MRI3-ITE Time overcurrent relay with Multi-Characteristic (MRI3I5TE1D.)

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Product number: MRI3I5TE1D.


The digital multifunctional relay MRI3-ITE has been designed as a universal time over current protection relay with thermal replica for generators, transformers and cables.

The relay gives a complete thermal characteristic of the electrical equipment to be protected taking into account its initial load.

The MRI3-ITE furthermore provides a universal time-overcurrent and earth fault protection with the following functions:

  • independent (Definite) time over current relay,

  • inverse time over current relay with selectable characteristics,

  • two-element (low and high set) earth fault protection with definite or inverse time characteristics.

  • 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.

  • Supervision of the Thermal Replica.

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