GE SR489-P5-LO-A20-E: Advanced Generator Protection Relay with 4-20mA Analog Output
The GE SR489-P5-LO-A20-E is a high-performance generator protection relay engineered for critical power generation systems. Its low-voltage 4-20mA analog output provides precise monitoring capabilities, while advanced features like trip/alarm protection, breaker failure detection, and VT fuse failure simulation ensure uninterrupted generator safety in demanding industrial environments.
| Parameter | Specification |
|---|---|
| Brand | GE (General Electric) |
| Analog Output | 4-20 mA low voltage |
| Communication Ports | None, Odd, Even |
| Case Design | Fully drawout with automatic CT shorts |
| Digital Inputs | 7 configurable inputs |
| Sensor Supply | 24 V DC at 20 mA max |
| Weight | Approx. 4.5 kg (10 lbs) |
| Pollution Degree | II |
| Software Compatibility | Enervista 489PC |
This relay is essential for power plants, manufacturing facilities, and critical infrastructure requiring fail-safe generator protection. It integrates seamlessly with turbine monitoring systems, DCS/PLC configurations, and safety instrumented systems (SIS). Compatible with GE’s SR series protection systems, it pairs effectively with vibration monitors and redundant control architectures for comprehensive power management.
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