MRMV4 Motor protection

The MRMV4 is a protection relay which uses the latest Dual-Core-Processor Technology to provide precise and reliable protective functions. Also it is very easy to operate.
The MRMV4 provides all necessary functions to protect low and medium voltage motors at all power levels.
The protection functions are based on current and voltage measurement and supervise all thermal conditions, motor start sequence, stall and locked rotor, undercurrent and incomplete sequence.
Overcurrent functions and earth fault functions are also available as power protection, frequency and voltage elements.
The motor operation can be monitored by statistic and trend recorders.
The protection functions of the MRMV4 have been adapted to comply with the requirements of the VDE-AR-N-4110:2018.

MRMV4-2 highPROTEC Series

Part Number: MRMV4-2A0AAA

PROTECTION DEVICE-MRMV4-2A0AAA


Measurement: Standard Ground Current
Housing type: Housing suitable for door mounting
Environment: Standard


Please contact us if you need more information.
Variants Overview Table
  • Hardware
  • Measurement
  • Housing type
  • Communication Ports
  • Environment

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Termini e condizioni

Features

  • Wide range power supply: 24 … 270 VDC / 48 … 230 VAC

  • VT measurement from 0 V up to 800 VAC

  • CT measurement always with 1 A and 5 A

  • Plausibility verification intelligence

  • Optimized functional overview by hiding unused functions, parameter and assignments

  • On-board testing without removing the wiring

Applications

  • Start Cycle Supervision

  • Overload

  • Jam / Locked Rotor

  • Underload

  • Unbalanced Load

  • Number of Starts, Counters,…

  • Keeping motor load under the Thermal Damage Curve

Downloads

Specification

Name Open
DOK-FLY-MRMV4-2D.pdf Open
DOK-FLY-MRMV4-2E.pdf Open

Manual

Name Open
MRMV4-3.7-DE-MAN_C.pdf Open
MRMV4-3.7-EN-MAN_C.pdf Open
Contact us
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