Honeywell 2MLR-AC13 Redundant Power Supply Module

Overview

The Honeywell 2MLR-AC13 is a high-performance redundant power supply module engineered for continuous operation in demanding industrial automation systems. Designed for Honeywell’s Experion PKS and C300 controller platforms, it ensures stable, uninterrupted 24 V DC power to critical control modules and field devices. Its robust construction, active-active redundancy, and advanced protection features make it ideal for industries where reliability and uptime are paramount.

Key Features and Functional Highlights

The 2MLR-AC13 provides seamless power redundancy, allowing maintenance or replacement without system downtime. It automatically balances the load between redundant channels, improving efficiency and extending component life. Moreover, its diagnostic LEDs simplify monitoring and troubleshooting. With built-in protection against overload, overvoltage, and overtemperature, the module enhances safety and system integrity. In addition, the relay output enables remote status signaling for integration with supervisory systems.

Technical Specifications

• Model: 2MLR-AC13
• Type: Redundant Power Supply Module
• Input Voltage: 100–240 V AC (±15%), 50/60 Hz
• Output Voltage: 24 V DC (±1%)
• Output Current: Up to 20 A nominal (13 A continuous)
• Power Rating: 312 W
• Redundancy Type: Active-active redundant operation
• Protection Features: Overload, overvoltage, overtemperature protection
• Indicators: LED status for input, output, and redundancy
• Cooling Method: Natural convection
• Operating Temperature: –20°C to +60°C
• Storage Temperature: –40°C to +85°C
• Humidity Range: 5% to 95%, non-condensing
• Communication Interface: Relay contact for status signaling
• Certifications: CE, UL, CSA, RoHS compliant
• Mounting: DIN rail or panel mount
• Dimensions: 55 × 95 × 110 mm
• Weight: 1.20 lbs

Typical Applications

The Honeywell 2MLR-AC13 is widely used in process automation and safety-critical control systems. Typical applications include:

• Continuous power supply for Honeywell Experion PKS and C300 systems
• Distributed Control Systems (DCS) in oil and gas plants
• Power generation monitoring and control panels
• Chemical processing and refining operations
• Industrial automation systems requiring redundant 24 V DC power

Its proven reliability in harsh environments makes it an excellent choice for long-term system stability and operational continuity.

Support and Reliability

Honeywell’s industrial-grade design ensures long service life and minimal maintenance. The 2MLR-AC13 supports proactive diagnostics, allowing predictive maintenance scheduling and reduced unplanned downtime. Its compatibility with Honeywell service tools enables quick configuration and system integration.

FAQ

Q1: Can the 2MLR-AC13 operate as a single power supply? Yes. It can function independently, but optimal performance and redundancy are achieved in paired configurations.

Q2: What happens if one power channel fails? The module’s active-active redundancy ensures that the remaining channel instantly takes over without interruption to the load.

Q3: Is the 2MLR-AC13 compatible with non-Honeywell systems? Yes. It can provide 24 V DC regulated output to third-party automation devices when configured properly.

Q4: How is system health monitored? LED indicators and relay contacts provide real-time visual and remote diagnostics for input, output, and redundancy status.

Q5: What maintenance is required? Routine inspection for dust accumulation and connector integrity is recommended to maintain optimal performance.