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0-52806 is an Overspeed Tach Loss Board from Reliance



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  • Part Number: 0-52806
  • SKU: 052806RE
  • Manufacturer: Reliance Electric
  • Series: Drive Boards

About the 0-52806

0-52806 Overspeed Tach Loss PC Board TLOA

The 0-52806 is a Reliance Electric board component that is typically used within the company’s drive systems. In some cases, this product originates from ABB/Asea Brown Boveri or from Baldor Reliance.  The 52806 part id remains the same in all these cases.

The 0-52806 functions as an Overspeed Tach Loss Card.  This board is designed to monitor a speed-regulated system’s tachometer signal and compare it with the system’s speed reference.  The board’s front panel is designed with two LED indicators, an opening to a component, and a terminal strip built with twelve screw connections.  The LEDs are labeled ‘tach loss’ and ‘over speed.’ The opening is labeled ‘tach calibration’ and allows access to a potentiometer located on the surface of the circuit board. The terminal strip includes its own smaller cover that connects to the strip using two screws.    Surface wiring is used to connect the terminal strip connections to the circuit board’s surface; these connections run from the back of the faceplate to the board.

The board portion of the 0-52806 is populated by a transformer.  This is marked TR-12174. It has one relay, six transistors, six integrated circuits, along with disk capacitors, diodes, metal film resistors, and other capacitors made from polyester vinyl and other materials.  The board has several vertical pin connectors that attach to surface wiring. Surface wires are used elsewhere on the board. A grid pattern is printed on the board’s surface.

Installation and maintenance details can be found through publications originally provided by Reliance, such as product data sheets, series user guides, and manuals.

Frequently Asked Questions about 0-52806

How does this 0-52821-1 printed circuit board product offering mount in its greater Reliance Electric automated drive assembly?

This 0-52821-1 PCB slots in its greater Reliance Electric automated drive through its use of two screw mounts and a metal installation faceplate.

Does this 0-52821-1 product offering make use of any measurement system?

Yes. This 0-52821-1 PCB is marked with the standard Reliance Electric measurement grid on its base circuit board.

Reviews For 0-52806

Internal Review

This 0-52806 printed circuit board is considered to exist as a Overspeed Tachometer Loss Board within one of Reliance Electric's now-defunct legacy product series. This 0-52806 printed circuit board or PCB for short is represented by the functional abbreviation TLOA, and is designed with intuition in mind; making use of several fault detecting and diagnosing LED indicators in its external assembly. - AX Control Lead Technician

  • O-52806

Repair Services For 0-52806

Type Lead Time Price Action
Repair Service 1-2 weeks $357

Our highly skilled technicians can repair your 0-52806. 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