Siemens 3AH Series Instructions Manual page 24

Mai n tenance
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50,000
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B rea ki ng c urrent ( sym. wl ue) - -
100,000
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B reaking c u rrent (s y m . v a ue ) --
Figure 17. Typical Vacuu m Interrupter Contact Life Curves
5 1oo
20 I I 5o
10
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5 10 100
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Break i ng c urrent (sym. va ue) --
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Breaking current ( sym . value )
10 20 100
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10 20 50 1oo
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-
24