Generator Management Relay SR489-P5-LO-A20-E GE Multilin
Description
Generator Management Relay SR489-P5-LO-A20-E GE Multilin is a microprocessor-based generator protection and management relay, part of the GE Multilin 489 series, designed for use with synchronous or induction generators to monitor, protect, and control generator operations.
| Specification | Value |
|---|---|
| Operating Voltage | DC 20-60V, AC 20-48V (48-62 Hz) |
| Operating Frequency | 25 Hz, 50 Hz, 60 Hz |
| Input Current | 5A (phase CT secondary) |
| Output Current | 10A |
| Power Rating | 240W |
| Protection Class | IP20 |
| Dimensions | 21.6cm x 22.4cm x 25.2cm |
| Weight | Approximately 10 kilograms |
| Communication Protocols | RS232, RS485, Modbus RTU, DNP 3.0; up to 19200 bps |
Key Features:
- Comprehensive multi-function protection including overcurrent, under-voltage, over-voltage, under-frequency, over-frequency, and stator differential protection
- High-precision sampling with 12 samples per cycle for accurate generator status monitoring
- 40-character display for viewing operational values, diagnostics, and setpoints
- 12 RTD inputs, 6 relay outputs, 4 isolated 4-20mA analog I/O, and 7 assignable digital inputs
- Flexible installation options: panel mount or DIN rail mount
- Advanced diagnostic capabilities with event recording, waveform capture, and data logging to reduce troubleshooting time
- Draw-out design for easy maintenance with minimal downtime
Applications:
- Power systems: power plants, substations, transmission and distribution networks
- Industrial automation: on-site power generation systems and process control
- Marine automation: shipboard generator protection and control
- Oil and gas industry: on-site power system protection for drilling and production facilities
- Distributed energy systems: small wind and solar generator integration, cogeneration plants
Related Models:
- GE Multilin 489-P5-LO-A20
- GE Multilin SR489-P5-LO-A20
- GE Multilin SR489-P1-L-A20