50Bf Circuit Breaker Fail; Reference; Operate And Reset Level; Operate And Reset Time - Siemens 7SR18 Solkor Manual

7SR18 Performance Specification
3.2

50BF Circuit Breaker Fail

3.2.1

Reference

Parameter
Is Setting
I4 Setting
t Stage 1 Delay setting
CBF1
t Stage 2 Delay setting
CBF2
3.2.2

Operate and Reset Level

Attribute
I Operate level
op
I Reset level
reset
Repeatability
Variation
3.2.3

Operate and Reset Time

Attribute
Stage 1
t
op
Stage 2
Repeatability
Overshoot
Disengaging time
Unrestricted Page 40 of 44
-10 °C to +55 °C
f ± 5 %
nom
Value
0.050, 0.055... 2.0 xIn
0.050, 0.055... 2.0 xIn
20, 25... 60000 ms
20, 25... 60000 ms
Value
100 % Is, ± 5 % or ± 1 % In
<100 % I , ± 5 % or ± 1 % In
op
± 1 %
£ 5 %
£ 5 %
Value
, ± 1 % or ± 20 ms
t
CBF1
, ± 1 % or ± 20 ms
t
CBF2
± 1 % or ± 20 ms
< 2 x 20 ms
< 20 ms
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