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  • 4.88 (16)
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    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 4.88 (16)
  • Click a star to rate this product
This 0-52850 IRFA PC Board was manufactured by Reliance Electric.



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  • Part Number: 0-52850
  • SKU: 052850RE
  • Manufacturer: Reliance Electric
  • Series: Drive Boards

About the 0-52850

0-52850 Ring Counter and Firing Card IRFA

Reliance Electric is the manufacturer for the 0-52850 IRFA printed circuit board. This board is typically marked with the Reliance Electric logo. However, your board may be marked as coming from ABB (Asea Brown Boveri) or from Baldor-Reliance, depending on the year of its manufacture.  The part number should be the same.

The 0-52850 functions as a Ring Counter and Firing Card.  The printed circuit board is connected to a narrow faceplate.  The faceplate is designed with a single push button switch located in its bottom third.  This is labeled “Test Pulse.” The faceplate also carries the component number and the Reliance logo.  It has two screws to lock the board into position within the rack system.

The surface of the 0-52850 board is printed with a grid.  This is marked on one axis with letters and on its other axis with numbers.  The bottom edge of the board is printed with the component identification number.  The board is populated with a single potentiometer, three resistor network arrays, and multiple capacitors and resistors.  Resistors tend to be made of metal film, but carbon composite resistors are used. The board uses primarily ceramic capacitors, but also has capacitors made from polyester vinyl and other materials.   The board has several TP test points, over twenty-five integrated circuits, and seven transistors. The back edge of the board extends into a tab that is covered with conductive material.

Information regarding the installation or operation of the board may be found through Reliance publications like manuals, data sheets, or user guides.   These publications will also give the user more information regarding the safe handling of this board. As the original equipment manufacturer, Reliance Electric was responsible for its technical support.

Reviews For 0-52850

Internal Review

This 0-52850 Reliance Electric printed circuit board product offering plays a specific functional role in its greater now-obsolete legacy series automated drive assembly as a Ring Counter and Firing Board, as symbolized by the unique IRFA functional acronym. This 0-52850 PCB has a singular push button for pulse testing purposes, and is considered available today for both repair and replacement. - AX Control Lead Technician

  • O-52850

Repair Services For 0-52850

Type Lead Time Price Action
Repair Service 1-2 weeks $362

Our highly skilled technicians can repair your 0-52850. 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