Protection Relays
With a proven track record of 50 years, Microelettrica continues to lead the way making new protection, control, and automation applications possible.
From Generators to Transformers and through Transmission lines to Motors and beyond, our solutions detect anomalies and mitigate faults, preventing costly downtime and equipment damage to ensure dependable, safe power worldwide.
Explore Protection Relay Applications
PROTECTIVE FUNCTION PACKAGES
F Standard Feeder (ANSI 50/51, 51BF, 50N/51N, 68, 86)
FF Advanced Feeder (ANSI 46, 49, 50/51, 51BF, 50N/51N, 68, 79, 86)
V Standard Voltage (ANSI 27, 59, 81, 68, 86)
VV Advanced Voltage (ANSI 27, 27V1, 59, 59N, 59V2, 68, 81, 86)
M Motor (ANSI 37, 46, 48, 49, 51LR, 64, 66, 68, 86)
Dir Directional (ANSI 67, 67N)
AF Additional Functions
Note: 68, 86 not present in N-DIN series