Phase protection relay MIF II
AC/DCfor generatorsfor electric motors

phase protection relay
phase protection relay
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Measured/monitored value
for electric motors, for generators, for transformers
Other characteristics


Manufacturing for this product has been discontinued. As an alternative, please refer to P14N and 350 relays. 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. • Option "N" for single phase or ground applications • IAC time - current curves • EPTAR-C time - current curves • 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 • 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 • 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


8 Pages

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Protection & Control

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