GE SR489-P5-HI-A20-E Generator Protection Relay
Technical Specifications
- Analog Accuracy: ±1% full scale
- Protection Rating: IP40 front/IP10 back
- Operating Altitude: 2000m
- Isolation Voltage: 36 Vpk
- Weight: 7.7kg (17lbs)

Key Features
- Advanced thermal modeling with phase unbalance compensation
- Configurable sequential trip logic (3 stages)
- Built-in ENERVISTA 489PC configuration software support
- CT/VT fail detection with load encroachment
- 100+ programmable alarms & 64 event records
Industrial Applications
Ideal for:
– Power plant generator protection
– Large industrial motor protection
– Cogeneration facilities
– Critical process protection systems
Why Choose Cynosure Tech Automation?
Premium Brands
- DCS Systems: GE, Foxboro, Triconex
- PLC Systems: Allen-Bradley, Siemens
- Servo Controls: Kollmorgen, Rexroth
Our Promise
- ✓ 365-Day Warranty
- ✓ Global Express Shipping
- ✓ Technical Support
About Cynosure Tech Automation
As a leading global supplier of industrial automation components, we specialize in DCS/PLC systems, servo controls, and robotic solutions from 40+ premium brands including:
Control Systems
- • ABB Industrial IT
- • Emerson DeltaV
- • Honeywell Experion
Motion Control
- • KUKA Robotics
- • Yaskawa Drives
- • Bosch Rexroth
We provide 1-year warranty and global logistics support through DHL/UPS/FedEx, ensuring 98%+ on-time delivery for urgent replacement needs.









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