Siemens Argus 7SR22 - Page 352

7SR21 & 7SR22 Performance Specification
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1
10
100
1000
0.1 1
Current (multiples of setting)
Time
(sec)
Moderately Inverse
Extremely Inverse
Very Inverse
0.2
0.3
0.4
0.5
0.6 0.8 0.90.7
5
50
500
Figure 2-4 ANSI IDMTL Reset Curves (Time Multiplier = 1)