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RUGGED RKB-D321-TB-KP-FN Industrial Rugged Keyboard
The RUGGED RKB-D321-TB-KP-FN Industrial Rugged Keyboard is designed for demanding industrial and field environments where durability and resistance to contaminants are essential. This membrane keyboard features an IP65-rated sealed design that resists dust, liquids, and harsh chemicals, supported by a corrosion-resistant stainless steel frontplate and a 3.0mm aluminium backing plate for strength. It incorporates a sealed washable trackball offering an 800 DPI resolution to maintain precise pointing even in enclosed, dusty conditions. The low-travel tactile key switches deliver durability with over three million actuations, suitable for continuous-duty applications. Certified to IEC 61000 electromagnetic compatibility standards, it withstands industrial electromagnetic interference, ensuring reliable operation.
With an operating temperature range from -20°C to +60°C, this keyboard is suited to temperature-hardened industrial workplaces. It supports all common operating systems including Windows, Linux, and Mac OSX, powered via a 5V DC supply at 120mA. The RKB-D321-TB-KP-FN offers a field-ready input solution that combines robust construction with advanced usability features for industrial control systems and rugged computing stations.
RKB-D321-TB-KP-FN Features
- Industrial Membrane Keyboard
- Rugged Construction
- Can Be Customised / Modified
- Various Keyboard and Language Layout Options
- Customisation Available On Request
Request a Quote
Product Type
Manufacturer
Ruggedness
IP Rating
Mounting Format
Country Of Manufacture
China
Case Material
Membrane
Certifications
RoHS, CE and FCC, ESD
Custom Options Products
Keyboard Layout,Keyboard Language,Cable Type,Cable Length,Interface
Dimensions
321.0mm x 139.0mm (Front Panel)
Housing Colour
Stainless Steel
Humidity
90% Humidity Resistant
Ball Material
stainless steel
Compatibility
All windows, Linux, Unit, Mac OSX
EMC
Compliance with the council IEC 61000-4-2:2008?IEC 61000-4-3:2006+AI:2007+A2:2010?IEC 61000-4-4:2004
EMI
EN 55022: 2010
EMS
EN 55024:2010
Frontplate Material
1.5mm Thickness Super Quality Brushed Stainless Steel
Key Material
Membrane
Key Spacing
11.0mm x 11.0mm
Key Switch
Gold-on-Gold key Switch Technology
Lifespan
> 3 Million Actuations
Material (Bottom Plate)
3.0mm Thickness Brushed & Oxidized Aluminium
MTBF
>50000H
MTTR
<30min
No. Of Keys
108
Operating Force
1.0N
Pointing Device
Trackball
Power
+5V DC +/-5% appr. 120mA
Product Weight
0.8KGs
Resolution
+400 DPI
Supply Current
appr. 20mA
Supply Voltage
+5V DC +/-5%
Switch / Key Travel
0.45mm
Trackball Diameter
38.0mm
Length
139.0mm
Operating Temperature
Operating temperature:-20C to +60C
Storage Temperature
Storage temperature: -30C to +70C
Temperature Rating
STORAGE: OPERATING: 20C to +50C;
Width
321.0mm
The RUGGED RKB-D321-TB-KP-FN Industrial Rugged Keyboard is designed and engineered for use in demanding environments where reliability, durability are essential. The RKB-D321-TB-KP-FN 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, Natural Resources and Mining, Oil and Gas.
Across these sectors, the RKB-D321-TB-KP-FN is typically used in applications such as Health, Safety, And Compliance Inspections, Industrial HMI And Machine Interfacing, Inventory Management And Stock Control, Preventive And Corrective Maintenance, Process Control And Shop-Floor Monitoring, Quality Control And Inspection, Secure Access, Authentication, And Control Terminals, Warehouse Picking And Put-Away.
These examples demonstrate the versatility of the RKB-D321-TB-KP-FN 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 RKB-D321-TB-KP-FN is appropriate for your specific application, please contact us.
The RUGGED RKB-D321-TB-KP-FN Industrial Rugged Keyboard comes with a 1 Year 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, RUGGED RKB-D321-TB-KP-FN Industrial Rugged Keyboard, must be presented to RUGGED in the United Kingdom.
For more information about the RUGGED RKB-D321-TB-KP-FN Industrial 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 RUGGED RKB-D321-TB-KP-FN Industrial Rugged Keyboard, or would you like to discuss a customised solution?
At RUGGED, we recognise that every project has its own unique demands. If you have any questions about the RUGGED RKB-D321-TB-KP-FN or need a custom Industrial 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.
RKB-D224
- IP65-sealed design for washdown cleaning
- Gold-on-gold key switch technology for durability
- Corrosion-resistant aluminium backing plate
- Over 50,000 hours MTBF for extended use

RKB-B255-TP-BT
- IP65 sealed stainless steel construction
- Gold-on-gold tactile key switches
- Integrated ruggedised touchpad
- Certified to IEC 61000 and EN 55022/24 standards

RKB-M368-OTB-FN-DT
- IP68 water and dust sealed housing
- Carbon-on-gold switch technology for longevity
- Impact-resistant washable optical trackball
- Certified for industrial EMC and EMI compliance

RKB-A272-DWP
- IP67 ingress protection
- Stainless steel with aluminium back plate
- Carbon-on-gold precision key switches
- Vandal-proof and washable design

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 provides a range of rugged keyboards specifically engineered to meet the demanding requirements of military applications. These keyboards are designed to withstand extreme temperatures, vibrations, shocks, and exposure to dust and liquids, making them ideal for deployment in challenging operational environments.
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.
Furthermore, the durability of a rugged keyboard from Rugged Limited ensures a longer product lifespan and reduced maintenance, offering a cost-effective solution for military organisations seeking dependable input devices.
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-grade solutions engineered for extreme conditions, and a
Rugged Keyboard
is built with longevity in mind. Keyboards from Rugged Limited are designed to withstand challenging environments, including exposure to dust, dirt, liquids, and extreme temperatures, which significantly contributes to their extended operational life compared to standard consumer keyboards. Many models feature high ingress protection (IP) ratings, indicating their resistance to environmental factors. For example, some keyboards come with IP65 or even IP67 ratings, signifying protection against dust ingress and submersion in water up to 1 meter for 30 minutes, respectively.
These robust construction methods and high-quality materials mean that a
Rugged Keyboard
is a reliable investment, reducing the need for frequent replacements and minimising downtime in critical operations. To explore the full range and specifications of our durable input solutions, you can visit our rugged keyboards page.
Rugged Limited understands the importance of durability in demanding environments, which is why our rugged keyboards are often built with chemical resistance in mind. This feature is crucial for industries where keyboards are regularly exposed to harsh cleaning agents, disinfectants, or other industrial fluids.
Our rugged keyboards are frequently constructed from materials and with designs that prevent the ingress of liquids and corrosive substances, ensuring continued functionality and longevity. This chemical resistance contributes to the overall robustness and reliability of the keyboard, making it suitable for sectors such as healthcare, manufacturing, and food processing, where hygiene and exposure to various chemicals are common.
The ability of a rugged keyboard to withstand such exposure means less downtime for cleaning and maintenance, and a longer operational lifespan, providing excellent value for our customers.
Rugged Limited’s rugged keyboards are engineered with long lifecycle availability as a core consideration, making them a reliable choice for industrial and challenging settings. This focus on longevity means that the keyboards are built to withstand continuous use and harsh conditions, reducing the need for frequent replacements.
The design principles behind these rugged keyboards prioritise durability and sustained performance. By utilising robust materials and manufacturing processes, Rugged Limited ensures that their keyboards offer extended operational lifespans, providing consistent functionality over many years of service. This commitment to long-term availability is a significant advantage for businesses seeking dependable input solutions.
While the primary design focus for a rugged keyboard is to withstand extreme conditions and provide reliable functionality in challenging environments, some models do incorporate ergonomic considerations. These can include features like appropriately spaced keys to reduce typing strain or a comfortable angle for prolonged use.
However, it’s important to note that a rugged keyboard prioritises resistance to factors such as dust, water, vibrations, and extreme temperatures. Therefore, while basic ergonomic elements may be present to ensure user comfort during operation, they generally won’t offer the same advanced ergonomic designs found in specialised office keyboards. This balance ensures the rugged keyboard performs reliably in demanding settings.
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.
Rugged Limited specialises in providing industrial-grade input devices built to withstand challenging conditions, including very cold and very hot temperatures. These devices are engineered with robust materials and design principles to ensure consistent performance where standard keyboards would fail.
A key feature of a rugged keyboard is its ability to function across a broad temperature range. This resilience makes them ideal for use in industrial settings, outdoor applications, or any environment where temperature fluctuations are common. Rugged Limited ensures that each rugged keyboard meets stringent durability standards, providing dependable operation no matter the thermal extremes.









