0-52806
May 21, 2026

0-52806

Model Number: 0-52806 Brand: RELIANCE Electric Product Category: Industrial Drive Protection Control Board Alias: TLOA Tachometer Loss & Overspeed Board, Speed Monitoring Protection Card General Info: Rack plug-in type circuit board, conformal coated PCB, gold-plated edge connector, stable performance, dedicated spare part for old DC drive systems

Description

1. Basic Information

  • Model Number: 0-52806

  • Brand: RELIANCE Electric

  • Product Category: Industrial Drive Protection Control Board

  • Alias: TLOA Tachometer Loss & Overspeed Board, Speed Monitoring Protection Card

  • General Info: Rack plug-in type circuit board, conformal coated PCB, gold-plated edge connector, stable performance, dedicated spare part for old DC drive systems

2. Function & Positioning

It is a dedicated safety protection board for Reliance DC drive systems. It real-time monitors motor speed feedback signals, detects tachometer signal loss and motor overspeed status, outputs alarm signals and executes protection actions, effectively prevents equipment runaway faults, ensures safe and stable operation of the whole drive system.

3. Core Performance Parameters

  • Monitoring Object: Motor tachometer speed feedback signal

  • Main Protection: Tach signal loss protection, overspeed protection

  • Operating Temperature: 0°C ~ +55°C

  • Working Humidity: 5% - 95% non-condensing

  • Connection Mode: Direct plug-in with drive backplane

  • Protection Response: Fast response speed, reliable action

  • Environmental Resistance: Moisture-proof, anti-vibration, strong anti-interference

4. Universal Matching Accessories

  • Reliance standard drive cabinet and backplane

  • Fixing bolts and locking pieces

  • Tachometer signal connecting cables

  • Fault signal transmission lines

  • External wiring terminal blocks

  • Anti-static installation accessories

5. Applicable Equipment & Fields

  • All series of Reliance DC speed regulating drives

  • Metallurgical rolling mill main transmission equipment

  • Papermaking, textile industry speed control machinery

  • Chemical and water treatment industrial transmission systems

  • Port lifting and large conveyor equipment

  • Old industrial electrical equipment maintenance and replacement


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