Manufacturing for MFF has been discontinued.

MFF relays are microprocessor based relays that provide protection against frequency variations in AC systems.

 

Applications

  • AC systems

 

Protection and Control 

  • Under and overfrequency

MFF Digital Frequency Relay - Legacy

Manufacturing for MFF has been discontinued.

MFF relays are microprocessor based relays that provide protection against frequency variations in AC systems.

 

Applications

  • AC systems

 

Protection and Control 

  • Under and overfrequency