7SR242 Duobias Performance Specification
©2010 Siemens Protection Devices Limited Chapter 3 - Page 34 of 45
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 Reset Curves (Time Multiplier=1)
