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The GE Multilin 489-P5-HI-A20-E-H is a highly efficient generator management relay designed to provide advanced protection and monitoring for generators, even in challenging environments. It boasts a robust construction with a conformal coating to ensure durability. Some of its key features include:
- Generator stator differential protection
- Comprehensive 100% stator ground protection
- Loss of excitation protection
- Distance backup protection
- Reverse power (anti-motoring) protection
- Overexcitation protection
- Various networking interfaces (RS232, RS485, 10Mbps copper Ethernet)
- Support for multiple protocols (ModBus™ RTU, ModBus™ TCP/IP, DNP 3.0 Level 2)
You can easily configure and monitor this relay using the user-friendly EnerVista 489 Setup Software.
Features:
- Cutting-edge protection and monitoring capabilities for generators
- Robust construction with a protective conformal coating
- Wide range of protection features, including stator differential and ground protection
- Specialized protection against loss of excitation and reverse power
- Multiple networking interfaces and protocol support for seamless integration
- User-friendly configuration and monitoring via EnerVista 489 Setup Software
Technical Specifications:
- Phase CT secondaries: 5 A
- HI control power: 90-300 VDC and 70-265 VAC at 48-62 Hz
- Analog outputs: 4 to 20 mA
- Display: Enhanced LCD with a larger screen compared to the basic display
- Environmental protection: Conformal coating for harsh environments
- Output status LED indicators: Trip (1), Auxiliary (2, 3, 4), Alarm (5), Service (6)
- Generator status LED indicators: Breaker Open, Breaker Closed, Hot Stator, Negative Sequence, Ground, Loss of Field, VT Failure, Breaker Failure
- 489 status LED indicators: 489 In Service, Setpoint Access, Computer RS232, Computer RS485 / Auxiliary RS485, Alternate Setpoints, Reset Possible, Message
- Accessories: EnerVista 489 Setup Software, SR 19-1 PANEL, SR 19-2 PANEL, SCI MODULE, Phase CT, HGF3, HGF8, HGF8, 489 1 ⅜ inch collar, and 489 3-inch collar
For more detailed parameters, please refer to the GE Multilin 489-P5-HI-A20-E-H 489 Generator Management Relay System product manual: 489-P1-HI-A20-E
