66/72.5kV， Suitable for three-phase AC 50Hz high-voltage transmission system, with a structure of fiberglass core rod and silicone rubber umbrella skirt, reducing weight by 50% compared to porcelain, and resistant to UV and salt spray corrosion.
| Product model | Rated voltage（KV） | Rated bending load（KN） | Structure hight (mm) | Minimum arc distance(mm) | Minimum creepage distance (mm) | Lightning impulse voltage (peak) (KV) | 1 min power frequency wet voltage (KV) |
| FZSW-72.5/10 | 66/72.5 | 10 | 780 | 690 | 2260 | 350 | 150 |
Transmission line: 66kV overhead line conductor support and insulation, suitable for corner towers, tension towers, and straight towers;
New energy station: wind farm booster station busbar support, composite material model with excellent wind and sand resistance performance;
Substation equipment: supporting isolation switches and circuit breakers.
66/72.5kV column insulators have become the core supporting equipment of 66kV power grids due to their high mechanical strength, anti pollution flashover ability, and modular installation advantages, especially suitable for new energy stations and high-altitude transmission scenarios
