Overview
The Reliance 0-52808-2 is an Overload Voltage Control (OLVC) board module engineered for Reliance Electric MaxPak drive systems. This faceplate and PCB board combination provides critical overload and voltage protection functionality within industrial drive applications. Used units are extensively available and commonly sourced as direct replacements in maintenance and troubleshooting scenarios.
Key Features
- Five LED indicators for system diagnostics (ARM VOLT COMPARATOR, PHASE SEQ, FIELD SUPPLY, OVERLOAD FAULT, IET FAULT)
- Red reset button for fault reset operations
- Conductive backplane connector for secure rack mounting
- Two set screws for secure module lock within the rack
- Robust PCB construction with polyester vinyl, ceramic, and electrolytic capacitors
- Over 75 precision metal film resistors and 12+ integrated circuits for reliable performance
Technical Specifications
- Manufacturer: Reliance Electric
- Part Number: 0-52808-2
- Module Type: OLVC (Overload Voltage Control) Board
- Application: MaxPak Drive Systems
- Component Type: Printed Circuit Board with Faceplate
- LED Indicators: 5 (diagnostic LEDs)
- Reset Button: Red manual reset
- Mounting: Rack mount with set screws
- Connector: Conductive backplane interface
Typical Applications
- MaxPak variable frequency drive (VFD) systems
- Motor drive protection and monitoring
- Overload fault detection and isolation
- Voltage line monitoring and phase sequencing
- Industrial motor control and drive troubleshooting
- Drive system maintenance and repair
Compatibility & Replacements
Compatible With
- Reliance Electric MaxPak drive systems
- Reliance Electric drive racks requiring OLVC module functionality
- Systems using Baldor-Reliance or ABB-branded versions of this module
- Industrial automation environments with MaxPak drive infrastructure
Replaces / Drop-In Replacement For
- Reliance Electric 0-52808-2 original or worn units
- Baldor-Reliance 0-52808-2 equivalents
- ABB-marked 0-52808-2 versions (legacy cross-branded boards)
Works With
- Reliance MaxPak drive controller systems
- Standard rack-mounted drive enclosures using backplane connectors
- Industrial control systems with 24 VDC diagnostic logic
- Drive system monitoring and protection circuits
