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Details

160kN Disc Suspension Porcelain Insulators

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 Main Dimensions and Mechanical & Electrical Characteristics

Type

U160B/155

U160BP/155M

U160BP/155D

U160BP/170D

U160BP/155T

52-10

Fig.No.

1

3

4

5

6

2

Nominal Diameter of Insulator  D    mm

300

425

300

340

330

320

Nominal Unit Spacing  H    mm

155

155

155

170

155

178

Nominal Creepage Distance   mm

400

385

450

525

545

545

Coupling Size   mm

20

20

20

20

20

20C

Rated Electromechanical Failure Load   kN

160

160

160

160

160

160

Routine Tensile Load    kN

80

80

80

80

80

80

Wet Power Frequency Withstand Voltage   kV

45

45

45

50

45

45

Lightning Impulse Withstand Voltage   kV

110

120

130

130

120

120

Impulse Puncture Voltage  (Per Unit Value)

2.8, 2.85*

2.8, 2.85*

2.8, 2.85*

2.8, 2.85*

2.8, 2.85*

2.8, 2.85*

Radio Interference Test Voltage£¨7.5kV ,1MHz£© ¦ÌV

50

50

50

50

50

50

Corona Extinguished Voltage  kV

Pin18£¬Cap22

Pin18£¬Cap22

Pin18£¬Cap22

Pin18£¬Cap22

Pin18£¬Cap22

Pin18£¬Cap22

Power Frequency Arc Test

0.12s£¬20kA

0.12s£¬20kA

0.12s£¬20kA

0.12s£¬20kA

0.12s£¬20kA

0.12s£¬20kA

Reference Weight Per Unit    kg

9.5

10.7

10.0

11.0

12.4

12.6

Note: * Only applicable to 1000kV insulators,52-10 is an American standard ANSI C29.2 product.


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