Ceramic Post Insulators
0102030405
High-Quality ANSI 57-3 Line Post Insulators 57 Series Porcelain Insulators
| 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 |
| Line post type porcelain insulators | ||||||
| ANSI Class | 57-11 | 57-12 | 57-13 | 57-14 | 57-15 | |
| Dimensions | ||||||
| Diameter | mm | 102 | 102 | 102 | 102 | 102 |
| Height | mm | 260 | 324 | 400 | 480 | 543 |
| 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 | 22 | 22 | 22 | 22 | 22 |
| 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 | 6.8 | 10.0 | 11.8 | 16.5 | 18.6 |
FAQ
1.Q:What's your main products?
A: We provide professional Glass Insulators and Insulation Materials with 15 years experience.
2.Q Why chooses us?
A: Well experienced in our field. Our staff of engineers offers high-valued design guidance to
assure product performance and efficiency. And our strict adherence to rigorous quality control and tolerance standards lead to easier assembly of finished components at your facility. We always focus on Quality.
assure product performance and efficiency. And our strict adherence to rigorous quality control and tolerance standards lead to easier assembly of finished components at your facility. We always focus on Quality.
3. Q:How can you control your quality?
A:For each production processing, we have complete QC system for the chemical composition, physical and electrical properties.After production, all the goods will be tested according to related standards, and the ex-factory test reports will be sent along with shipment documents.
4. Q: Does your company accept customization?
A. Yes, we can accept OEM/ODM.
5.Q: Do you have the products instock?
A: Depends on your request,we have standard models in stock.Some special product and big order will be newly produced according to your order.
6. Q: What's your payment terms?
A: We usually accept all kinds of payment terms, T/T, L/C, Western union, Cash.
7. Q: What do you have for certificate?
A: :Quality Service Credit Certificate, Enterprise Credit Grade Certificate,Credit Operation Demonstration Unit Certificate, Quality Management System Certificate, etc.
8.Q:Can we visit your company?
A:Yes,for sure, you are welcome to visit our company.