FAQs
Why Choose AT21?
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Proven resilience in extreme conditions
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Unmatched modularity for tailored setups
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Future-proof with bus-system compatibility
Heavy-Duty Joystick AT21: Metal industrial joystick for Ex areas. UV/oil/saltwater-proof, modular (12-unit), hollow-stalk design. Custom notches, contacts & bus integration.
Why Choose AT21?
Proven resilience in extreme conditions
Unmatched modularity for tailored setups
Future-proof with bus-system compatibility
Heavy-Duty Joystick AT21 is an ultra-robust control solution built for extreme conditions. Featuring an aluminum die-cast console and metal gear mechanism, it withstands ozone, UV radiation, oils, and maritime climates, making it ideal for Ex areas and heavy industrial use.
The AT21 heavy-duty joystick from Trunsin is built for industrial machinery and mobile equipment where operators need dependable, repeatable control. Heavy-duty industrial construction. Trunsin has supplied industrial joysticks, grips, and control interfaces since 1990, and every AT21 build can be tailored through our online configurator or engineering review.
AT21 Heavy-duty joystick. heavy-duty applications.
The AT21 belongs to the Trunsin AT product line, giving OEM and aftermarket teams access to shared engineering practices, proven sealing strategies, and configurable handle and axis options across the range.
When you specify the AT21, Trunsin engineers help align handle style, axis layout, output signal, environmental sealing, and mounting with your machine architecture. That makes the AT21 suitable for OEM new-build programs as well as aftermarket replacement projects where downtime must stay low.
Typical configuration areas for the AT21 include Palm Grip, Gate, Movement, Contact Group, Axis 1 Interface. Use the online configurator or send your machine requirements to Trunsin for a reviewed build sheet.
Production follows in-house machining, assembly, and acceptance testing so each AT21 leaves the factory with traceable quality records. If you need drawings, duty-cycle guidance, or signal interface recommendations for the AT21, contact sales@trunsin.com or request a configuration sheet with your target quantity.
Ready to specify the AT21? Configure this model online, browse the full product range, or email Trunsin for a quote.
Offshore/maritime controls
Oil & gas (Ex-rated environments)
Heavy machinery (cranes, mining, ports)
Automated industrial systems
✔ Rugged Construction
Aluminum/metal alloy housing for maximum durability
Resistant to UV, oil, saltwater, and harsh chemicals
✔ Modular Flexibility
Single or compound drive configurations
Supports up to 12 units (2 switch contacts each) in X/Y/Z-axis or series
Customizable notches & cam disks (standard or programmable)
✔ Precision Control
Hollow handle stalk (8mm/12mm) for cable routing and handle variants
Optional silver or gold contacts for enhanced conductivity
Rotational movement support with multiple handle options
✔ Smart Integration
Flange-mount for potentiometers/encoders
Compatible with bus systems (custom PCBs available)
Custom rosettes: Transparent plastic (labeled) or engraved aluminum
Mechanical Life: 6M+ cycles
