Siemens SIPROTEC 7UT635*-* N series User Manual

4 Technical Data
454
7UT613/63x Manual
C53000-G1176-C160-2
Operating Times of the Definite Time Stages
Dropout to Pickup Ratios
Inrush Restraint
Frequency
Pickup time / dropout time
Pickup time at frequency 50 Hz 60 Hz 16.7 Hz
without inrush restraint, min.
1
) 11ms 11ms 16ms
with inrush restraint, min.
1
) 33ms 29ms 76ms
Dropout time, approx. 35 ms 35 ms 60 ms
1
) for high-speed relays, the pick-up times decrease by 4.5 ms
Current stages approx. 0.95 for I/I
N
≥ 0.5
Inrush restraint ratio
(2nd harmonic) I
2fN
/I
fN
10 % to 45 % Steps 1 %
Lower operation limit I >0.2A
1)
Max. current for restraint 0.30 A to 25.00 A
1)
Steps 0.01 A
1)
Secondary values for I
N
= 1 A; for I
N
= 5 A the currents must be multiplied by 5.
Frequency influence within the frequency tagging range

Siemens SIPROTEC 7UT635*-* N series Specifications

General

Brand	Siemens
Model	SIPROTEC 7UT635*-* N series
Category	Protection Device
Language	English