Siemens SIPROTEC 7UT613 series Manual page 448

4 Technical Data
Dropout Time Curves as per ANSI/IEEE
448
Acc. to ANSI/IEEE (see also Figures 4-9 to 4-12)
The reset time characteristics apply to (I/Ip) ≤ 0,90
For residual current read 3I0p instead of I
for earth faults read I instead of I
Ep
and T instead of T
p 3I0p
and T instead of T
IEp
p p
;
p
7UT613/63x Manual
C53000-G1176-C160-2