Overview
The Reliance Electric 82746-41A 0-51899-2 is a control module extender card manufactured for integration with Reliance Electric general-purpose DC drive and motor control systems. This 44-pin extender board functions as an accessory component that enables technicians and engineers to safely access drive control circuitry for testing, diagnostics, and troubleshooting without the risk of damage inherent in repeated board insertion and removal cycles. The extender card design reduces the potential for bent pins, connector wear, and component failure during maintenance operations.
Key Features
- 44-pin connector design with conductive tabs for secure connection to drive control modules
- Extender board architecture eliminates repeated insertion/removal of main control cards during testing
- Tab-edge connector with brass pins spanning approximately two-thirds of board length for comprehensive signal access
- Compatible with Reliance Electric drive control systems and general-purpose DC motor controllers
- Helps prevent pin damage and connector wear from frequent service operations
Technical Specifications
| Connector Type | 44-pin conductive tab edge |
| Board Configuration | Single extender card, long and narrow form factor |
| Pin Span | Approximately two-thirds of board length |
| Manufacturer | Reliance Electric / Baldor-Reliance |
| Part Number | 0-51899-2 |
| Alternative Designations | 82746-41A, 0518992 |
Typical Applications
- DC motor drive control board testing and diagnostics
- General-purpose motor control system troubleshooting
- Drive circuit board signal access during maintenance
- Industrial automation equipment service and repair
- Facility maintenance and equipment testing without system shutdown
Compatibility & Replacements
Compatible With
- Reliance Electric general-purpose DC drive systems
- Baldor-Reliance motor control modules
- Reliance Electric control module boards with 44-pin connector configuration
- Industrial motor control and automation drive systems requiring extender board access
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. This unit is a direct replacement for OEM part number 0-51899-2 and may be referenced as 82746-41A or 0518992 in legacy documentation.
Works With
- Reliance Electric drive control boards
- Baldor-Reliance motor control systems
- Standard 44-pin drive control module connectors
- Industrial automation test equipment and diagnostic tools






