- Product Details
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Quick Details
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Tensile Strength:
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12.5KN
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Color:
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brown
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Certification:
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ISO9001,ISO14001,XIHARI,TUV
Quick Details
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Place of Origin:
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Jiangxi, China
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Brand Name:
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JS
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Model Number:
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57-3
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Tensile Strength:
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12.5KN
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Color:
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brown
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Certification:
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ISO9001,ISO14001,XIHARI,TUV
The horizontal line post insulator / post porcelain insulators has excellent insulativity and used on 33kv high voltage transmission line .
High voltage line rod insulator is used as insulation and supporting conductor in high voltage transmission and distribution line. The product is a non breakdown structure and has the advantages of high mechanical strength, strong insulation performance and good pollution resistance. The insulator has the advantages of safe and reliable operation, simple maintenance, long service life and low line cost.
| Line post type porcelain insulators | ||||||
| ANSI Class | 57-1 | 57-2 | 57-3 | 57-4 | 57-5 | |
| Dimensions | ||||||
| Creepage distance | mm | 356 | 559 | 737 | 1015 | 1145 |
| Dry arcing distance | mm | 165 | 241 | 311 | 368 | 438 |
| Mechanical Values | ||||||
| Cantilever strength | kn | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 |
| Cantilever strength routine test | kn | 5 | 5 | 5 | 5 | 5 |
| Electrical Values | ||||||
| Type application voltage | kv | 25 | 35 | 45 | 55 | 66 |
| Low frequency dry flashover voltage | kv | 80 | 110 | 125 | 150 | 175 |
| Low frequency wet flashover voltage | kv | 60 | 85 | 100 | 125 | 150 |
| Critical impulse flashover voltage,positive | kv | 130 | 180 | 210 | 255 | 290 |
| Critical impulse flashover voltage,negative | kv | 155 | 205 | 260 | 340 | 380 |
| Radio influence Voltage Data | ||||||
| Test voltage RMS to ground | kv | 15 | 22 | 30 | 44 | 44 |
| Maximum RIV at 1000kHz | μv | 100 | 100 | 200 | 200 | 200 |
| Packing and Shipping Data | ||||||
| Net weight,approximate | kg | 5.2 | 9.0 | 11.0 | 16.0 | 18.0 |
57-1
57-2 & 57-3
57-4
57-5
