Allen-Bradley MOX12/4U-P3509B 80026-173-23 Control Power Supply

The Allen-Bradley MOX12/4U-P3509B, also identified by part number 80026-173-23, serves as a high-performance control power supply. This unit specifically supports frequency converter systems and complex PLC architectures. It converts standard industrial AC inputs into a regulated 12V DC output for sensitive electronics. Because it maintains a stable voltage floor, it prevents logic errors in high-voltage environments. This module plays a critical role in sustaining operational uptime for large-scale automation drives.

Efficiency and Thermal Management

This 350W power supply features a high-efficiency design to minimize energy loss. The engineering focus reduces internal heat generation during continuous duty cycles. Consequently, the unit occupies less panel space while maintaining a cool operating profile. It also features a low output ripple to protect precision sensors and communication routers. This clean power delivery ensures that interference does not disrupt data transmission across the control network.

Performance Specifications

• Primary Part Number: MOX12/4U-P3509B
• Manufacturing ID: 80026-173-23
• Power Rating: 350 Watts
• Output Voltage: 12V DC
• Input Voltage Range: 100–240V AC
• Protection Circuits: Overload and short-circuit safeguards
• Chassis Compatibility: ControlLogix and High Voltage Converters
• Operational Origin: Made in the USA

Robust Protection for Demanding Applications

The 80026-173-23 incorporates advanced protection mechanisms to handle electrical surges and faults. These built-in safeguards immediately isolate the load if a short circuit occurs. Furthermore, the robust housing withstands the vibration and temperature fluctuations common in industrial plants. The unit functions reliably across building control, telecommunications, and heavy manufacturing sectors. This durability makes it a trustworthy foundation for any mission-critical control system.

Installation and Maintenance

The compact dimensions of 3.5x13x14.5cm allow for flexible integration into standard enclosures. Technicians can easily install the unit thanks to its clear terminal markings and accessible mounting points. While this model entered discontinued status in 2016, it remains essential for legacy system repairs. It provides a direct replacement path for aging infrastructure without requiring costly cabinet redesigns. Using genuine Allen-Bradley components ensures the continued safety and certification of your existing PLC assemblies.