Suspension Porcelain Insulators Anti-Pollution Suspension Porcelain Insulator(Double-shed)-4

Fig

1

2

2

Unit spacing (H) mm

155

170

170

Nominal diameter (D) mm

300

330

340

Nominal Creepage Distance (mm)

450

450

525

Rated E&M failing load (kN)

160

160

160

Routine tensile load (kN)

80

80

80

Coupling size

20

20

20

Power frequency withstand voltage

Wet (kv)

45

45

50

Dry (kv)

80

80

90

Dry lighting impulse withstand voltage (kV)

130

130

135

Power frequency punctured voltage (kV)

120

120

130

Radio-Interference-Voltage

Test Voltage to ground (kV)

10

10

10

Maximum RIV at 1MHz (µV)

50

50

50

Weight (kg)

9.24

9.40

12.00

Applicable standard: IEC GB AS BS