MIFII Digital Feeder Relay
Digital Energy Protection & Control Distribution Feeder Protection
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Digital Feeder Relay
MIFII Digital Feeder Relay

Orders will be accepted for this product through 1st October, 2018. As an alternative, please refer to the 350 relay.

The MIF II, part of the M II Family of economical and highly functional digital relays, provides comprehensive distribution feeder protection and can also be used for backup protection for transformers, busbars, generators and large motors.

In addition to feeder protection, the MIF II also provides integrated breaker control (open/close) and recloser functions. To complement its protection and control features, the relay's user-friendly controls and plug and play setup software make this product very easy to configure and use.

New Feature Release

To complement its protection and control features, the following
features have been added to the MIF II:
  • Option "N" for single phase or ground applications
  • IAC time - current curves
  • EPTAR-C time - current curves

Features and Benefits
  • Configurable logic, curves, I/Os and LEDs
  • Flash memory for field upgrades
  • Two settings groups
  • Password protection for local operation
  • Automatic display of last fault information
  • AC/DC power supply
  • Improved user interface
  • Access via front panel keypad or communication links
  • EnerVista compatible
  • Isolated front RS232 serial port

  • Primary circuit protection on distribution networks at any voltage level
  • Backup/auxiliary protection for transformers, generators and motors
Protection and Control
  • Phase, ground TOC and IOC
  • Thermal image protection
  • Circuit breaker control (open and close)
  • Four shot autorecloser
  • Cold load pickup function
  • Configurable breaker failure to open
  • Configurable I/O
  • 6 outputs; trip, service required, auxiliary

Monitoring and Metering
  • 32-event record, analog/digital oscillography
  • KI2 counter for breaker maintenance
  • 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
  • EnerVista software for setting and monitoring
  • Front RS232 and rear RS485 ports using ModBus® RTU protocol up to 19,200 bps