7SR21 & 7SR22 Performance Specification
100000
10000
t = 1000 mins
1000
Time
(sec)
t = 100 mins
100
t = 10 mins
10
t = 1 min
1
0.1
0
1
2
3
4
5
6
7
8
9
10
Current (multiple of setting)
Figure 2-1
Thermal Overload Protection Curves
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