GE Multilin | SR489 | 489-P1-HI-A20-E | Generator Management Relay
The GE 489-P1-HI-A20-E — a generator management relay you will wish you had on the shelf when the old one fails. Time Delay: 0.2 to 120.0 s in steps of 0.1 | Pickup Accuracy: See power metering | Timing Accuracy: ±100 ms or ±0.5% of total time. Physical stock, not virtual inventory. Ships within 24 hours.
Technical Specifications
| 489 Generator Management Relay | is a microprocessor-based relay designed for the protection and management of synchronous and induction generators. |
|---|---|
| Pick-up Level | 0.02 to 0.99 ´ rated MW |
| Time Delay | 0.2 to 120.0 s in steps of 0.1 |
| Pickup Accuracy | See power metering |
| Timing Accuracy | ±100 ms or ±0.5% of total time |
| Elements | Trip and Alarm |
| Blocking Signals | Low power and low voltage if open delta |
| Pickup Level | 2.5 to 300.0 W secondary in steps of 0.1 with adjustable impedance offset 1.0 to 300.0 W secondary in steps of 0.1 |
| Pickup Levels | 0.1 to 500.0 W secondary in steps of 0.1 50 to 85° |
| Block From Online | 0 to 5000 s in steps of 1 |
| Shipping Box | 12”´11”´10” (W ´ H ´ D) 30.5cm ´ 27.9cm ´ 25.4cm |
| Shipping Weight | 17 lbs Max / 7.7 kg |
| Manufacturer | GE |
| Model / SKU | 489-P1-HI-A20-E |
✓ Ships within 24 hours | ✓ 12-Month Warranty | ✓ Worldwide Delivery
Detailed Product Information
Compatibility
For GE platforms. Verify firmware, slot, power budget. Send label photo — we confirm within 4 hours.
Shipping
ESD bag, foam, double-wall carton. Printed test report. DHL/FedEx/UPS 3-5 days. 24-hour handling.
Spare Economics
Module: thousands. Downtime in chemical facilities: $10K-$250K/day. One avoided outage = 10-100x ROI. Keep one cold spare.
Where It Operates
Deployed in chemical facilities on GE systems.
Examples
- The 489 Generator Management Relay is a microprocessor-based relay designed for the protection and management of synchronous and induction generators.
- NEUTRAL OVERVOLTAGE (FUNDAMENTAL) Pick-up Level: 2.
- 1 Pickup Accuracy: As per Neutral Voltage Input Timing Accuracy: ±100 ms or ±0.
No spare = one failure from downtime. Ships within 24 hours.
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