Porcelain Post Insulator for High Voltage (ANSI57-3)
Porcelain Post Insulator for High Voltage (ANSI57-3) image
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Quick Details
Product Details
1.Porcelain material
2.ANSI,DIN,AS,BS,SA
| ANSI Class | 57-3 | ||
| Usual line voltage/kV | 45 | ||
| Height" A" /in(mm) | 14-1/2(369) | ||
| Diameter " B " /in(mm) | 6 (512) |
||
| Diameter " C " /in(mm) | 4-1/2 (114) |
||
| Thread " D " /in(mm) | 3/4-10UNC | ||
| Min. leakage distance/in(mm) | 29 (737) |
||
| Dry arcing distance/in(mm) | 12-1/4(311) | ||
| Cantilever strength/lb(kN) | 2800 (12.5) |
||
| Average flashover voltage |
Low Frequency | Dry/kV | 125 |
| Wet/kV | 100 | ||
| Critical Impulse | Pos. /kV | 210 | |
| Neg. /kV | 260 | ||
| Withstand voltage |
Low frequency | Dry/kV | 100 |
| Wet/kV | 80 | ||
| Impulse/kV | 170 | ||
| Radio influence voltage data |
Test voltage/kV | 30 | |
| Max. RIV at 1,000kHz/uV |
200 | ||
| Net weight/lb(kg) | 22 (10) |
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