ANSI Class

57-1L

57-2L

57-3L

57-4L

57-5L

Creepage Distance (mm)

356

559

737

1015

1143

Dry Arcing Distance(mm)

165

241

311

368

438

Cantilever Strength (KN)

12.5

12.5

12.5

12.5

12.5

Low Frequency Dry Flashouer(kv)

80

110

125

150

175

Low Frequency Wet Flashover (kv)

60

85

100

125

150

Critical Impulse Flashover Pos(kv)

30

180

210

255

290

Critical Impulse Flashover Neg(kv)

155

205

260

340

380

Test Voltage To Ground(kv)

15

22

30

44

44

Maximum RIV at 1000KHZ (uv)1000KHZ

100

100

200

200

200

Net Weight Each Approx(kg)

5.0

9.5

11

16

18

Number in standard package

6

3

3

2

2