Product Overview

The Allen-Bradley MOX12/4U-P3509B, identified by part number 80026-173-23, is a high-performance control power supply module designed for the ControlLogix system architecture. This unit serves as a critical power conversion interface, transforming AC input into a regulated 12V DC output to sustain automation controllers and sensitive electronic components. Engineered for the rigors of industrial environments, it provides high-efficiency power delivery with integrated circuit protection to prevent downtime caused by electrical fluctuations or thermal overloads.

Technical Characteristics

• Model Number: MOX12/4U-P3509B

• Order Number: 80026-173-23

• Manufacturer: Allen-Bradley / Rockwell Automation

• Input Voltage Range: 100V - 240V AC (Auto-ranging)

• Output Voltage: 12V DC

• Power Rating: 350W

• Enclosure Compatibility: ControlLogix Chassis / PLC Systems

• Cooling: Natural convection with optimized heat dissipation

• Protection Features: Overload protection, short-circuit recovery, and low output ripple

• Dimensions: 3.5 x 13 x 14.5 cm

• Weight: 0.9 kg

Functional Application

This power supply is primarily utilized within ControlLogix PLC racks to provide a stable energy foundation for CPU modules, I/O cards, and communication adapters. Its low-ripple output is specifically calibrated for high-speed Ethernet routers and frequency converter control circuits, where voltage stability is paramount for signal integrity. The module's compact form factor allows for high-density panel mounting, making it suitable for factory automation, building management systems, and telecommunications infrastructure. Although discontinued by the manufacturer as of June 2016, it remains a vital component for maintaining and repairing existing legacy control systems.