B1

B2

C

E

mm²

Single-core cables in protection tubes or installation ducts

Multi-core cables in protection tubes or installation ducts

Multi-core cables, vertically or horizontally on walls/open, without protection tubes and installation ducts/with contact

Multi-core cables, horizontally or vertically on perforated cable racks/open, without protection tubes and installation ducts/with contact

Electronics¹⁾

0.20

–

4.3

4.4

4.4

0.50

–

7.5

7.5

7.8

0.75

–

9

9.5

10

Power²⁾

0.75

8.6

8.5

9.8

10.4

1.00

10.3

10.1

11.7

12.4

1.50

13.5

13.1

15.2

16.1

2.50

18.3

17.4

21

22

4

24

23

28

30

6

31

30

36

37

10

44

40

50

52

16

59

54

66

70

25

77

70

84

88

35

96

86

104

110

50

117

103

125

133

70

149

130

160

171

95

180

165

194

207

120

208

179

225

240

30 (86)

1.15

35 (95)

1.08

40 (104)

1.00

45 (113)

0.91

50 (122)

0.82

55 (131)

0.71

60 (140)

0.58