Suspension Porcelain Insulators Anti-Pollution Suspension Porcelain Insulator(Double-shed)-1

Fig

1

1

2

1

Unit spacing (H) mm

160

146

146

160

Nominal diameter (D) mm

255

255

255

280

Nominal Creepage Distance (mm)

400

400

400

450

Rated E&M failing load (kN)

70

70

70

70

Routine tensile load (kN)

35

35

35

35

Coupling size

16

16

16C

16

Power frequency withstand voltage

Wet (kv)

42

42

42

42

Dry (kv)

80

80

80

80

Dry lighting impulse withstand voltage (kV)

120

120

120

120

Power frequency punctured voltage (kV)

120

120

120

120

Radio-Interference-Voltage

Test Voltage to ground (kV)

10

10

10

10

Maximum RIV at 1MHz (µV)

50

50

50

50

Weight (kg)

5.92

5.90

6.00

7.00

Applicable standard: IEC GB AS BS