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ABB VD4 User Manual

ABB VD4
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11
2.4 Permissible number of vacuum interrupter switching operations
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
234567810920304050
10
Breaking current l
a
(kA)
Number of operating cycles n
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
234567810920304050
10
Breaking current l
a
(kA)
Number of operating cycles n
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
234567810920304050
10
Breaking current l
a
(kA)
Number of operating cycles n
0,05
5
0,1 0,2 0,3 0,4 0,5 0,6 0,8 1
6
7
8
10
2
3
4
5
6
7
8
10
2
2
3
4
5
6
7
8
10
3
2
3
4
5
6
7
8
4
2
3
4
5
6
7
8
10
5
234567810920304050
10
Breaking current l
a
(kA)
Number of operating cycles n
Diagram C) Diagram D)
Diagram A) Diagram B)
Figure 2/9: Permissible number of vacuum interrupter operating cycles n as a function of the breaking current I
a
.
(Reference see section 2.1 and 3.1 – Technical data page 6 and 17)

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ABB VD4 Specifications

General IconGeneral
BrandABB
ModelVD4
CategoryIndustrial Equipment
LanguageEnglish

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