Siemens 7SR51 - Logic of the Function

Logic of the Function
[lo_7SR5_51logicdiagram, 1, en_US]
Figure 5-21
Logic Diagram: 51 Time Delayed Overcurrent – Phase
5.17.3
Protection and Automation Functions
5.17 51 Time-Delayed Overcurrent – Phase
252 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019