GE SR489-P5-HI-A20 Industrial Generator Management Relay
Product Overview
The GE SR489-P5-HI-A20 is a precision-engineered generator management relay designed for critical industrial applications. It delivers advanced monitoring and protection functions to ensure optimal generator performance in demanding environments. Key capabilities include ±1% full-scale accuracy for analog inputs, IP40/IP10 environmental protection, and robust operation at altitudes up to 2000 meters. Featuring automatic CT shorts and drawout design, this relay simplifies maintenance while providing comprehensive protection against phase reversal, overcurrent, and system faults.
Technical Specifications
| Parameter | Specification |
| Manufacturer | General Electric (GE) Multilin |
| Model | SR489-P5-HI-A20 |
| Control Power | 90-300 VDC / 70-265 VAC @ 48-62 Hz |
| Operating Temperature | -40°C to 60°C |
| Timing Accuracy | ±50 ms or ±0.5% total time |
| Protection Ratings | IP40/IP10 |
| Isolation | 36 Vpk |
| Certifications | IEEE/ANSI C37.90.1, UL 508 |
| Shipping Weight | 7.7 kg (17 lbs) |
Applications & Compatibility
This relay excels in power generation facilities, manufacturing plants, and industrial complexes requiring fail-safe generator protection. It integrates seamlessly with GE’s Multilin protection systems and supports interoperability with major industrial control platforms. Typical applications include:
- Generator synchronization and load sharing
- Ground fault and overcurrent protection
- Critical backup power system management
- Industrial process automation safety systems
About Vertex Industrial
Vertex Industrial sources premium industrial automation hardware from leading manufacturers including GE, ABB, Siemens, and Honeywell. We specialize in both new surplus and professionally refurbished components, backed by our global supply network. All products include:
- 1-year comprehensive warranty
- Expert technical support for installation and troubleshooting
- Pre-sales configuration guidance
- Global logistics coordination
Contact us for current pricing and availability. Can’t find your required model? Message us on WhatsApp for custom sourcing solutions. We’ll locate and procure any industrial automation component within our extensive network.
Direct Support:
WhatsApp: +86 136 3952 2374
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