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WOODWARD MRR1-D Generator rotor protection relay

WOODWARD MRR1-D is a multifunctional generator rotor protection relay produced by Woodward Governor Company and is part of the MRR1 series of rotor protection relays. MRR1-D relay is widely recognized for its reliability and advanced protection functions, mainly used to protect synchronous generators and motors from various electrical faults and interferences. It is suitable for industries such as power, petroleum, chemical, metallurgical, and papermaking, and can provide reliable protection for key equipment, ensuring safe and stable operation of equipment, and reducing losses and risks caused by failures.Including voltage protection relays MRU4-2A0AAA, MRU4-2A0ABA, MRU4-2A0ATA, used in medium voltage systems, with high precision and reliability, supporting multiple communication protocols such as Modbus RTU, IEC 60870-5-103, etc. In addition, the generator protection relay MCDGV4 is also provided, which has protection functions such as phase current, voltage, and frequency, and is suitable for protecting generators, cables, transformers, etc.

The company’s main brand series is as follows:

ABB: 07AI91 07AC91 07KT97 AI880A CI840A DI810 DO810 EI803F IMDSI02 PM152 PM861AK01 SD823 etc.

ICS TRIPLEX:T8191 T8403 T8311 T8431 T8461 T8800 T8110B T8293 T8830 T8846 T8850 etc.

Allen-bradley: 1746-IB16 1746-N2 1746-NT4 1746-OB16 1746-OV16 1747-M11 1756-N2 1794-IB16 etc.

GE: IC660BBD120 IC670ALG630 IC670MDL241 IC670MDL740 IC693MDL645 IC697BEM731 IC660BBD020 etc.

Schneider: 140CHS11000 140DDI85300 140XTS00200 140NRP95400 416NHM30030A etc.

Yokogawa: AAI143-S00 AAI543-S00 AAM21-S2 VI702 AAM21-S2 ADV551-P00 ADV151-P00 PW482-10 etc.

Bently Nevada: 125720-01 125760-01 125840-01 128229-01 138708-01 146031-01 330180-50-00 etc.

EPRO: CON 041 PR6423/002-030 MMS6312 CON 021 PR6423/000-000 MMS6110 PR6423/000-030 etc.

Bachmann: CM202 DIO248 EM203 FM211 LM201 MX213 NT255 RS204 DO232 AIO288 etc.

Emerson: KJ3203X1-BA1 KJ3221X1-BA1 KJ3222X1-BA1 A6120 KJ2003X1-BA2 KJ4001X1-CA1 KJ4001X1-CJ1 KJ2201X1-HA1 etc.

Contact information

Sales Manager:Ella

Email:lanlan@szcxdcs.com

Mobile/WeChat:+86 15359298293

QQ：2259678687

Kind reminder: There are many products that were not showcased one by one. Please contact us for inquiries about niche, unpopular, discontinued spare parts, and spare parts. We sincerely serve you and provide you with a satisfactory answer.

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