Class (IEC)

Type

Fig.No

(H)
Unit Spacing (mm)

(D)
Disc Diameter (mm)

Leakage Distance (mm)

Rated E&M filing load (kN)

Routine Tension Load(kN)

Impacr filing load (N.m)

Wet
Power-freq. Withstand Voltage(kV)

Lightning Impulse Withstand Voltage(kV)

Radio-influence voltage

Power-freq. Puncture Voltage (kv)

Weight Pre 100 Pcs (kg)

Test
voltage to ground (kV)

Max.RIV at 1 MHz (uV)

U40B

XP-40

1

110

175

185

40

20

50

30

75

7.5

50

90

238

U 70C

XP-70C

2

146

255

295

70

35

6

40

100

10

50

120

470

U70B

XP-70

3

146

255

295

70

35

6

40

100

10

50

120

470

U70B

XP5-70

3

146

200

210

70

35

6

30

90

10

50

120

370

U70B

XP4-70

3

146

270

330

70

35

6

40

100

10

50

120

510

U80B

XP4-80

4

146

255

295

80

40

6

40

100

10

50

120

510

U100B

XP-100

3

146

255

295

100

50

7

40

100

10

50

120

575

U120B

XP3-100

3

146

280

340

100

50

7

40

100

10

50

120

610

U120B

XP-120

3

146

255

295

120

60

7

40

100

10

50

120

575

U160B

XP1-120

4

146

255

320

120

60

7

40

100

10

50

120

560

U160B

XP-160

3

155

255

305

160

80

10

40

100

10

50

120

690

U160B

XP3=160

3

155

280

350

160

80

10

42

105

10

50

120

750

U160B

XP4-160

3

155

300

400

160

80

10

42

110

10

50

120

8/25

U160B

XP5-160

4

146

280

350

160

80

10

42

110

10

50

120

670

U160B

XP1-160

3

146

255

305

160

80

10

40

110

10

50

120

690

U160B

XP8-160

3

146

280

305

160

80

10

40

110

10

50

120

700

U210B

XP-210

4

170

280

335

210

105

10

42

105

10

50

120

950

U210B

XP1-210

4

170

280

335

210

105

10

42

105

10

50

120

940

U210B

XP3-210

4

170

300

400

210

105

10

42

105

10

50

120

1100

U300B

XP-300

4

195

320

370

300

150

10

45

110

10

20

120

1350