12.5kn 45kv Line Post Porcelain Insulator 57-3

China 
                        12.5kn 45kv Line Post Porcelain Insulator 57-3
                      manufacture and supplier

12.5kn 45kv Line Post Porcelain Insulator 57-3 image

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Quick Details

12.5kn 45kv Line Post Porcelain Insulator 57-3

57-3

White

ISO9001

12.5kn

High Voltage Power Transmission, Insulation, Electrical Installation

A Type Insulator

Post Insulator

Porcelain

High-voltage

11kg

JOHNSON

1000*1000*1000mm

China

854620909

Product Details

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Product Description

 

Detailed Photos

Line post type porcelain insulators
ANSI Class   57-1 57-2 57-3 57-4 57-5
Dimensions
Creepage distance mm 356 559 737 1015 1145
Dry arcing distance mm 165 241 311 368 438
Mechanical Values
Cantilever strength kn 12.5 12.5 12.5 12.5 12.5
Cantilever strength routine test kn 5 5 5 5 5
Electrical Values
Type application voltage kv 25 35 45 55 66
Low frequency dry flashover voltage kv 80 110 125 150 175
Low frequency wet flashover voltage kv 60 85 100 125 150
Critical impulse flashover voltage,positive kv 130 180 210 255 290
Critical impulse flashover voltage,negative kv 155 205 260 340 380
Radio influence Voltage Data
Test voltage RMS to ground kv 15 22 30 44 44
Maximum RIV at 1000kHz μv 100 100 200 200 200
Packing and Shipping Data
Net weight,approximate kg 5.2  9.0  11.0  16.0  18.0 

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