Siemens Argus 7SR21 Technical Manual page 352

7SR21 & 7SR22 Performance Specification
1000
500
100
50
Extremely Inverse
Very Inverse
Time
(sec)
10
Moderately Inverse
5
1
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Current (multiples of setting)
Figure 2-4 ANSI IDMTL Reset Curves (Time Multiplier = 1)
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