Insulators
ANSI 53-4 Brown Porcelain Spool Insulator
Product Overview
Brown-glazed ANSI 53-4 porcelain spool insulator with 105 mm body diameter, 76 mm height and 20 kN mechanical failing load.
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Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| Colour | Brown-glazed | |
| ANSI class | 53-4 | |
| Body diameter | mm | 105 ± 3 |
| Overall height | mm | 76 ± 1.5 |
| Power-frequency dry flashover | kV | 25 |
| Power-frequency wet flashover, vertical | kV | 12 |
| Power-frequency wet flashover, horizontal | kV | 15 |
| Mechanical failing load | kN | 20 |
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