Standard I/O Modules
SICAM A8000 Series, SICAM I/O Modules Unrestricted 67
DC8-012-2.06, Edition 09.2019
2.9.3.1 Accuracy of the Measured Values
Measured variable
Dependency of accuracy class acc. to
IEC 61557-12:2007-08 (K55)
Voltage U 1%
Phase current I 1% at nominal frequency
Power P 3%
Reactive power Q 3%
Apparent power S 3%
Power factor 3%
Frequency f (49…51/59…61 Hz) 1%
2.9.3.2 Accuracy of the Measured Ground Current with
Isolated/Resonant Ground Connection
Measured variable
Dependency of accuracy class acc. to
IEC 61557-12:2007-08 (K55)
Ground current I
setting 0.4…1.9 A 2.0…2000 A
Measuring range 0.2…2.43 A @ 50/60 Hz 2.44…600 A @ 50/60 Hz
Accuracy
±0.1 A for current range
0.2…2.43 A
±0.18 A for current range
2.44…11.99 A
±1% for current range 12…600 A
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