Siemens 7SR51 - Logic of the Function; Application and Setting Notes

Logic of the Function
[lo_7SR5_46BClogicdiagram, 1, en_US]
Figure 5-10
Logic Diagram: 46BC Broken Conductor Detection
Application and Setting Notes
Parameter: 46BC Common > UC Guard Setting
•
Default setting: 0.1 x I
n
(0.1 ⋅ I
rated
)
If the negative
Parameter: 46BC-n Element
•
Default setting: Disabled
This setting is used to allow the element to be switched on or off if it is not required.
5.8.3
5.8.4
Protection and Automation Functions
5.8 46BC Broken Conductor Detection
Reyrolle 7SR5, Overcurrent Protection Device, Device Manual 191
C53000-G7040-C014-1, Edition 11.2019