Siemens 7SR18 Solkor - Page 139

7SR18 Performance Specification
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Figure 2.3.3-1 Thermal Overload Protection Curves
0.1
1
10
100
1000
10000
100000
0 1 2 3 4 5 6 7 8 9 10
Current (multiple of setting)
Time
(sec)
τ
= 1000 mins
τ
= 100 mins
τ
= 10 mins
τ = 1 min