Siemens Reyrolle 7SR5 - 9.5 Direction Test of the Earth Quantities for Directional Earth-Fault Functions

Logic of the Function
[lo_7SR5_52CBStatuslogicdiagram, 1, en_US]
Figure 7-2
Logic Diagram: 52 Circuit-Breaker Control Status
7.2.3
Control Functions
7.2 52 Circuit-Breaker Control
410 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019