MFR 1

The MFR 1 Series is a family of industrial grade protective relays that offer multiple protective features in a single package.
Using a digital processor to measure true RMS values enables a high degree of measuring accuracy regardless of harmonics, transients or disturbing pulses.

View MFR 1 series application overview

MFR 11

The MFR 11 model is a generator or mains protection unit packaged into one compact device. Typical applications are generators and switchgear equipment that require independent protection architecture. Different packages offer additional functionality.

Common Features:

• True RMS voltage measurement
• Configurable threshold/control set points
• Configurable alarm delays
• Two-line Liquid Crystal display
• Operation and alarm indication
• Display of measured values
• English/German display language
• PC and front panel configurable

MFR 11/MP Features:

• 3 configurable relays
• Over/undervoltage protection (ANSI# 59/27)
• Over/underfrequency protection (ANSI# 81O/U)
• Voltage asymmetry protection (ANSI# 47)

MFR 11/NU Features:

Same features as MFR 11/MP, but:

• Wide-range power supply (90 to 265 Vac/dc)
• No UL/cUL listing and GL approval !

MFR 11/VDEW Features:

Same features as MFR 11/MP, plus:

• Phase/vector shift protection (ANSI# 78)

MFR 11/G59 Features:

Same features as MFR 11/MP, plus:

• 8 configurable relays
• Phase/vector shift protection (ANSI# 78)
• df/dt ROCOF (rate of change of frequency) protection (ANSI# 81RL)

MFR 11/G59N Features:

Same features as MFR 11/G59, but:

• Wide-range power supply (90 to 265 Vac/dc)
• No UL/cUL listing and GL approval !

MFR 11/SC Features:

• 2 configurable relays
• Synch-check (ANSI# 25)
• Dead bus start functionality
• Zero voltage monitoring: dead bus start functionality
  (close CB to dead busbar)

MFR 11/SC+N Features:

Same features as MFR 11/SC, but:

• Wide-range power supply (90 to 265 Vac/dc)
• No UL/cUL listing and GL approval !

Certifications / registrations: UL/cUL, CE, GL

Download Product Specs:

English

Japanese

Chinese

Download Product Manuals:

English Manual

Deutsches Handbuch

Download Certificates:

GL - Germanischer Lloyd

Download LeoPC1 Configuration Files:

MFR 11/MP	P/N 5448-884	P/N 8441-1023	P/N LR21100
MFR 11/NU	P/N LR20610	P/N 8441-1027
MFR 11/VDEW	P/N 8441-1003	P/N 8441-1049
MFR 11/G59	P/N 5448-885	P/N LR20406	P/N 8441-1084
MFR 11/G59N	P/N 8441-1004	P/N 8441-1103
MFR 11/SC	P/N 8441-1005	P/N 8441-1097
MFR 11/SC+N	P/N 8441-1010	P/N 8441-1111

Refer to the configuration files download page for other P/Ns

Download LeoPC1 Configuration Program

Please refer to the Woodward Worldwide Directory and contact your local sales office for questions about pricing and delivery or product support.

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Note: Information contained herein is intended for and appropriate to the purposes of this publication. Woodward reserves the right to update or otherwise revise any portion of this publication at any time. Technical data and detailed information is available in Woodward product specs. Specific reliance should be given only to information contained in purchase order(s), other contractual document(s), or information otherwise expressly represented in writing by Woodward as correct and accurate for the specific facts, circumstances and applications.