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Suspension Porcelain Insulators Normal Type-3

Availability:
Quantity:
  • A4427、A4428、A4429、A4430




图片18

  



Cat. No.

A4427

A4428

A4429

A4430

Fig

2

1

3

3

Class

U70BL

U70C

U80B

U80B

Unit spacing (H) mm

146

146

146

140

Nominal diameter (D) mm

200

200

255

255

Nominal Creepage Distance (mm)

210

210

295

295

Rated E&M failing load (kN)

70

70

80

80

Routine tensile load (kN)

35

35

40

40

Coupling size

16A/16B

16C

16A/16B

16A/16B

Impact strength (n.m)

6

6

6

6

Power frequency withstand voltage

Wet (kv)

30

30

40

40

Dry (kv)

50

50

70

70

Dry lighting impulse withstand voltage (kV)

80

80

100

100

Power frequency punctured voltage (kV)

110

110

110

110

Radio-Interference-

Voltage

Test Voltage to ground (kV)

10

10

10

10

Maximum RIV at 1MHz (µV)

50

50

50

50

Weight (kg)

3.7

3.7

5.1

5.0

Applicable Standard: IEC, GB, AS, BS













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