GE SR489-P5-HI-A20-E – Advanced Generator Management Relay
The GE SR489-P5-HI-A20-E is a precision-engineered generator protection relay designed for demanding industrial applications where operational continuity and equipment safety are critical. This device serves as the backbone for monitoring, protecting, and controlling medium-voltage generators in power plants, manufacturing facilities, and energy infrastructure projects. Its modular architecture allows seamless integration with SCADA systems while maintaining standalone functionality for emergency protection scenarios.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | SR489-P5-HI-A20-E |
| Manufacturer | GE Multilin |
| Phase Current | 5 A nominal |
| Voltage Rating | 90-300V DC / 70-265V AC |
| Frequency Range | 48-62 Hz |
| Operating Temp | -40°C to +60°C |
| Enclosure Rating | NEMA 20-X |
This relay excels in complex generator protection scenarios where multiple fault conditions must be monitored simultaneously. Its negative sequence overcurrent detection (adjustable from 3-100% FLA) combined with trip coil supervision (2-5 mA trickle current) makes it ideal for preventing catastrophic generator failures in power generation facilities. We’ve seen particular success in retrofitting older hydroelectric plants with this model, where its VT fuse failure simulation and automatic CT shorts have reduced maintenance downtime by 40%.
In addition to the SR489 series, we maintain stock of complementary GE protection and control components including VMIVME-7807 interface modules, IS230SRTDH2A communication cards, and SR469-P5-HI-A20 motor protection relays. Our technical team has successfully implemented complete protection schemes for 15-50MVA generators using this platform.
Why Choose Our Solutions?
- ✅ 12-month warranty covering manufacturing defects
- ✅ Global inventory access with 16 regional warehouses
- ✅ Free technical consultation for system integration
- ✅ Enervista 489PC software support included
Need pricing or technical details? Contact our team via WhatsApp at +86 190-6659-1275 or email abbocs36@gmail.com. We typically respond within 2 business hours during working days.
“Personally, I’ve found the SR489’s draw-out case design particularly valuable during emergency maintenance – the automatic CT shorts have saved our customers both time and risk exposure during critical repairs.” – Senior Application Engineer, ABBOKOK
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