Honeywell 2MLR-AC13-CC Redundant Power Supply Module

The Honeywell 2MLR-AC13-CC is an industrial-grade Redundant Power Supply Module designed to provide uninterrupted and stable power to critical control system components. As part of Honeywell’s high-reliability MLR Series, this module is specifically engineered for use in safety systems, distributed control systems (DCS), and industrial automation platforms where continuous operation is essential.

With built-in redundancy capabilities, the 2MLR-AC13-CC ensures that power supply faults or failures do not impact system uptime. It features automatic switchover, input protection, and real-time status diagnostics. This module is particularly suited for mission-critical environments such as oil and gas, power generation, and chemical processing, where power reliability directly impacts safety and productivity.

Product Specifications

Product Applications

The 2MLR-AC13-CC module is widely used in industries requiring high system availability, uninterruptible power, and system integrity assurance. Typical applications include:

• Distributed Control Systems (DCS) – Powers core I/O and controller backplanes.

• Emergency Shutdown (ESD) Systems – Maintains continuous power to safety relays and solenoids.

• Fire and Gas Systems – Ensures uninterrupted operation of detection and alert mechanisms.

• Turbine Control Systems – Provides reliable power for turbine protection modules.

• SCADA Systems – Supports data acquisition devices in remote and unmanned sites.

• Industrial Communication Gateways – Supplies power to redundant communication modules and routers.

Product Advantages

• True Redundancy: Supports full load sharing and seamless failover without user intervention.

• High Power Stability: Maintains constant 24 VDC output even with fluctuating AC inputs.

• Auto Diagnostic Monitoring: Onboard LED indicators for fast status recognition and troubleshooting.

• Failsafe Operation: Relay fault reporting provides early warning for maintenance scheduling.

• Long MTBF: Engineered with robust components for long lifecycle and reduced field failures.

• System Integration: Designed to fit seamlessly within Honeywell’s control architecture.

• Universal Input: Accepts global power standards for international compatibility.

FAQ

1. Does the 2MLR-AC13-CC support hot-swapping in live systems?

   No, this module does not support hot-swapping. Power must be turned off before installation or replacement.

2. Can two 2MLR-AC13-CC modules operate in load-sharing mode?

   Yes, two modules can be installed in parallel for active load sharing with redundancy.

3. What is the protection level for input overvoltage?

   The module includes internal surge protection and shuts down above 265 VAC.

4. Does it feature reverse polarity protection on the output?

   Yes, it includes reverse polarity protection to prevent damage from incorrect wiring.

5. How is module fault status communicated to the control system?

   Faults are indicated via a relay contact output and front-panel LED indicators.

6. Is it compatible with third-party control platforms?

   Yes, as long as the power requirements match, it can be used in non-Honeywell systems.

7. Can the module withstand temporary inrush currents during system start-up?

   Yes, it is designed to handle short-term peak loads without tripping.

8. What type of fuse protection is provided inside the module?

   It includes internal electronic fuses and current-limiting protection circuits.

9. How does the module indicate that it is in a fault state?

   A red fault LED is illuminated and the relay output switches to alert the system.

10. Is external cooling required for the 2MLR-AC13-CC module?

    No, the unit is convection-cooled and does not require additional cooling fans.