As a professional high-voltage electrical equipment manufacturer in China, Zhejiang Usune Electric Co., Ltd. is a trustworthy supplier with a standardized production plant, specializing in the research and development and production of outdoor high-voltage circuit breakers. Our outdoor high voltage breaker switches cover voltage levels from 12kV to 170kV, including vacuum, SF₆, and oil-immersed types. They possess three core functions: normal operation control, fault protection, and system isolation. Adaptable to harsh outdoor environments, they are widely used in various power scenarios, providing stable and safe solutions for global power transmission and distribution networks.
Connects and disconnects the rated load current of the high-voltage power system, achieving stable daily power transmission and distribution regulation.
Quickly interrupts fault currents such as short circuits and overloads, protecting power lines, transformers, and various equipment from damage.
Provides safe electrical isolation during equipment maintenance and emergency shutdowns, ensuring the safety of maintenance personnel.
Waterproof, dustproof, corrosion-resistant, and UV-resistant, suitable for long-term outdoor exposure.
Resistant to impacts from wind, snow, ice, and temperature changes.
Suitable for outdoor high-voltage working environments, ensuring safe and stable operation.
Low failure rate, reducing subsequent maintenance costs.
Environmentally friendly and maintenance-free, suitable for medium-voltage outdoor power grids.
The most widely used type, with excellent arc-extinguishing performance, suitable for high-voltage, high-capacity power systems.
High cost-effectiveness and stable operation, suitable for conventional outdoor power facilities.
Transmission and distribution substations, outdoor power stations and step-up substations, urban and rural high-voltage power grids, industrial parks, mining areas, rail transit, new energy power stations, and various outdoor power facilities.
The Usune 126kV SF₆ outdoor high-voltage breaker switch was applied to a new energy booster station project in East China. Facing complex outdoor environments such as high humidity, salt spray corrosion, and typhoons along the coast, the equipment has operated stably for over 5 years, successfully interrupting multiple peak short-circuit faults in the power grid, ensuring the safe output of wind and solar energy, and supporting the stable operation of the local new energy power system.
A1: We offer voltage levels from 12kV to 170kV, covering mainstream specifications such as 110kV, 126kV, 145kV, and 170kV, meeting the needs of medium-high voltage to ultra-high voltage outdoor power systems.
A2: It adopts an integrated weather-resistant, corrosion-resistant, and UV-resistant design with high mechanical strength and high-quality insulation materials, enabling long-term stable operation under extreme weather conditions.
A3: Yes. As a professional manufacturer and supplier in China, we own our own factory and can provide customized services in terms of voltage level, structural design, protection level and other aspects according to project requirements.
