Products

The Usune Indoor High Voltage Vacuum Circuit Breaker VCB VS1-12 series is a three-phase AC 50Hz/60Hz, 12kV indoor switchgear circuit breaker independently developed and manufactured by Usune, a professional manufacturer in China. As a reliable power distribution equipment supplier, Usune incorporates advanced vacuum arc-extinguishing technology and an integrated structural design into this product. It is mainly used for the control and protection of electrical facilities in industrial enterprises, power plants, and substations, and is particularly suitable for scenarios requiring frequent operation. The product conforms to authoritative international and domestic standards, achieving miniaturization, high reliability, and maintenance-free operation. It can be flexibly configured as a fixed installation unit or a drawer unit to adapt to different application scenarios. Our factory undergoes rigorous quality testing to ensure that every delivered product meets the highest technical requirements.

The Usune VS-12 (VEP-12) series of fixed and drawer-type indoor high-voltage 12 11kv Indoor Vcb Vacuum Circuit Breakers are innovative high-voltage electrical equipment independently developed and manufactured by Usune, a professional manufacturer with a mature factory in China. This series adopts third-generation solid-sealed insulation technology, overcoming the shortcomings of traditional air insulation and composite insulation, significantly improving equipment stability, weather resistance, and service life. It has become a reliable supplier choice for medium-voltage power distribution systems in industrial and mining enterprises, power plants, and municipal facilities, providing safe, efficient, and stable power protection for various electrical systems.

Usune Lateral Type Vacuum Circuit Breaker (including VS1(ZN63)-12 and VS1-24 series) is a high-performance indoor high-voltage switchgear independently developed and manufactured by Usune, a professional manufacturer in China. It is suitable for three-phase power systems with rated voltages of 12KV, 24KV, and 36KV and frequencies of 50Hz/60Hz, serving as a core protection and control device. As a trusted supplier, Usune is committed to providing high-quality electrical equipment and professional technical support to users worldwide. Its factories undergo rigorous quality testing to ensure that every product meets design and technical requirements.

The Usune ZN85C-40.5 33kV Indoor Vcb Vacuum Circuit Breaker (hereinafter referred to as the circuit breaker) is an upgraded fixed side-mounted indoor high-voltage switchgear, specifically developed for 50Hz three-phase AC power systems with a rated voltage of 40.5kV (33kV application level). The product adopts a dedicated modular spring operating mechanism and a high-performance vacuum interrupter, integrating reliable control, rapid fault protection, stable frequent operation, and compact side-mounted integration. It is widely used in power distribution control, overload protection, short-circuit fault interruption, and long-term stable operation in industrial and mining enterprises, power plants, urban and rural substations, and industrial substations. As a professional manufacturer rooted in China, Usune's products have been validated in numerous actual power distribution scenarios thanks to their standardized design, stable quality, and comprehensive supporting performance. As a reliable supplier, Usune can provide efficient supporting solutions and achieve stable batch delivery through advanced production facilities.

The Usune Side Mounted Indoor Vacuum Circuit Breaker (Model: VS1-12 Series) is a fixed-installation high-voltage switchgear designed specifically for indoor use. It is suitable for three-phase power systems with rated voltages of 6KV, 10KV, 11KV, and 12KV, and frequencies of 50/60Hz, serving as a core protection and control device. As a professional manufacturer in China, Usune strictly controls quality to ensure its products meet domestic and international industry standards, making it a trusted supplier for global power projects.

Usune HV Indoor Vacuum Circuit Breakers, encompassing the GVS9-12GD and ZN19-12GD series, are core products of the Usune brand. Developed and manufactured by a professional Chinese manufacturer, they boast superior electromechanical performance, reliable insulation protection, and maintenance-free operation. The products feature solid-state embedded terminals, a modular design, and comprehensive electromechanical interlocking devices, making them suitable for 3.6-12kV power systems and widely used in power grids, industrial and mining enterprises, and other scenarios. As a professional supplier, Usune provides highly reliable high-voltage power distribution solutions to global users through stringent quality control.