Siemens 7SR18 Solkor - Time Delayed Measured Earth Fault; Reference; Operate and Reset Level

7SR18 Performance Specification
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2.8 51G Time Delayed Measured Earth Fault
2.8.1 Reference
Parameter Value
Is Setting 0.05, 0.06… 2.5 xIn
Char Characteristic setting
IEC-NI, -VI, -EI, -LTI;
ANSI-MI, -VI, -EI; DTL
Tm Time Multiplier setting 1.0 (0.025,0.05…100)
t
d
Delay setting (DTL) 0, 0.01… 20 s
t
res
Reset setting ANSI DECAYING, 0, 1… 60 s
I
Applied current (for
operate time)
IDMTL 2 to 20 xIs
DTL 5 xIs
2.8.2 Operate and Reset Level
Attribute Value
I
op
Operate level
105 % Is, ± 4 % or ± 1% In
Reset level
≥ 95 % I
op
Repeatability
± 1 %
Variation
-10 °C to +55 °C
≤ 5 %
f
nom
± 5 %
≤ 5 %