Line Post Porcelain Insulators for High Voltage ANSI Class 57-1s/57-1L, 57-2s/57-2L, 57-3s/57-3L, 57-4s/57-4L, 57-5s/57-5L
Line Post Porcelain Insulators for High Voltage ANSI Class 57-1s/57-1L, 57-2s/57-2L, 57-3s/57-3L, 57-4s/57-4L, 57-5s/57-5L image
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Quick Details
Product Details
Material: porcelain
Color: brown
Standard: ANSI
Drawing
Basic Data
ANSI class | 57-1S/57-1L | 57-2S/57-2L | 57-3S/57-3L | 57-4S/57-4L | 57-5S/57-5L | |
Fig No. | 3 | 4 | 5 | 1 | 2 | |
Dimensions of the pin | mm | M16 | M20(M16) | M20 | M20 | M20 |
Creepage distance | mm | 356 | 559 | 737 | 1015 | 1145 |
Dry arcing distance | mm | 165 | 241 | 311 | 368 | 438 |
Cantilever strength flashover voltage | kN | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 |
Low frequency flashover voltage | Dry, kV | 80 | 110 | 125 | 150 | 175 |
Wet, kV | 60 | 85 | 100 | 125 | 150 | |
Critical impulse flashover voltage | Pos., kV | 130 | 180 | 210 | 255 | 290 |
Neg., kV | 155 | 205 | 260 | 340 | 380 | |
Radio influence voltage data | Test voltage to ground, kV | 15 | 22 | 30 | 44 | 44 |
Max. RIV at 1000KHz, uV | 100 | 100 | 200 | 200 | 200 | |
Weight | kg | 5 | 9.8 | 12 | 16 | 18 |
Festures:
Available in both horizontal and vertical trunnion
Horizontal used for applications such as down-leads and jumper loop control
Vertical used for applications such as cross arms and structures
Small volume and light weight and easy to transport and install
The superior in performance and high intensity mechanical enhance reliability of power line
Extraordinary hydrophobic and resistance to contamination
Long-duration resistance aging and leakage tracking.
Service
Choose our products! You‘ll get
1) Good quality guarantee (2 years)
2) Factory direct prices
3) On time delivery
4) Free sample
5) Professional technology support
Strict quality controls have been taken to ensure that you‘ll get reliable products.
a. Material checks before production.
b. Random inspection during production.
c. Inspection before the shipment.
Our products fully comply with well recognized standards such as IEC, BS, ANSI.
FAQ:
1. Q: Do you have a catalog? Can you send me the catalog to have a check of all your products?
A: Yes, We have product catalog. Please contact us, we‘ll send our catalog by E-mail.
2 Q: I can’t find the product on your catalog, can you make this product for me?
A: Our catalog shows most of our products but not all. If you couldn‘t find it, let us know the specification of your requirements, it usually takes 20-30 days for us to design and make new moulds which match your requirements.
3 Q: What‘s your payment term?
A: The price FOB Ningbo under payment term is 50% T/T in advance and the balance before shipment.
We are China Line Post Porcelain Insulators for High Voltage ANSI Class 57-1s/57-1L, 57-2s/57-2L, 57-3s/57-3L, 57-4s/57-4L, 57-5s/57-5L manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.
Get Latest Price Request a quote
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Tags: High Voltage Insulator, Porcelain Insulator, Post Insulator, ziyong