GE SR489-P5-LO-A20-E Generator Protection Relay – Precision Power System Guardian
The GE SR489-P5-LO-A20-E Generator Protection Relay delivers advanced protection and monitoring capabilities for critical power generation systems. Engineered with low-voltage 4-20mA analog output and comprehensive digital I/O functionality, this relay ensures precise fault detection, system stability, and operational safety in demanding industrial environments.
- Low Voltage 4-20mA Analog Output: Enables precise real-time monitoring of generator parameters
- Configurable Digital Inputs: Supports flexible system integration through 7 assignable digital inputs
- Breaker Failure Supervision: Flash memory-based trip coil monitoring ensures reliability during critical operations
- VT Fuse Failure Simulation: Proactively identifies potential voltage transformer issues
- Automatic CT Shorts: Enhances safety during maintenance with fully drawout design
- Enervista 489PC Compatibility: Streamlines configuration and diagnostics via PC-based software interface
| Parameter | Specification |
|---|---|
| Brand/Model | GE SR489-P5-LO-A20-E |
| Power Requirements | 20-60 VDC or 20-48 VAC (48-62 Hz) |
| Dimensions & Weight | 7.7 kg (17 lbs) with standard mounting |
| Input/Output | 4-20mA analog output, 5A CT secondaries, 7 digital inputs |
| Protection Features | Offset mho distance characteristics, negative sequence overcurrent (3-100% FLA) |
Application Fields
Designed for mission-critical power systems, this relay excels in:
- Utility-scale power generation plants
- Industrial cogeneration facilities
- Emergency power systems
- Marine power distribution networks
- Renewable energy integration projects
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