ensuring reliable operation even in harsh or challenging environments. The sealed designs and robust materials used in these keyboards contribute to their ability to withstand exposure to dust without compromising functionality. This dust-proof characteristic is a key feature that makes a rugged keyboard an ideal choice for industries where cleanliness and environment control can be difficult.
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.
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.
Yes, rugged keyboards are designed with hygiene and durability in mind, making them remarkably easy to clean. Many models are constructed with surfaces that are sealed to prevent the ingress of liquids, dust, and contaminants. This often includes features like medical-grade silicone keypads that can be easily wiped down or even washed without damaging the internal components.
This design consideration is particularly beneficial in harsh environments or settings that require stringent cleanliness. The robust sealing means that spills, dirt, and debris can be quickly and effectively removed, helping to maintain a hygienic workspace and prolonging the life of the device. For a comprehensive selection of these durable and easy-to-maintain input solutions, explore our rugged keyboard range.
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.








