Products

The Usune Grounding Switch Jn15 is a core safety component designed specifically for 6.6kV, 10kV, 11kV, and 12kV 50Hz AC power systems. It complies with GB1985-89 "AC High-Voltage Disconnect Switches and Grounding Switches" and IEC129 standards, and can be used with various high-voltage switchgear as a reliable grounding protection device. Manufactured in Usune's modern factory, this product leverages Usune's rigorous quality control and superior performance to provide stable, safe, and easy-to-maintain grounding solutions for urban power grids, industrial facilities, commercial complexes, and other scenarios. Its reliability has been proven in the field.

The Usune ZW32-12 series 11 kV Pole Mounted Vacuum Circuit Breaker is a high-performance three-phase AC power distribution device suitable for 50/60Hz, 10/11/12kV systems. It can safely switch on and off load currents, overload currents, and short-circuit currents, making it suitable for scenarios with frequent operations. When paired with a dedicated controller, it can form an intelligent recloser, realizing remote control, remote measurement, remote signaling, and remote adjustment functions. As a professional manufacturer from China, Usune provides stable and reliable products suitable for urban and rural power grids, industrial parks, and new energy grid-connected scenarios. This article details its core performance, practical applications, and common problems, showcasing Usune's strength as a trusted supplier and manufacturer of this type of critical power protection equipment.

The Usune Zw7-40.5 Outdoor Vacuum Circuit Breaker is a 50Hz three-phase AC outdoor high-voltage electrical device used for control and protection of 24-40.5kV power transmission and distribution systems. It features excellent breaking capacity, long electrical and mechanical life, maintenance-free design, and strong anti-pollution insulation performance. It conforms to GB (National Standard) and IEC (International Standard) and is widely used in power grids, wind farms, and industrial substations. As a core piece of equipment manufactured in the factory, it ensures stable system operation, supports capacitor bank switching and intelligent reclosing, and can be equipped with a high-precision built-in current transformer for metering and protection.

The Usune Gw4 Disconnect Switch is a 110kV double-column horizontal rotating, center-break type outdoor AC high-voltage disconnecting switch, suitable for three-phase AC 50/60Hz power systems. It is primarily used for opening and closing operations under voltage-on-load conditions and provides a clearly visible electrical isolation point for high-voltage equipment maintenance. As a professional high-voltage switchgear manufacturer from China, Zhejiang Usune Electric Co., Ltd., with its advanced production equipment and comprehensive quality control system, provides a solid guarantee for product reliability, making it the preferred equipment for substations and power transmission and distribution projects.

The Usune GW8 and GW13 series high voltage disconnectors for transformer neutral grounding systems are outdoor electrical equipment designed specifically for 50Hz/60Hz AC systems, with rated voltages covering 40.5kV, 72kV, and 110kV. As a trusted supplier in the global power transmission and distribution industry, Usune provides safe, efficient, and durable neutral point grounding disconnector solutions for substations, power plants, and other core power facilities, leveraging advanced production equipment, rigorous testing processes, standardized materials, sophisticated craftsmanship, and a comprehensive quality management system.

The Usune 110kV 1250A 2000A Disconnector Switch belongs to the GW4-126 series of outdoor AC high-voltage electrical appliances, suitable for 110kV power transmission and transformation systems, mainly used for no-load switching and electrical isolation of equipment. As a professional manufacturer from China, Zhejiang Usune Electric ensures product reliability through advanced production equipment, rigorous testing, and a comprehensive quality management system. The product adopts a double-column horizontal rotating structure, equipped with silver-plated copper contacts and a mechanically interlocked grounding switch, conforming to GB 1985 and IEC 62271-102 standards. It can operate stably in environments ranging from -40℃ to +40℃ and has been safely put into operation in several key power transmission and transformation projects.