Post-type DC 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/300H

U700BP/280H

U550BP/240H-1

U550BP/240H-2

Structure height (H)

mm

300

280

240

240

Nominal disc diameter (D)

mm

420

420

380

400

Nominal creepage distance

mm

700

700

635

700

Rated electromechanical damage load

kN

840

700

550

550

Routine tensile load

kN

420

350

275

275

Connection mark

40

36

32

32

DC corona extinguishing voltage

kV

≥ 50

≥ 50

≥ 50

≥ 50

Positive polarity 1min dry withstand voltage

≥ 150

≥ 150

≥ 150

≥ 150

SF6 breakdown withstand voltage

kV

≥ 225

≥ 225

≥ 225

≥ 225

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

   

22.90

24.70

Executive standard: GB ANSI IEC BS