Siemens SIPROTEC 7UT63 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 7UT63 series Specifications

General

Brand	Siemens
Model	SIPROTEC 7UT63 series
Category	Protection Device
Language	English