by Michele Pesci | Jan 10, 2022
Systems & Electronics PQD4L – Digital directional power and over and under active and reactive power protection relay The protection relay PQD4L belongs to SIGMA-L digital protection line and it performs functions as directional power and over and under active...
by Michele Pesci | Jan 10, 2022
Systems & Electronics IMT4L – Digital multifunction motor protection relay The multifunction protection relay IMT4L belongs to SIGMAL digital protection line and it performs functions as multifunction motor protection relay. The user can select one or more of...
by Michele Pesci | Jan 10, 2022
Systems & Electronics UAR4L – Digital under and overvoltage and frequency multifunction protection relay The protection relay UAR4L belongs to SIGMA-L digital protection line and it performs overvoltage and undervoltage protection, over-frequency and...
by Michele Pesci | Jan 10, 2022
Systems & Electronics IFD4L – Digital multifunction protection relay for M.V. lines The multifunction protection relay IFD4L belongs to SIGMA-L digital protection line and it performs functions as phase overcurrent, earth fault (directional and not directional)...
by Michele Pesci | Jan 7, 2022
Systems & Electronics DIA4L – Interface protection relay for active consumers (according to CEI 0-16 2019-04 Norm) The protection relay DIA4L belongs to SIGMA-L digital protection line and it performs three phase overvoltage and undervoltage protection, over...
