Siemens Reyrolle 7SR5 - Page 512

Operate and Reset Level
Attribute Value
I
op
Operate level 105 % I
set
: ± 4 % or ± 1 % I
rated
Reset level > 95 % I
op
Repeatability ± 1 %
Variation IEC
60255-1
-10 °C to +55 °C ≤ 5 %
f
rated
± 5 % ≤ 5 %
Operate and Reset Time
Attribute Value
Starter operate time (≥ 2 ⋅ I
set
) 35 ms ± 10 ms
t
op
Operate time char = IEC-NI,
IEC-VI,
IEC-EI,
IEC-LTI
± 5 % or ± 50 ms
IEC-NI: K = 0.14, α = 0.02
IEC-VI: K = 13.5, α = 1
IEC-EI: K = 80, α = 2
IEC-LTI: K = 120, α = 1
char = ANSI-MI,
ANSI-VI,
ANSI-EI
± 5 % or ± 50 ms
ANSI-MI: A = 0.0515, B = 0.114, P = 0.02
ANSI-VI: A = 19.61, B = 0.491, P = 2
ANSI-EI: A = 28.2, B = 0.1217, P = 2
char = DTL t
delay
± 1 % or ± 20 ms
Reset time ANSI Decaying
± 5 % or ± 50 ms
ANSI-MI: R = 4.85
ANSI-VI: R = 21.6
ANSI-EI: R = 29.1
t
reset
t
reset
± 1 % or ± 20 ms
Repeatability ± 1 % or ± 20 ms
Overshoot time < 40 ms
Disengaging time < 60 ms
Technical Data
10.8 46 Negative-Sequence Overcurrent Protection
512 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019