Overview

The Honeywell MC-PSRX04 (Part No. 51404174-275) is a high-performance redundant power supply module engineered for use in Honeywell’s process control systems. Despite occasional mislabeling as a burner controller, its true function is to deliver stable and uninterrupted power to critical components such as I/O modules, controllers, and communication interfaces.

Moreover, its wide input voltage range (85–264 VAC) and robust 24 VDC / 16 A output make it suitable for global deployment across diverse industrial environments. The module is housed in a rugged enclosure and certified under CE, UL508, CSA, and TUV standards, ensuring compliance with international safety and reliability requirements.

Typically installed in Honeywell’s Universal Control Network (UCN) or Experion systems, the MC-PSRX04 provides power redundancy essential for maintaining uptime and preventing costly process interruptions.

Technical Data

Typical Applications

• Process Control Systems: Supplies redundant power to controllers and I/O modules in Honeywell Experion and TDC 3000 systems.

• Industrial Automation Panels: Ensures uninterrupted power for PLCs, HMIs, and communication gateways.

• Safety-Critical Systems: Used where power loss could lead to hazardous conditions or costly downtime.

• Global Manufacturing Plants: Supports wide input voltage for international use in chemical, oil & gas, and pharmaceutical facilities.

• Retrofit Projects: Ideal for upgrading legacy systems with modern redundancy features without redesigning the entire control setup.

For instance, in a refinery control room, this module ensures that critical control hardware remains powered even if one AC source fails—therefore, it plays a vital role in maintaining operational continuity and safety.

FAQ

Q: Is this module a burner controller?
A: No, it is a redundant power supply module. Burner control functions are handled by separate Honeywell devices such as the RM7800 series.

Q: What systems is it compatible with?
A: It integrates seamlessly with Honeywell Experion and TDC 3000 platforms, among others.

Q: Can it operate in harsh environments?
A: Yes, it is designed for industrial use and certified to meet global safety and reliability standards.

Q: What happens if one power source fails?
A: The module automatically switches to the backup source, maintaining uninterrupted 24 VDC output.

Q: Is it hot-swappable?
A: Installation and replacement should follow Honeywell’s official system guidelines; hot-swap capability depends on the specific system configuration.