Porcelain Disc Insulator with Ball and Socket
Porcelain Disc Insulator with Ball and Socket image
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Basic Info.
Packaging & Delivery
Product Description
Ball and socket type suspension porcelain insulators( ANSI Class ) | |||||
ANSI Class | 52-3 | 52-5 | 52-8 | 52-11 | |
Coupling size | Type B | Type J | Type K | Type K | |
Dimensions | |||||
Diameter(D) | mm | 254 | 254 | 254 | 280 |
Spacing(H) | mm | 146 | 146 | 146 | 155 |
Creepage distance | mm | 320 | 320 | 320 | 380 |
Dry arcing distance | mm | 197 | 197 | 197 | 216 |
Mechanical Values | |||||
Combined M&E strength | kN | 67 | 111 | 178 | 222 |
Dry arcing distance | mm | 197 | 197 | 197 | 216 |
Impact strength | nm | 6.2 | 10 | 11.3 | 11.3 |
Routine proof test load | kN | 33.3 | 55.5 | 89 | 111 |
Time load test value | kN | 44.5 | 67 | 107 | 134 |
Maximum working load | kN | 33.3 | 55.5 | 89 | 111 |
Electrical Values | |||||
Low frequency dry flashover voltage | kV | 80 | 80 | 80 | 80 |
Low frequency wet flashover voltage | kV | 50 | 50 | 50 | 50 |
Critical impulse flashover voltage,positive | kV | 125 | 125 | 125 | 125 |
Critical impulse flashover voltage,negative | kV | 130 | 130 | 130 | 130 |
low frequency puncture voltage | kV | 110 | 110 | 110 | 110 |
Radio influence Voltage Data | |||||
Test voltage RMS to ground | kV | 10 | 10 | 10 | 10 |
Maximum RIV at 1000kHz | μv | 50 | 50 | 50 | 50 |
Packing and Shipping Data | |||||
Net weight,approximate | kg | 4.7 | 5.2 | 7.8 | 9.7 |
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