MRN3-1 Mains Decoupling Relay

Product detail

Product code:
MRN3
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Product Information

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Documentation (Brochures & Manuals)

General HighTECH Line User Manual

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

Benefits and Key Features

  • 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


Application

  • Interconnection of renewable energies (DER – distributed energy resources) to the public grid.

  • Over- / Undervoltage protection.

  • Frequency based protection option, examples:

    Over-/Underfrequency supervision

Inputs and Outputs
Binary inputs 2
Output relays 4
Voltage transformer inputs 3
Watchdog relay 1
Protection ANSI
Voltage protection 27/59
Frequency protection 810/81U
Vector surge / mains decoupling 78V
Additional Features
Disturbance recorder
Fault recorder (none volatile)
Parameter sets 2
Communication
Modbus RTU (Option)
RS485 Open Data Protocol (Option)
Mounting Type
Housing is withdrawable
Housing suitable for 19” rack mounting (Option)
Housing suitable for door mounting (Option)
Housing suitable for mounting plate

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