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High Voltage Pin Insulator | ||||||
Type/BS Class | P-11-Y | P-15-Y | P-20-Y | P-33-Y | ||
Main Dimensions (mm) | H | 133 | 137 | 195 | 244 | |
h | 48 | 48 | 52.63 | 52.63 | ||
D | 140 | 152 | 230 | 279 | ||
d | 18.29 | 18.29 | 27.78 | 27.78 | ||
R1 | 13 | 13 | 19 | 19 | ||
R2 | 9.5 | 12.7 | 14.3 | 13 | ||
Nominal Voltage (kV) | 11 | 15 | 22 | 33 | ||
Creepage Distance (mm) | 240 | 298 | 432 | 630 | ||
Minimum Flashover Voltage | Power-Frequency | Dry (kV) | 75 | 80 | 100 | 135 |
Wet (kV) | 45 | 55 | 60 | 85 | ||
50% Impulse | Positive (kV) | 100 | 130 | 160 | 185 | |
Negative (kV) | 110 | 175 | 205 | - | ||
Withstand Voltage | One Minute Power Frequency | Dry (kV) | 65 | 70 | 90 | 110 |
Wet (kV) | 40 | 50 | 55 | 75 | ||
Impulse (kV) | - | 110 | 150 | - | ||
Radio-Influence Voltage Data | Test Voltage to Ground (kV) | 15 | 15 | 22 | 20 | |
Maximum RIV at 1kkhz (μV) | 8000 | 8000 | 12000 | 16000 | ||
Power-Frequency Puncture Voltage (kV) | 135 | 135 | 145 | 185 | ||
Cantilever Failing Load (kN) | 11 | 11 | 11 | 13 | ||
Weight (kg) | 1.8 | - | - | 11.5 |
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