Description
Ajax U-02-1743-05 MK-A Control Module for Industrial Automation Systems
The AJAX U-02-1743-05 MK-A is a solid choice for industrial automation setups needing reliable control solutions. This module acts as the nerve center for coordinating equipment operations in manufacturing environments. We’ve seen it excel in applications like conveyor system synchronization and temperature regulation in chemical processing plants.
| Specification | Details |
|---|---|
| Brand | Ajax |
| Model Number | U-02-1743-05 |
| Submodel | MK-A |
| Module Category | Control Module |
| Input Voltage | 24 VDC |
| Output Current | 0.5 A |
| Operating Temp | -20°C to +70°C |
| Protection Rating | IP67 |
| Dimensions | 10 cm x 15 cm x 5 cm |
| Weight | 0.5 kg |
| Communication | Modbus TCP/IP via Ethernet RJ45 |
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We’ve installed these modules in automotive assembly lines where vibration resistance matters, and in food processing facilities where washdown requirements demand IP67 protection. The 8 digital inputs and 6 relay outputs handle everything from proximity sensors to motor starters. One customer in a steel mill reported “zero failures over 18 months” despite constant exposure to dust and temperature swings.


Compatible with legacy systems like Siemens S7-300 controllers and modern Allen Bradley HMIs, this module bridges technology generations. We’ve successfully integrated it with Foxboro DCS systems in power plants and ABB ACS800 drives in textile mills.
At Guizhou Yuanmiao Automation, we’ve specialized in these components since 2015. Every unit comes with 1-year warranty and full testing documentation. For urgent replacements, we maintain 120+ units in Shanghai warehouse ready for next-day dispatch. Email Yezi directly for current pricing and availability – we often have better rates than local distributors.
Most customers order this with 1743-06 communication modules or 1745 power supplies. Let us help you complete your system configuration.









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