[dwocpka4-080213-01.tif, 2, en_US]
Figure 12-6
Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Frequency Operating Range
0.9 ≤ f/f
rated
≤ 1.1
According to specified tolerances
10 Hz ≤ f < 0.9 f
rated
1.1 f
rated
< f ≤ 90 Hz
Slightly expanded tolerances
f < 10 Hz
f > 90 Hz
Active
Tolerances
Currents, method of measurement = fundamental
component
1 % of the setting value or 5 mA (I
rated
= 1 A)
or 25 mA (I
rated
= 5 A), (f
rated
± 10 %)
Currents, method of measurement = RMS value, no filter applied
(33 % harmonics, in relation to fundamental component)
Up to 30th harmonic
1 % of the setting value or 5 mA (I
rated
= 1 A)
or 25 mA (I
rated
= 5 A), (f
rated
± 10 %)
Up to 50th harmonic, f
rated
= 50 Hz
3 % of the setting value or 20 mA (I
rated
= 1 A)
or 100 mA (I
rated
= 5 A), (f
rated
± 10 %)
Up to 50th harmonic, f
rated
= 60 Hz
4 % of the setting value or 20 mA (I
rated
= 1 A)
or 100 mA (I
rated
= 5 A), (f
rated
± 10 %)
Currents, method of measurement = RMS value
with filter for the compensation of the amplitude attenuation due to the anti-aliasing filter
(33 % harmonics, in relation to the fundamental component)
Up to 30 harmonic
1 % of the setting value or 5 mA (I
rated
= 1 A)
or 25 mA (I
rated
= 5 A), (f
rated
± 10 %)
Technical Data
12.6 Overcurrent Protection, Phases
814
SIPROTEC 5, Merging Unit 6MU85, Manual
C53000-G5040-C074-1, Edition 01.2020