MRI1-IU Time overcurrent relay with Multi-Characteristic (MRI1I5U1D)
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Configuration
The digital multifunctional relay MRI1-IU is a universal protection device for alternators and other equipment.
It provides the following functions:
Independent (definite) time overcurrent protection (DMT)
Inverse time overcurrent protection (IDMT) with the following selectable characteristics: Normal Inverse, Very Inverse, Extremely Inverse, Automatic change over characteristic by undervoltage
19“ racks – fully withdrawable
Door mounting – withdrawable and sealable
Panel mounting – fully withdrawable
Fault / disturbance recorder
Intuitive HMI
Display (of primary values)
Easy setting software – Smart view
Compact form factor
Interconnection of renewable energies (DER – distributed energy resources) to the public grid.
Protection of High, Medium and Low Voltage feeders against thermal damages by overload or short circuit currents.