ANSI 57-4 Line Post Insulator for Transmission and Distribution
ANSI 57-4 Line Post Insulator for Transmission and Distribution image
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Basic Info.
Product Description
Line post type porcelain insulators | ||
ANSI Class | 57-4 | |
Dimensions | ||
Creepage distance | mm | 1015 |
Dry arcing distance | mm | 368 |
Mechanical Values | ||
Cantilever strength | kn | 12.5 |
Cantilever strength routine test | kn | 5 |
Electrical Values | ||
Type application voltage | kv | 55 |
Low frequency dry flashover voltage | kv | 150 |
Low frequency wet flashover voltage | kv | 125 |
Critical impulse flashover voltage,positive | kv | 255 |
Critical impulse flashover voltage,negative | kv | 340 |
Radio influence Voltage Data | ||
Test voltage RMS to ground | kv | 44 |
Maximum RIV at 1000kHz | μv | 200 |
Packing and Shipping Data | ||
Net weight,approximate | kg | 16.0 |
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