MRM4 Motor protection

The MRM4 is a protection relay which uses the latest Dual-Core-Processor Technology to provide precise and reliable protective functions and is very easy to operate.
The MRM4 provides all necessary functions to protect low and medium voltage motors at all power levels. The protection functions are based on current measurement.
They supervise the motor start sequence (motor start), they detect a stall or locked rotor condition and they monitor the thermal condition of the motor.
Overcurrent and earth overcurrent protection as well as unbalanced load protection are included in the protection package. The status and operation of the motor will also be monitored by means of the statistic and trend recorder. All important events and measuring values will be logged by means of the start, event, failure and disturbance recorder.
The protection functions of the MRM4 have been adapted to comply with the requirements of the VDE-AR-N-4110:2018.

MRM4-2 highPROTEC Series

Part Number: MRM4-2A0AAA
https://www.turner-ecs.com/web/image/product.template/89/image_1920?unique=c5fae84

MRM4 Motor protection


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


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

  • 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-MRM4-2D.pdf Open
DOK-FLY-MRM4-2E.pdf Open

Manuals

Name Open
MRM4-3.7-DE-MAN_C.pdf Open
MRM4-3.7-EN-MAN_C.pdf Open
Contact us
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2132 PX Hoofddorp
The Netherlands
Tel: +31 (0) 23 566 23 00

24/7: +31 (0) 6 57 59 22 50
info.nl@turner-ecs.com

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Newcastle-under-Lyme
Staffordshire ST5 7XE
United Kingdom
Tel: +44 1782 569190
info.uk@turner-ecs.com

Turner MCS Italy

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Via Lavoratori Autobianchi 1
20832 Desio, Italy
Tel: +39 0362 62 12 40
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D63225 Langen
Germany
Tel.: +49 (0) 6103 73 299 0
info.de@turner-ecs.com

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P.O. Box 203, Abu Dhabi
United Arabic Emirates
Tel: +971 02 626 7912
info.me@turner-ecs.com

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Office No. 702
7th Floor Al Mousa Tower
6682 Al Amir Turki-Al Yarmok Dst.
Al Khobar - Saudi Arabia
General: +966 138343734

Mobile: +966(0)504827421
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Turner ECS Qatar

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Ein Khalid Commercial Building
Doha, Qatar
Tel: +974 3338 0351
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