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Best Quality ANSI 57-1 Porcelain Line Post Insulator with Spindle

Product classification:

Post type insulators

Keywords:

Pin type insulators


Product Features

Product details


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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