Brief Function Introduction:
The GE SR489-P5-LO-A20-E Power Management Relay is a sophisticated control solution specifically designed for managing and protecting generators. It ensures reliable operation by monitoring and controlling various parameters to maintain optimal performance.
Product Specifications:
| Power Management Relay Type: | Induction or Synchronous Generators |
| Operating Frequency: | 25, 50 or 60 Hz |
| Display Character Count: | 40 Characters |
| Input Channels: | 4 to 7 |
| Weight: | Approximately 10 lbs |
| Analog Output: | 4-20 mA |
| Amplifier Type: | IRIG-B Amplitude Modulated, 2.5 to 6.0 Vpk-pk at 3:1 signal ratio |
| Pulse Width Range: | 200 to 1000 ms in steps of 1 |
| Pulse Output: | Configurable and assignable to Digital Inputs 4 to 7 |
| Phase Overcurrent Elements: | Trip IRIG-B Amplitude Modulated, Programmable Fixed Characteristic |
| Pollution Degree: | II |
| Overcurrent Alarm Timing Accuracy: | +/- 0.5% of total time |
| Negative Sequence Overcurrent Time Delay: | 0.1 to 100.0 s in steps of 0.1 |
| Ground Directional Timing Accuracy: | +/- 100 ms |
| Sensor Supply: | 24 VDC at 20 mA Max Field Breaker Discrepancy |
| Harsh Environment Coating: | Not Available on this Model |
Product Details:
The GE SR489-P5-LO-A20-E is part of the SR family of relays, designed for advanced protection and management of generators. Its high-resolution 40-character display facilitates easy monitoring and adjustment of operational parameters.
With 4 to 7 configurable input channels, it offers flexibility for integration with various monitoring systems, enhancing its adaptability in diverse industrial settings.
The relay supports both induction and synchronous generator types, ensuring broad compatibility across different applications.
The programmable phase overcurrent elements provide customizable protection thresholds, allowing users to tailor the device's response to specific needs.
Featuring an adjustable negative sequence overcurrent time delay, it ensures precise control over generator operation, safeguarding against potential overloads and malfunctions.
The GE SR489-P5-LO-A20-E is equipped with a ground directional timing accuracy of +/- 100 ms, optimizing response times in critical scenarios.
The device supports a wide range of sensor supply voltages, making it suitable for environments with varying electrical conditions, thus ensuring reliability under diverse circumstances.
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