SEW-EURODRIVE 24V Auxiliary Power Supply MLU11A

Description

The SEW-EURODRIVE MLU11A is a reliable 24V auxiliary power supply unit designed for use with legacy SEW drive systems, such as the MOVITRAC and MOVIDRIVE series. This module ensures a continuous 24V DC supply to the inverter's control electronics, which is essential for maintaining communication, diagnostic capabilities, and parameter settings, even when the main drive power is off. It is a vital component for applications requiring high availability and quick recovery times.

Specifications

• Manufacturer: SEW-EURODRIVE
• Type: Auxiliary Power Supply
• Model: MLU11A
• Part Number: 8225842
• Output Voltage: 24V DC

Label Info

• 24V-Versorgung MLU11A
• Sach.Nr.: 8225842

Application

This power supply is specifically designed as an accessory for older SEW-EURODRIVE frequency inverters and servo drives to provide backup or primary power to their control boards.

Country of Origin

Germany

CO2 Impact

By purchasing this reused MLU11A, you are helping to avoid approximately 8.0 kg of CO2 emissions associated with the production of a new unit. This saving is comparable to the emissions from charging a smartphone over 960 times.

Availability

This is an obsolete item, but it is in stock and available for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

What is the primary function of the MLU11A power supply?

The MLU11A provides a stable 24V DC supply to the control electronics of SEW-EURODRIVE inverters. This allows the control unit to remain powered for diagnostics, parameter setting, or bus communication even when the main 3-phase power to the drive is switched off.

No, the MLU11A is an obsolete component designed for older generations of SEW drives. Modern series like MOVIDRIVE B or the MOVIAXIS multi-axis servo system use different, often integrated, 24V supply solutions or specific power supply modules like the MCH4_B series.

The MLU11A is typically mounted on a DIN rail or directly onto the side of the frequency inverter it supports. It connects to the inverter's designated 24V input terminals. The specific wiring configuration depends on the inverter model and is detailed in the corresponding SEW system manual.

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Friday, March 13, 2026