Post-type AC Pollution-resistant Disc Suspension Porcelain Insulator (Bell Type)
Negotiable
China
No.93 Longquan Road, Zibo City, Shandong Province
0086-533-5891888
Online Contact
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Product Parameters

Product model

Unit

U840BP/300

U700BP/280

U550BP/240

U420B/205

Structure height (H)

mm

300

280

240

205

Nominal disc diameter (D

mm

420

420

380

340

Nominal creepage distance

mm

700

700

700

550

Rated electromechanical damage load

kN

840

700

550

420

Routine tensile load

kN

420

350

275

210

Connection mark

40

36

32

28

Corona extinction voltage

Cap

kV

≥ 22

≥ 22

≥ 22

≥ 22

Feet

≥ 18

≥ 18

≥ 18

≥ 18

Power frequency arc test

Time

S

0.12

0.12

0.12

0.12

Current

kA

20

20

20

20

Impulse breakdown voltage (p.u.)

≥ 2.8

≥ 2.8

≥ 2.8

≥ 2.8

Radio interference voltage

Test voltage to ground

kV

10

10

10

10

1MHz Radio Interference Voltage

μV

≤ 50

≤ 50

≤ 50

≤ 50

Weight

kg

41.0

35.8

23.2

16.0

Executive standard: GB ANSI IEC BS