MC2-30M
Doc. N°
MO-0495-ING
Copyright 2018
Date
17.03.2022
Rev.
2
Pag.
3
of
64
(First Overcurrent Element F50/51) _________________________________________________ 36
(Second Overcurrent Element F50/51) _______________________________________________ 38
(Third Overcurrent Element F50/51) _________________________________________________ 38
(First Earth Fault Element 50N/51N) _______________________________________________ 39
(Second Earth Fault Element 50N/51N) ____________________________________________ 39
(Third Earth Fault Element 50N/51N) ______________________________________________ 40
(First Negative Sequence Element F46) _____________________________________________ 41
(Second Negative Sequence Element F46) ___________________________________________ 41
(Motor Start) ________________________________________________________________ 42
(Locked Rotor – Rotor jam) ________________________________________________________ 42
(Limitation Start Number) _______________________________________________________ 42
(starting Sequence Control) _____________________________________________________ 43
17.18.2 - Operation ____________________________________________________________________________ 43
(No load running) _______________________________________________________________ 43
17.19.2 - Operation ____________________________________________________________________________ 43
(Trip Circuit Supervision)_________________________________________________________ 44
17.20.2 - Operation ____________________________________________________________________________ 44
(Internal Relay Fault) ____________________________________________________________ 45
17.21.2 - Operation ____________________________________________________________________________ 45
(Breaker Failure) ____________________________________________________________ 45
17.22.2 - Operation ____________________________________________________________________________ 45
(Oscillographic Recording) _____________________________________________________ 46
17.23.2 - Operation ____________________________________________________________________________ 46
(Control C/B) _____________________________________________________________ 52
(External Reset Configuration) _______________________________________________ 54
18.2.1 – Example ______________________________________________________________________________ 55