GE SR489-P5-LO-A20-E | 489 GENERATOR MANAGEMENT RELAY.The Multilin™ 489 Generator Protection System, a member of the SR family of relays, provides protection, control and advanced communications in a cost effective industry leading draw-out construction. Designed for small and medium sized generators, the 489 delivers advanced protection including generator stator differential protection. The 489 also includes detailed diagnostic information allowing for reduced troubleshooting time.
Key Benefits
• Complete, secure protection of small to medium sized generators
• Easy to use generator protection system supported by and industry leading suite of software tools.
• Advanced protection and monitoring features including the use of RTDs for stator and bearing thermal protection and Analog Inputs for vibration monitoring
• Global acceptance as a member of the most renown protection relay product family in the market.
• Draw-out construction allowing for minimized downtime and easy removal/installation of the 489 during maintenance routines
• Large, user-friendly front panel interface allowing for real-time power monitoring and setpoint access with a display that is easily readable in direct sunlight
• Enhanced generator troubleshooting through the use of IRIG-B time synchronized event records, waveform capturing, and data loggers
• Simplified setpoint verification testing using built in waveform simulation functionality
• Cost effective access to information through industry standard communication hardware (RS232, RS485, 10BaseT Ethernet) and protocols (Modbus RTU, Modbus TCP/IP, DNP 3.0)
• Available for use in most extreme harsh locations with the available Harsh Chemical Environment Option
Internal Review
⭐⭐⭐⭐⭐ 5.0
The 489-P5-LO-A20-E is a highly regarded generator management relay due to the simplicity of use via the onboard navigation menus and via the Enervista software. The draw-out case makes removing and replacing the model quite simple and no rewiring is necessary. Overall the 489-P5-LO-A20-E stands out from other generator protection relays on the market due to usability and because of the clarity provided by the enhanced LCD display – Automation Industrial Quality Assurance Manager
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