China OEM Ring main unit Suppliers –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 |
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