Siemens 7SR10 Argus Series Manual page 130

Overcurrent relay
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7SR10 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 2.12-3
ANSI Reset Curves (Time Multiplier=1)
© 2018 Siemens Protection Devices Limited
Chapter 3 Page 32 of 52

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