The M-3425A comprehensive generator relay offers an integrated protection system for generators of all sizes. It protects generators of any prime mover, grounding, and connection type. It provides all major protective functions for generator protection, including:
Out of Step (78).
Split Phase Differential (50DT).
Under Frequency Time Accumulation (81A).
Inadvertent Energizing (50/27).
Turn to Turn Fault (59X).
Additional features of the M-3425A include:
Expanded IPScom® communications software provides simple and logical setting and programming, including logic schemes.
Offers Base and Comprehensive protection packages.
Load encroachment blinders and power swing blocking for system backup protection (21), to enhance security during system abnormal conditions.Options include:
Ethernet connection.
Field Ground/Brush Lift Off protection (64F/B).
100% Stator Ground Fault protection by low frequency injection (64S).