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Suspension Porcelain Insulators Normal Type

Availability:
Quantity:
  • A4409、A4410、A4411、A4412




图片13

  



Cat. No.

A4409

A4410

A4411

A4412

Fig

2

1

2

1

Class ANSI

52-4

52-5

52-6

52-8

Unit spacing (H) mm

146

146

146

146

Nominal diameter (D) mm

255

255

255

255

Nominal Creepage Distance (mm)

292

280

280

320

Combined M&E strength (kN)

70

111

111

160

Tension proof test load (kN)

35

55.5

55.5

80

Mechanical impact strength (n.m)

6

7

7

10

Low frequency flashover voltage

Wet (kv)

50

50

50

50

Dry (kv)

80

80

80

80

Critical-Impulse flashover voltage

Positive (kV)

125

125

125

125

Negative (kV)

130

130

130

130

Low frequency punctured voltage

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)

4.9

5.6

5.6

6.7

Applicable standard: ANSI C29.2








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