ABB 500PSM02 1MRB150015R1 | Power Supply Module for ABB 500 Series Control Systems

Technical Specifications

Important technical note: Current web listings disagree substantially on the electrical specifications of this legacy module. One source describes it as a 24 VDC input supply, while another claims 100–240 VAC input and 24 VDC output. These specifications should not be treated as confirmed engineering data without the original ABB documentation or the nameplate of the installed unit.

Product Introduction

The ABB 500PSM02 1MRB150015R1 is a legacy ABB power supply module associated with the 500-series control hardware family. The module is identified in ABB-related system documentation alongside other 500-series components such as the 500CPU, 500BIM, 500BIO, 500TRM, and 500SCM modules.

500PSM03

The ABB 500PSM02 provides the power required by the electronic circuitry within its associated control-system architecture. In a legacy rack, a power-supply failure can affect multiple processor, communication, and I/O functions simultaneously, so symptoms may appear across several modules rather than being isolated to the power-supply module itself.

The ABB 1MRB150015R1 designation is the key procurement identifier, while AD-272.100.20-01 AZ:C provides additional physical identification. These markings should be recorded together when sourcing a replacement because similar ABB 500-series modules can have different electrical functions and hardware revisions.

The 500PSM02 1MRB150015R1 should therefore be treated as a system-specific legacy component rather than a generic 24 VDC industrial power supply. ABB’s current indexed documentation confirms the existence and identification of this exact combination, but readily available secondary sources provide conflicting electrical specifications.

Main Features & Field Considerations

Legacy ABB system integration
The module belongs to an older ABB hardware ecosystem. Replacement should be based on the complete part number and existing system architecture.

Power distribution role
A failed power module can cause processor resets, I/O communication loss, rack faults, or apparently unrelated module alarms. Measure system supply conditions before replacing downstream modules.

Exact identification matters
Confirm all markings:

• 500PSM02
• 1MRB150015R1
• AD-272.100.20-01
• AZ:C

Do not assume electrical specifications from online listings
The available secondary sources disagree about input voltage, output voltage, current, and even functional classification.

Before installation, verify:

• Actual nameplate voltage
• Rack/backplane configuration
• Input wiring
• Output rails
• Fuse arrangement
• Connector pinout
• Hardware revision
• System documentation

Typical Applications

The ABB 500PSM02 is encountered in legacy ABB control and protection installations, particularly systems incorporating ABB 500-series modules. ABB’s indexed material lists the part alongside Procontrol-related components and other 500-series hardware.

Potential system environments include:

• Industrial process control
• Power-system control
• Turbine and plant control
• Legacy protection and automation cabinets
• ABB Procontrol-based installations

Procurement Note

For ABB 500PSM02 1MRB150015R1 AD-272.100.20-01 AZ:C, I would not publish a hard electrical specification such as “24 VDC input / 5 A output” without first verifying the physical nameplate or ABB manual. The exact part is well identified in ABB-related documentation, but the currently indexed commercial sources contain contradictory technical data.

For a plant replacement, match the full 1MRB150015R1 + AD-272.100.20-01 + AZ:C identification, then verify the actual electrical interface against the installed system before energization.