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Amplifier with PRL Gate | Image
3 year warranty

Amplifier with PRL Gate | Image
Amplifier with PRL Gate - Wiring Diagram Image


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The 0-51879-1 is a Reliance PGAB Gate Amplifier Board



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  • Part Number: 0-51879-1
  • SKU: 0518791RE
  • Manufacturer: Reliance Electric
  • Series: Drive Boards

Product Description

0-51879-1--PGAB Gate Amplifier Circuit Board

The 0-51879-1 is a circuit board component fabricated for use within various drives by Reliance Electric.  Due to various mergers and changes, the board you are replacing may have been manufactured by Reliance Electric, Baldor-Reliance, or by ABB, also known as Asea Brown Boveri.   The part number is the same.

The 0-51879-1 is a PGAB Gate Amplifier board.   The PCB is fronted by a silver-colored faceplate with four (female) plug connectors located one above each other along its right edge.   These plugs are labeled C10 through C13. The front panel also includes the board number. The faceplate connects to the main circuit board via three screws.

The 0-51879-1 is populated by six transformers mounted in frames.  A bipolar transistor is located to one side of each transformer and is attached via a surface wired connection.   Other components on the board surface include diodes, disk capacitors, carbon composite resistors, and capacitors of other materials.  One large aluminum electrolytic capacitor uses a zip tie to connect it to the board for extra support. The back edge of the board is designed as a protruding tail.  This tail is populated by multiple conductive tabs. It acts as a backplane connector for the board. The board’s surface is marked in a grid pattern. One of the grid’s axes is marked by numbers and the other is marked by letters.  Components are not marked by reference designators. If more information about components is needed, please refer to publications originally distributed by Reliance, such as manuals, user guides, and data sheets. These publications will also provide information on installation procedures.  

Reviews For 0-51879-1

Internal Review

This 0-51879-1 product offering, manufactured by Reliance Electric, utilizes several manufacturer-standardized and unique hardware component inclusions to achieve its functional status as an Amplifier Board with a PRL Gate. This 0-51879-1 printed circuit board or PCB for short features several capacitors and resistors affixed to its base circuit board in a secure if somewhat-uncommon zip tie fashion. - AX Control Lead Technician

  • O-51879-1

Repair Services For 0-51879-1

Type Lead Time Price Action
Repair Service 1-2 weeks $310

Our highly skilled technicians can repair your 0-51879-1. 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