RESIN BUSHING INSULATORS — ISOLEX

Bushing insulators
in Resin


Bushing resin insulators are produced using epoxy compounds or other thermosetting resins, which allow continuous operation at 200 °C and largely higher for a short time.

The material of the conductive bar is usually silver plated copper, in order to assure the maximum conductivity; other materials can be used on demand. Shape and dimensions of terminals can be chosen according to specific requirements. A rubber washer is supplied for water tightening, when required.

CTI index for evaluation of the resistance to tracking is higher than 600, means the maximum level considered by EN standards.


Maximum current

Dielectric test

Fixing template

Vanishing line (internal)

Clearance in air (indoor)

Escape line (external)

Distance in air (outdoor)

Go to the tab

Measure

A

kV

mm

mm

mm

mm

mm

Serie 1

400

10

30x30

13

13

44

41

Serie 2

400

11

30x30

53

39

91

45

Serie3

400

14

30x30

95

46

91

45

Serie 3A

400

14

30x30

95

46

117

56

Serie 3B

500

14

37x37

38

36

60

41

Serie 4

800

14

50x50

80

48

114

60

Serie 4A

800

14

50x50

105

58

114

60

Serie 5

1000

14

61x61

77

41

142

70

Serie 6

800

14

50x50

231

94

251

93

Ellittico C-C

1200

14

90x55

137

63

155

70

Ellittico C-L

1200

14

90x55

135

53

273

98

Ellittico L-C

1200

14

90x60

135

53

273

98

Ellittico L-L

1200

14

90x55

135

63

273

98

Siemens - S1

500

4,2

60x60

24,5

24,5

24,5

24,5

S2

1000

4,2

70x70

27

22

57

40

S3

1600

4,2

85x85

26

24

78

26

Serie 7

3600

18

155x155

200

200

380

90,00

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