GE Product Documentation
Product Model: SR489-P5-HI-A20
Manufacturer: General Electric (GE) Digital Energy
Product Description
The GE SR489-P5-HI-A20 is a high-performance protective relay designed for advanced power system protection and control applications. This intelligent electronic device (IED) provides comprehensive monitoring, protection, and control capabilities for medium to high-voltage electrical networks.
Equipped with advanced microprocessor technology, it offers precise fault detection, fast tripping capabilities, and seamless integration with SCADA and energy management systems, ensuring reliable operation of critical power infrastructure.
Key Technical Specifications
- Operating voltage: 110-240V AC/DC ±15%
 - Power consumption: Maximum 30VA
 - Operating temperature: -25°C to +70°C
 - Protection functions: Overcurrent, earth fault, overvoltage, undervoltage, frequency protection
 - Communication interfaces: Ethernet (TCP/IP), RS485 (Modbus RTU/TCP)
 - Current inputs: 1A or 5A (configurable)
 - Voltage inputs: Up to 120V AC
 - Output relays: 8 NO/NC programmable contacts
 - Dimensions: 145mm x 177mm x 220mm (W x H x D)
 - Weight: Approximately 1.8kg
 
Applications
This protective relay is typically used in:
- Industrial power distribution systems
 - Renewable energy plants (solar, wind)
 - Commercial building electrical networks
 - Transmission and distribution substations
 - Data centers and critical infrastructure
 
Document Revision: 2.3 | Last Updated: 2024-02-15
Certifications: UL 1008, IEC 60255, CE, cULus
For detailed programming guides, installation instructions, and full technical parameters, refer to GE's official product documentation or contact GE technical support.
