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 15

The MFR 15 model includes a synchronizer and a load and power factor controller via discrete outputs to combine protection and control into one unit. Different packages offer additional functionality.

Common Features:

  • True RMS generator/busbar voltage measurement
  • True RMS generator current measurement
  • Configurable trip/control set points
  • Configurable delays for each alarm
  • 3 configurable relay outputs
  • 3 dedicated control relay outputs
  • Two-line Liquid Crystal display
    • Operation and alarm indication
    • Display of measured values
    • English/German display language
  • PC and front panel configurable

Common Protection Functions:

  • Over-/undervoltage (ANSI# 59/27)
  • Over-/underfrequency (ANSI# 81O/U)
  • Voltage assymetry (ANSI# 47)
  • Overload (ANSI# 32)
  • Reverse power (ANSI# 32R)
  • Reduced power (ANSI# 32F)
  • Unbalanced load (ANSI# 46)
  • Reactive power
  • Loss of excitation (ANSI# 40Q)
  • Independent time-overcurrent (ANSI# 50)

MFR 15/SY Features:

  • Synchronizer for 1 CB
    • Isolated operation
    • Mains parallel operation
  • Speed / Frequency /real power control
  • Voltage / power factor control
  • Remote real power set point (0/4 to 20 mA)
  • 3 configurable analog outputs (20 mA)
  • Pulse outputs for kWh

MFR 15/SYN Features:

  • Synchronizer for 1 CB
    • Isolated operation
    • Mains parallel operation
  • Speed / Frequency /real power control
  • Voltage / power factor control
  • Remote real power set point (0/4 to 20 mA)
  • 3 configurable analog outputs (20 mA)
  • Pulse outputs for kWh
  • Load sharing via 0 to 4 Vdc analog line

MFR 15/SYN-I Features:

  • Synchronizer for 1 CB
    • Isolated operation
    • Mains parallel operation
  • Speed / Frequency /real power control
  • Voltage / power factor control
  • Remote real power set point (0/4 to 20 mA)
  • Load sharing via 0 to 4 Vdc analog line
  • RS-485 Modbus RTU Slave interface

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 15/SY P/N 5448-899 P/N 8440-1592
MFR 15/SYN P/N 5448-887 P/N 8440-1257 P/N 8440-1722
MFR 15/SYN-I P/N 8440-1016
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.

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