OEM Famous Ring main unit Factory –Pin Type Porcelain Insulator ANSI 56-3 – HolleyDetail:
Specifications
No. | FEATURES | UNIT | VALUE |
1 | Standard | ANSI C-29.6 | |
2 | Insulating material | Porcelain | |
3 | ANSI class | 56-3 | |
4 | Insulator rated voltage | kV | 24/36 |
5 | Dimensions | ||
| Creepage distance | mm. | 537 | |
| Dry arc distance | mm. | 241 | |
6 | Cantilever strength | kN. | 13 |
7 | Breakdown voltage | kV. | 165 |
8 | Low frequency disruptive voltage | ||
| - Dry | kV. | 125 | |
| - In the rain | kV. | 80 | |
9 | Critical impulse voltage | ||
| - positive | kVp. | 200 | |
| - negative | kVp. | 265 | |
10 | Radio Interference Voltage | ||
| - Low frequency test voltage, rms grounded | kV (rms) | 30 | |
| - Maximum RIV at 100 KHz | µV | 200 | |
11 | Top treatment to reduce radio interference | Using semiconductor varnish | |
12 | Coupling thread with spike | On the porcelain | |
13 | Top thread diameter | mm. | 35 |
14 | Maximum and minimum dimensions according to ANSI C29.6 Standard | Yes |
Product detail pictures:

Related Product Guide:
We goal to understand excellent disfigurement from the manufacturing and supply the top support to domestic and abroad clients wholeheartedly forOEM Famous Ring main unit Factory –Pin Type Porcelain Insulator ANSI 56-3 – Holley, The product will supply to all over the world, such as: Riyadh, New Delhi, Uruguay, Many years of work experience, we have realized the importance of providing good quality products and the best before-sales and after-sales services. Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it. faster delivery time and the product you want is our Criterion .
