The GE 489-P5-HI-A20-E is a comprehensive generator protection system offering secure protection, advanced monitoring, and easy integration for small to medium-sized generators with Ethernet connectivity.
Specifications
- Phase CT Secondary: 5 A
- Power Supply: HI (90–300 V DC; 70–265 V AC @ 48–62 Hz)
- Analog Outputs: A20 (4–20 mA)
- Enhancements: E (Enhanced display, larger LCD, improved keypad)
- Protection: Includes stator differential, 100% stator ground, loss of excitation, reverse power, and more.
- Communications: Includes RS232, RS485, and 10BaseT Ethernet (Modbus RTU, Modbus TCP/IP, DNP 3.0).
- Operating Temperature: -40 °C to +60 °C
Enviromental Strength
- Wide Operating Temperature: Reliable operation in extreme conditions from -40 °C to +60 °C.
- High Humidity Tolerance: Functions in up to 95% non-condensing humidity at 55 °C.
- Harsh Environment Option: Available with a conformal coating (H option) for chemically harsh locations.
- Marine Certification: GL certified for below-deck shipboard applications.
- High Altitude Operation: Suitable for installations up to 2000 meters.
- Rugged Construction: Designed to withstand high levels of vibration and dielectric stress per IEC standards.



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