Siemens SIPROTEC 7UT635*-* N series - Page 448

4 Technical Data
448
7UT613/63x Manual
C53000-G1176-C160-2
Dropout Time Curves as per ANSI/IEEE
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
p
and T
3I0p
instead of T
p
;
for earth faults read I
Ep
instead of I
p
and T
IEp
instead of T
p