Class ANSI

55-1

55-2

55-3

55-4

55-5

Creepage Distance

102

127

178

229

305

Dry arcing distance

57

86

114

127

159

Cantilever strength (KN)

13

11

11

13

13

Low frequency dry flashover voltage

35

45

56

65

80

Low frequency wet flashover voltage

20

25

30

35

45

Critical impulse flashover pos(kv)

50

70

90

105

130

Critical impulse flashover Neg(kv)

70

85

110

130

150

Power-frequency puncture voltage(kv)

50

70

90

95

115

Test voltage to ground (kv)

5

5

10

10

15

Maximum RIV at 1000HZ(uv)

50

50

50

50

100

Net weight each approx(kg)

0.5

0.65

1

1.55

2.75

Number in standard package

60

40

30

16

12