Manual 7SJ46 Technical Data
C53000-K1174-C002-4 75
Pickup times
Reset ratio
Tolerances
Definite time (DT O/C 50/51)
Inversetime(IEC51orANSI51)
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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