Siemens 7SR224 - Time Delayed Measured Earth Fault; Reference; Operate and Reset Level

7SR224 Argus Performance Specification
2.10 51G Time Delayed Measured Earth Fault
2.10.1 Reference
Parameter Value
Is
Setting 0.005, 0.006 …0.100, 0.105… 1.0 xIn
Char
Characteristic setting
IEC-NI, -VI, -EI, -LTI;
ANSI-MI, -VI, -EI; DTL
Manufacturer specific curves
See ‘Performance Specification Appendix 1’
Tm
Time Multiplier setting 0.025, 0.05… 1.6
t
d
Delay setting (DTL) 0, 0.01… 20 s
t
res
Reset setting ANSI DECAYING, 0, 1… 60 s
IDMTL 2 to 20 xIs
I
Applied current (for
operate time)
DTL 5 xIs
2.10.2 Operate and Reset Level
Attribute Value
I
op
Operate level
105 % Is, ± 4 % or ± 1% In
Reset level
≥ 95 % I
op
Repeatability
± 1 %
-10 °C to +55 °C
≤ 5 %
Variation
f
nom
- 3 Hz to f
nom
+ 2 Hz
≤ 5 %
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