Siemens SIPROTEC 7UT613 series Manual page 444

4 Technical Data
Trip Time Curves acc. to IEC
Dropout Time Curves as per IEC
444
Acc. to IEC 60255-3 or BS 142, Section 3.5.2 (see also Figure and 4-8)
The tripping times for I/I
p
For residual current read 3I0p instead of I
for earth faults read I instead of I
Ep
Pickup Threshold
Acc. to IEC 60255-3 or BS 142, Section 3.5.2 (see also Figure and 4-8)
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
≥ 20 are identical to those for I/I
and T
p 3I0p
and T instead of T
IEp
p
and T
p 3I0p
and T instead of T
IEp
p
= 20.
p
instead of T ;
p
p
approx. 1.10 · I
p
instead of T ;
p
p
7UT613/63x Manual
C53000-G1176-C160-2