GE Multilin 489-P5-HI-A20-E-H 489 Generator Management Relay System

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