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Pin Type Insulators-1

Availability:
Quantity:
  • 56-1、​56-2、56-3、56-4、56-5





The following pin insulators comply with the ANSI Standard.

The glaze colour of the insulators are brown, light gray, white, etc...

Fig

1

1

2

2

3

Class ANSI

56-1

56-2

56-3

56-4

56-5




Main Dimensions (mm)

H

146

165

191

241

318

h

50.8

50.8

50.8

50.8

63.5

D

191

228

267

305

343

d

34.9

34.9

34.9

34.9

34.9

d1

19

19

19

19

19

R2

14

14

14

14

14

Nominal Voltage(kV)

23

23

35

46

69

Creepage Distance(mm)

330

430

533

685

865

Minimum Flashover Voltage

Power-

frequency

Dry/kv

95

110

125

140

175

Wet/kv

60

70

80

95

125

50%Impulse

Pos/kV

150

175

200

225

270

Neg/kV

190

225

265

310

340

Radio-Influence Voltage Data

Test Voltage to Ground/kV

15

22

30

30

44

Maximum RIV at 1000kHz(kV)

100

100

200

200

200

Low-Frequency Puncture Voltage Average/kV

130

145

165

186

225

Dry Arcing Distance(mm)

178

210

241.3

286

356

Cantilever Failing Load(kN)

1134

1360

1360

1360

1360

Weight (kg)

3.7

5.3

7

10.8

13.5



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