Where are butterfly insulators generally installed?
Release Date:
2025-08-18
Butterfly insulators are mainly used at corners, tension points, branches, and terminal positions of distribution lines, as well as on utility poles that need to withstand tensile forces. Their typical application scenarios include rural power grids, communication lines, and low-voltage distribution systems.
Butterfly insulators are mainly used at corners, tension points, branches, and terminal positions of distribution lines, as well as on utility poles that need to withstand tensile forces. Their typical application scenarios include rural power grids, communication lines, and low-voltage distribution systems.
Specific application scenarios
Distribution lines: Butterfly insulators are commonly used in distribution lines of 10kV and below. They are used in combination with two tie plates and a through-bolt, and can be combined with suspension insulators to adapt to higher voltage levels.
Low-voltage environments: Its unfolding design makes it widely used in rural power grids and communication lines, suitable for overhead lines with power frequency voltages below 1000V.
Special scenarios: At positions such as corners and branches of distribution lines that need to withstand mechanical stress, butterfly insulators improve tensile performance through mechanical structure optimization (such as high-strength porcelain).
Precautions
Butterfly insulators are not suitable for high-voltage transmission lines above 35kV; this voltage level usually uses suspension or post insulators.
During installation, ensure the ambient temperature is between -40°C and +40°C, and the altitude does not exceed 1000 meters.
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