Technical Data
10-31
7SA6 Manual
C53000-G1176-C156
Overcurrent stages
Pickup values
I
P
(phases)
0.10 A to 25.00 A
1
)
(steps 0.01 A)
or
∞
(ineffective)
3I
0P
(earth)
0.05 A to 25.00 A
1
)
(steps 0.01 A)
or
∞
(ineffective)
Time delays
T
IPh>
(phases) 0.00 s to 30.00 s
(steps 0.01 s)
or
∞
(ineffective)
T
3I0>
(earth)
0.05 s to 30.00 s
(steps 0.01 s)
or
∞
(ineffective)
Drop-off to pick-up ratio
approx. 0.95 for I/I
N
≥
0.5
Pick-up time
ca. 25 ms
Drop-off time
ca. 30 ms
Tolerances
currents
3 % of set value or 1% nominal current
times
1 % of set value or 10 ms
The set times are pure delay times.
1
) Secondary values based on I
N
= 1 A; for I
N
= 5 A they must be multiplied by 5.
Overcurrent stages
(inverse time acc.
IEC)
Pickup values
I
P
(phases)
0.10 A to 4.00 A
1
)
(steps 0.01 A)
or
∞
(ineffective)
3I
0P
(earth)
0.05 A to 4.00 A
1
)
(steps 0.01 A)
or
∞
(ineffective)
Time factors
T
IP
(phases)
0.05 s to 3.00 s
(steps 0.01 s)
or
∞
(ineffective)
T
3I0P
(earth)
0.05 s to 3.00 s
(steps 0.01 s)
or
∞
(ineffective)
Additional time delays
T
IPadd
(phases.)0.00 s to 30.00 s
(steps 0.01 s)
T
3I0Padd
(earth) 0.00 s to 30.00 s
(steps 0.01 s)
Characteristics
see Figure 10-1 (in Section 10.5)
Tolerances
currents
Pick-up
at 1.05
≤
I/I
P
≤
1.15;
or 1.05
≤
I/3I
0P
≤
1.15
times
5 % ± 15 ms
for 2
≤
I/I
P
≤
20
and T
IP
/s
≥
1;
or 2
≤
I/3I
0P
≤
20
and T
3I0P
/s
≥
1
def. times
1 % of set value or 10 ms
The set times are pure delay times with definite time protection.
1
) Secondary values based on I
N
= 1 A; for I
N
= 5 A they must be multiplied by 5.
Overcurrent stages
(inverse time acc.
ANSI)
Pickup values
I
P
(phases)
0.10 A to 4.00 A
1
)
(steps 0.01 A)
or
∞
(ineffective)
3I
0P
(earth)
0.05 A to 4.00 A
1
)
(steps 0.01 A)
or
∞
(ineffective)
Summary of Contents for siprotec 7SA6
Page 2: ...Siemens Aktiengesellschaft Book No C53000 G1176 C156 2 ...
Page 18: ...xviii 7SA6 Manual C53000 G1176 C156 2 ...
Page 32: ...Introduction 1 14 7SA6 Manual C53000 G1176 C156 2 ...
Page 82: ...Hardware and Connections 2 50 7SA6 Manual C53000 G1176 C156 2 ...
Page 119: ...SIPROTEC 4 Devices 4 25 7SA6 Manual C53000 G1176 C156 2 Figure 4 20 CFC Logic example ...
Page 190: ...Configuration 5 62 7SA6 Manual C53000 G1176 C156 2 ...
Page 652: ...Installation and Commissioning 8 78 7SA6 Manual C53000 G1176 C156 2 ...
Page 724: ...Technical Data 10 56 7SA6 Manual C53000 G1176 C156 ...
Page 800: ...Appendix A 76 7SA6 Manual C53000 G1176 C156 2 ...
Page 866: ...Appendix B 66 7SA6 Manual C53000 G1176 C156 2 ...
