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Reliance Electric BRU-500-PSM-125 170/340 VDC Power Supply Module



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  • Part Number: BRU-500-PSM-125
  • SKU: BRU500PSM125RE
  • Manufacturer: Reliance Electric
  • Series: BRU-500 Series

BRU-500-PSM-125 Technical Specifications

Manufacturer Reliance Electric
Series BRU-500
Part Number BRU-500-PSM-125
Input Voltage 170/340 VDC
Rev D

About the BRU-500-PSM-125

Reliance Electric created the BRU-500-PSM-125 as a Power Supply for BRU-500 series drives and Electro-Craft motors. It is classified as a replacement module. There is a possibility that it was also produced by ABB and Baldor Reliance.

The BRU-500-PSM-125 has the power necessary to supply DC power directly to as many as six drive modules (servo or spindle). It is featured in the AutoMax SA-500 series.  The AC voltage going into the BRU-500-PSM-125 is 3-Phase and isolated. The output coming from the power supply is a two-wire DC bus that can be connected and daisy-chained to the drive modules. This power supply has the ability to provide its own internal diagnostics. The power module has the ability to reduce the AC inrush currents using built-in solid-state DC bus capacitors. It also can also discharge the DC bus capacitors using the built-in dissipative shunt regulators. It sometimes can double as an emergency motor dynamic brake.  

There are limited external components on the BRU-500-PSM-125. The four LED indicators are located on the center-right edge of the faceplate. They are labeled overtemp, PSM ready, phase loss, and disabled. The PSM ready LED is the only one that is green, the others are red. Slightly below the LEDs is a tiny terminal strip that has been labeled TB1. On the base of the module is a double fan assembly that works to keep the power supply’s internal components from overheating. This module has the ability to be mounted onto a flat panel-like surface.

Frequently Asked Questions about BRU-500-PSM-125

What is the function of the BRU-500-PSM-125?
The BRU-500-PSM-125 is a Power Supply Module (PSM) that can provide power to mutiple drives at one time. the BRU-500-PSM-125 can provide power to up to six drives. 
What is the output voltage of the BRU-500-PSM-125?
The BRU-500-PSM-125 has an output voltage of 120/240 VAC with a 400 Hz. 
What is the maximum power loss for the BRU-500-PSM-125?
The BRU-500-PSM-125 has a maximum power loss of 240 + a dissipative shunt. 
Can AX Control repair my BRU-500-PSM-125?
Yes, AX Control can complete board level repairs on all devices we sell. If you BRU-500-PSM-125 is not working please contact AX Control and we will repair the drive for you. 
  • BRU500PSM125-Rev A
  • BRU500PSM125-Rev B
  • BRU500PSM125-Rev C
  • BRU500PSM125-Rev D
  • BRU500PSM125-Rev E
  • BRU500PSM125-Rev F
  • BRU500PSM125-Rev G
  • BRU500PSM125-Rev H
  • BRU500PSM125-Rev I
  • BRU500PSM125-Rev J
  • BRU500PSM125-Rev K
  • BRU500PSM125-Rev L
  • BRU500PSM125-Rev M
  • BRU500PSM125-Rev N
  • BRU500PSM125-Rev O
  • BRU500PSM125-Rev P
  • BRU500PSM125-Rev Q
  • BRU500PSM125-Rev R
  • BRU500PSM125-Rev S
  • BRU500PSM125-Rev T
  • BRU500PSM125-Rev U
  • BRU500PSM125-Rev V
  • BRU500PSM125-Rev W
  • BRU500PSM125-Rev X
  • BRU500PSM125-Rev Y
  • BRU500PSM125-Rev Z

Repair Services For BRU-500-PSM-125

Type Lead Time Price Action
Repair Service 1-2 weeks $1865

Our highly skilled technicians can repair your BRU-500-PSM-125. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
Learn More

BRU-500-PSM-125 Manuals, White Papers, Data Sheets, and Troubleshooting