Siemens SIPROTEC 7SJ80

Current at Maximum Time Delay
for Ι
N
= 1 A
0.001 A to 2.400 A Incre-
ments0.001 A
for Ι
N
= 5 A
0.005 A to 7.000 A
Current at Minimum Time Delay
for Ι
N
= 1 A
0.003 A to 4.000 A Incre-
ments0.001 A
for Ι
N
= 5 A
0.015 A to 20.000 A
Current at Knee Point
for Ι
N
= 1 A
0.003 A to 4.000 A Incre-
ments0.001 A
for Ι
N
= 5 A
0.015 A to 20.000 A
Time delay at Knee Point 0.20 s to 100.00 s Incre-
ments0.01 s
Minimum Time Delay 0.10 s to 30.00 s Incre-
ments0.01 s
Maximum Time Delay 0.50 s to 300.00 s Incre-
ments0.01 s
Delay Time T of the whole function -0.50 s to 30.00 s Incre-
ments0.01 s
TNP Setting Ranges / Increments
Pickup current 0.05 A to 4.00 A Increments
0.01 A
Current at Maximum Time Delay 0.05 A to 4.00 A Increments
0.01 A
Current at Minimum Time Delay 0.05 A to 20.00 A Increments
0.01 A
Current at Knee Point 0.05 A to 17.00 A Increments
0.01 A
Time delay at Knee Point 0.20 s to 100.00 s Increments
0.01 s
Minimum Time Delay 0.10 s to 30.00 s Increments
0.01 s
Maximum Time Delay 0.50 s to 300.00 s Increments
0.01 s
Delay Time T of the whole function -0.50 s to 30.00 s Increments
0.01 s
Technical Data
4.14 Ground Fault Detection (Sensitive/Insensitive)
398 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017