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Home  »  Products  »  Porcelain Insulator » Porcelain Spool Insulator
 

Porcelain Spool Insulator

The spool insulators supplied by Winning Electrical are manufactured from wet process porcelain. This process allows the spool insulators to shed water and keep dirt away, thus requiring little-to-no maintenance. They are shaped like spinning spools, which allow them to hold wires in place, and keep them from slipping off. These spool insulators are designed, manufactured and tested to the spool insulator requirements of ANSI Standard C29.3.




Standard

Type

Fig.

Main Dimensions

Strength

(kN)

Low Frequency

Flashover Voltage (kV)

H

D

d1

R

Dry

Wet

Vertical

Horizontal

ANSI-53-1

1

54

57

17.5

11

8.9

20

8

10

ANSI-53-2

1

76

80

17.5

17.5

13.3

25

12

15

ANSI-53-3

2

81

76

17.6

11

17.8

25

12

15

ANSI-53-4

1

76

105

17.5

16

20

25

25

15

ANSI-53-5

3

105

102

17.5

11

27

35

18

25

AS-R-1

4

54

57

17

12

9

20

8

9.2

AS-R-2

4

76

80

17.5

17.5

20.1

15

66

9

AS-R-8

4

32

57.5

17.5

9

5

20

9

12.5

BS-1617

5

65

76

17.5

9

9.2

20

10

9

BS-1617B

5

75

89

17

12.5

10.2

25

12

12

Standard color is sky gray, with brown or white available upon request.

Porcelain Stay Insulator

 
 
 
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