MRN3-1 Mains Decoupling Relay (MRN311D.)

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Product number: MRN311D.

Configuration

Voltage transformer inputs

The MRN3-1 is a mains decoupling relay with voltage back up function according to VDN/e.on voltage (2 flexible voltage time characteristics, 3 standard steps Frequency (3 steps) df/dt-supervision (1 step) and vector surge (1 step).

  • Over/ and under voltage protection,

  • over/ and under frequency protection,

  • extremely fast decoupling of generator in case of mains failure

  • 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.

  • Over- / Undervoltage protection.

  • Frequency based protection option, examples:

    Over-/Underfrequency supervision

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