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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