Manual 7SJ46
Technical Data
C53000-K1174-C002-4
75
Pickup times
Reset ratio
Tolerances
Definite time (DT O/C 50/51)
Inverse time (IEC 51 or ANSI 51)
Measured value deviations due to various influences
Complete device
approx. 38 ms
Reset 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 (at threshold < I
N
)
Delay times T
1 % or 30 ms
Pick-up thresholds
5 % of the setting value, or 5 % of the
rated value (at threshold < I
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%
DC components:
< 5%
DC power supply voltage in the
range 0.8
≤
U
H
/U
HN
≤
1.2
AC power supply voltage in the
range 0.8
≤
U
H
/U
HN
≤
1.15
< 1%
< 1%
Temperature in range
– 5°C to +70°C
< 0.5 % / 10 K
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