Description
The Next Evolution in High-Voltage Motor Control
Master Controller AT31 builds upon the proven reliability of the AT30, delivering lighter weight, extended durability, and the same robust 380V/440V AC motor control capabilities. Designed for ports, mining, railways, and heavy construction, this advanced joystick offers easier handling without compromising performance.
About the AT31 Master Controller
The AT31 master controller from Trunsin is built for industrial machinery and HMI control panels where operators need dependable, repeatable control. Master controller. Trunsin has supplied industrial joysticks, grips, and control interfaces since 1990, and every AT31 build can be tailored through our online configurator or engineering review.
AT31 Master controller. master controller.
The AT31 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 AT31, Trunsin engineers help align handle style, axis layout, output signal, environmental sealing, and mounting with your machine architecture. That makes the AT31 suitable for OEM new-build programs as well as aftermarket replacement projects where downtime must stay low.
Typical configuration areas for the AT31 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.
Typical applications
- Industrial HMI panels and machinery control pods
- Mobile equipment cabins with limited panel space
- Marine and offshore machinery operator stations
- Simulator and training console integrations
- Multi-axis machinery that needs coordinated axis control
- Custom machine builds requiring configurable control layouts
Typical specifications
- Operating temperature: -20°C to 60°C
- Handle force: <50N
- Mechanical life: 5 M
- Protection rating: IP65
Production follows in-house machining, assembly, and acceptance testing so each AT31 leaves the factory with traceable quality records. If you need drawings, duty-cycle guidance, or signal interface recommendations for the AT31, contact sales@trunsin.com or request a configuration sheet with your target quantity.
Why source the AT31 from Trunsin
- Factory-direct customization for handle, axis, output, and sealing options
- Experience across AWP, crane, marine, mining, and mobile machinery programs
- Configuration sheets and engineering support for OEM and aftermarket teams
- Consistent quality from vertically integrated machining and assembly
Related Trunsin models
Ready to specify the AT31? Configure this model online, browse the full product range, or email Trunsin for a quote.










