55-2 Pin Type Porcelain Insulator 127mm/7kv/11kn
55-2 Pin Type Porcelain Insulator 127mm/7kv/11kn image
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Product Details
Pin type porcelain insulators | |||||||
ANSI Class | 55-1 | 55-2 | 55-3 | 55-4 | 55-5 | 55-6 | |
Dimensions | |||||||
Diameter | mm | 83 | 95 | 121 | 142 | 178 | 213 |
Height | mm | 89 | 83 | 95 | 111 | 124 | 140 |
Creepage distance | mm | 102 | 127 | 178 | 229 | 305 | 381 |
Dry arcing distance | mm | 57 | 86 | 114 | 127 | 159 | 203 |
Minimum pin height | mm | 102 | 102 | 127 | 127 | 152 | 191 |
Mechanical Values | |||||||
Cantilever strength | kn | 13.6 | 11.4 | 11.4 | 13.6 | 13.6 | 13.6 |
Electrical Values | |||||||
Type application voltage | kv | 7.2 | 7.2 | 11.5 | 13.2 | 15 | 23 |
Low frequency dry flashover voltage | kv | 35 | 45 | 55 | 65 | 80 | 100 |
Low frequency wet flashover voltage | kv | 20 | 25 | 30 | 35 | 45 | 50 |
Critical impulse flashover voltage,positive | kv | 50 | 70 | 90 | 105 | 130 | 150 |
Critical impulse flashover voltage,negative | kv | 70 | 85 | 110 | 130 | 150 | 170 |
Low frequency puncture voltage | kv | 50 | 70 | 90 | 95 | 115 | 135 |
Radio influence Voltage Data | |||||||
Test voltage RMS to ground | kv | 5 | 5 | 10 | 10 | 10 | 22 |
Maximum RIV at 1000kHz | μv | 50 | 50 | 50 | 50 | 50 | 100 |
Net weight,approximate | kg | 1.2 | 1.4 | 2.4 | 3.7 | 6.4 | 8.5 |
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