Siemens SIPROTEC 4 7UT6 Series - Page 137

[logik-hochstromstufen-i-fuer-phase, 1, en_GB]
Figure 2-67
Logic diagram of the high-set stages I>> for phase currents (simplified)
Functions
2.4 Time Overcurrent Protection for Phase and Residual Currents
SIPROTEC 4, 7UT6x, Manual 137
C53000-G1176-C230-5, Edition 09.2016