Time Delayed Overcurrent; Reference; Operate And Reset Level - Siemens 7SR18 Solkor Manual

7SR18 Performance Specification
2.7

51 Time Delayed Overcurrent

2.7.1

Reference

Parameter
Is Setting
char Characteristic setting
Tm Time Multiplier setting
t Delay setting
d
t Reset setting
res
Applied Current
I
(for operate time)
2.7.2

Operate and Reset Level

Attribute
I Operate level
op
Reset level
Repeatability
Variation
Unrestricted Page 26 of 44
IDMTL 2 to 20 x ls
DTL 5 x Is
-10 °C to +55 °C
f ± 5 %
nom
Value
0.05, 0.06... 2.5 xIn
IEC-NI, -VI, -EI, -LTI;
ANSI-MI, -VI, -EI; DTL
0.025, 0.05... 1.6, 1.7... 5, 6... 100
0, 0.01... 20 s
ANSI DECAYING, 0, 1... 60 s
Value
105 % Is, ± 4 % or ± 1% In
³ 95 % I
op
± 1 %
£ 5 %
£ 5 %
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