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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.

Manufacturing for this product has been discontinued. As an alternative, please refer to the Multilin 339, 345, 850 or P40 Agile P34x relays.

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