There are three modifications of the insulator after the manner of its coupling:with the polyethylene capsule, with the composite material thread correspondingto the requirements of SFS (Finland) standard and BS (Great Britain) – a small head.
Ceramic Pin Porcelain Insulator for Russian market
There are three modifications of the insulator after the manner of its coupling:
with the polyethylene capsule, with the composite material thread corresponding to the requirements of SFS (Finland) standard and BS (Great Britain) – a small
head.
| HV porcelain pin insulator of SHF20G1 type | |||
| There are three modifications of the insulator after the manner of its coupling: with the polyethylene capsule, with the composite material thread corresponding to the requirements of SFS (Finland) standard and BS (Great Britain) – a small head. | |||
| Minimum voltage | Nominal | kV | 20 |
| Puncture voltage in insulating medium | kV | 180 | |
| 50 Hz withstand voltage (dry) | kV | 85 | |
| 50 Hz withstand voltage (wet) | kV | 65 | |
| Impulse withstand voltage | kV | 135 | |
| Average annual number of failure, not more than | N/per year | 0.0005 | |
| Nominal creepage distance, not less than | mm | 400±10 | |
| Minimum mechanical failing load (bending), not less than | kN | 13 | |
| Weight | kg | 3.5±0.3 | |
Features:
1. High Dielectric strength and Mechanical Strength
2. Weather Resistance and Eco-Friendly
3. Corrosion Resistance and Design Flexibility
4. Small volume,easy for transportation and installation
Founded in 1994, POWTECH was invested by TAlWAN, is an independent-owned international corporation. Offers an established and effective range of power supply and fiber optical products; and sells to a very broadspectrum of telecommunication and power industry.
Dazhoucun Industrial Park, Chengyang District, Qingdao, China.
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