Manual 7SJ45
Technical Data
C53000-K1174-C001-7
78
Dropout / pickup ratio
Tolerances
Definite time (DT O/C 50/51)
Inverse time (IEC 51 or ANSI 51)
Measured value deviations due to various influences
Dropout/pickup ratio
approx. 0.95 for definite time protection
(DT O/C 50/51)
approx. 0.91 for inverse-time protection
(IEC 51 or ANSI 51)
Pickup current I>, I>>, IE>
5 % of the setting value, or 5 % of the
rated value (for thresholds < 1I
N
)
Delay times T
1 % or 30 ms
Pick-up thresholds
5 % of the setting value, or 5 % of the
rated value (for thresholds < 1I
N
)
Time behavior for 2
≤
I/I
P
≤
20
5 % or 50 ms
Frequency in range
0.95 < f/f
N
< 1.05:
< 2,5%
Frequency in range
0.9 < f/f
N
< 1.1:
< 10%
Harmonics:
up to 10% 3rd and 5th harmonic:
< 1%
Direct components:
< 5%
Temperature in range -5°C to
70°C
< 0.5 % / 10 K
