Siemens 7SC80 Manual page 552

Technical Data
4.15 Ground Fault Detection (Sensitive/Insensitive)
Current values Ι1, Ι for angle correction
for sensitive 1 A transformer
for sensitive 5 A transformer
for normal 1 A transformer
for normal 5 A transformer
Measurement tolerance
sensitive
non-sensitive
Note: Due to the high sensitivity, the linear range of the measuring input Ι
transformer is from 0.001 · Ι
tion can no longer be guaranteed.
552
0.001 A to 1.600 A
0.005 A to 8.000 A
0.05 A to 36.00 A
0.25 A to 175.00 A
3 % of setting value or 1 mA
for Ι = 1 A
Nom
for Ι = 5 A 3 % of setting value or 5 mA
Nom
for setting values < 10 mA ca. 20 %
for Ι = 1 A 3 % of setting value or 15 mA
Nom
for Ι = 5 A 3 % of setting value or 75 mA
Nom
to 1.6 · Ι . For currents greater than 1.6 · Ι
Nom Nom
Increments 0.001 A
Increments 0.005 A
Increments 0.01 A
Increments 0.05 A
with integrated sensitive input
N
, correct direction determina-
Nom
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017