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MIGII Generator Protection System
migii

The MIGII, part of the M II Family of economical and highly functional digital relays, provides comprehensive protection for small generators. It can also be used to protect small motors, or as a backup protection for transformers, and large motors. To complement its protection and control features, the MIGIIs user-friendly controls and plug and play EnerVista compatible setup software make this product very easy to configure and use.

Features and Benefits
  • Reduce troubleshooting and maintenance cost - event recording, and analog/digital oscillography
  • Design flexibility - Easy to use programming logic
  • Access to information - Modbus RTU™ communications
  • Configurable logic, curves, digital I/Os, and LEDs
  • Flash memory for product field upgrade
  • Two settings groups
  • Password protection for local operation
  • Automatic display of last fault information
  • AC/DC power supply
  • Access via front panel keypad or communication links
  • EnerVista compatible
  • Isolated RS232 port
  • Applications
  • Main protection for small generators and motors
  • System Component for large generator packages
  • Main protection for standby/critical power
  • Back up protection for transformers & large motors
  • Protection and Control
  • Complete time & instantaneous phase, neutral and ground overcurrent
  • Thermal image protection
  • Circuit breaker control (open and close)
  • Negative Sequence
  • Restricted Ground Differential Element
  • Undercurrent
  • Maximum number of starts
  • Locked rotor
  • Configurable I/O
  • Six outputs: trip, service, 4 auxiliary
  • 4 pre-configured overcurrent curves (ANSI, IEC)
  • Monitoring and Metering
  • 24-event record
  • Analog/digital oscillography
  • Per phase current metering
  • Monitoring of the last 5 trips information from the display
  • User Interface
  • 2x16 character LCD display
  • 6 LED indicators, 4 configurable in function and color
  • Front RS232 and rear RS485 ports using ModBus RTU protocol up to 19,200 bps
  • EnerVista software - an industry leading suite of software tools that simplifies every aspect of working with GE Multilin devices
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