Siemens SIPROTEC 4 7UT6 Series User Manual

Tolerances with definite time (IEC)
2)
Currents Pickup
at 1.05 ≤ Ι/Ι
P
≤ 1.15;
or 1.05 ≤ Ι/3Ι0P ≤
1.15
Times 5 % ± 15 ms
5 % ± 45 ms
at f
N
= 50/60 Hz
at f
N
= 16.7 Hz
for 2 ≤ Ι/Ι
P
≤ 20
and T
ΙP
/s ≥ 1;
or 2 ≤ Ι/3Ι
0P
≤ 20
and T
3Ι0P
/s ≥ 1
Tolerances with definite time (ANSI)
2)
Times 5 % ± 15 ms
5 % ± 45 ms
at f
N
= 50/60 Hz
atf
N
= 16.7 Hz
for 2 ≤ Ι/Ι
P
≤ 20
for 2 ≤ Ι/Ι
P
≤ 20
and D
ΙP
/s ≥ 1;
and D
3Ι0P
/s ≥ 1
The set times are pure delay times.
1)
Secondary values for Ι
N
= 1 A; for Ι
N
= 5 A the currents must be multiplied by 5.
2)
With one 3-phase measuring location and Ι/Ι
N
= 1 A/5 A
Operating Times of the Definite Time Stages
7UT612
Pickup time / dropout time phase current stages
Pickup time at frequency 50 Hz 60 Hz
without inrush restraint, min.
without inrush restraint, typical
20 ms
25 ms
18 ms
23 ms
with inrush restraint, min.
with inrush restraint, typical
40 ms
45 ms
35 ms
40 ms
Dropout time, typical 30 ms 30 ms
Pickup time / dropout time residual current stages
Pickup time at frequency 50 Hz 60 Hz
without inrush restraint, min.
without inrush restraint, typical
40 ms
45 ms
35 ms
40 ms
with inrush restraint, min.
with inrush restraint, typical
40 ms
45 ms
35 ms
40 ms
Dropout time, typical 30 ms 30 ms
7UT613/63x
Pickup time / dropout time phase current stages
Pickup time at frequency 50 Hz 60 Hz 16,7 Hz
without inrush restraint,- 2 x Pickup Value
without inrush restraint,- 10 x Pickup Value
26 ms
16 ms
22 ms
17 ms
47 ms
19 ms
with inrush restraint,- 2 x Pickup Value
with inrush restraint,- 10 x Pickup Value
44 ms
36 ms
39 ms
31 ms
105 ms
77 ms
Dropout time, approx. 33 ms 30 ms 51 ms
Technical Data
4.4 Time Overcurrent Protection for Residual Current
SIPROTEC 4, 7UT6x, Manual 417
C53000-G1176-C230-5, Edition 09.2016

Siemens SIPROTEC 4 7UT6 Series Specifications

General

Brand	Siemens
Model	SIPROTEC 4 7UT6 Series
Category	Protection Device
Language	English