Industrial Vacuum Circuit Breaker Factory from China
Vacuum Circuit Breaker (VCB) is a key switching device for medium and high voltage power systems, with the vacuum interrupter (vacuum switch tube) as its core. Sunway Hanguang, a professional manufacturer in China, specializes in outdoor Vacuum Circuit Breaker-specific vacuum interrupters . Classified by rated voltage into three categories, these components are essential for the stable operation of Vacuum Circuit Breaker. As a reliable supplier, Sunway Hanguang integrates R&D, production and sales to provide high-quality supporting parts for Vacuum Circuit Breaker and ensure efficient service.
Medium-Voltage Outdoor Vacuum Interrupter
The 10kV-24kV model is Sunway Hanguang’s most widely used product, matching mainstream medium-voltage outdoor Vacuum Circuit Breaker. Optimized for medium-voltage conditions, it features fast arc extinguishing and stable current suppression, adapting to the frequent switching needs of Vacuum Circuit Breaker.
Widely used in power grids, substations, and distribution systems of railway, mining and chemical industries. Its optimized whole-tube design ensures stable power frequency withstand voltage for harsh outdoor environments. As a Chinese manufacturer, Sunway Hanguang continuously optimizes its production for better durability.
High-Voltage Outdoor Vacuum Interrupter
Sunway Hanguang’s 35kV-40.5kV high-end model is tailored for high-demand high-voltage outdoor Vacuum Circuit Breaker. With advanced vacuum chamber and electrode materials, it stably cuts off high-voltage current and extinguishes arcs, ensuring the safe and stable operation of high-voltage Vacuum Circuit Breaker.
Used in high-voltage substations, long-distance lines, and industries like petroleum and communication. It retains Sunway Hanguang’s core technologies (one-time sealing, positive pressure process) plus reinforced insulation for better high-voltage resistance. As a trusted supplier, it offers customized high-voltage solutions.
Product Advantages & Overall Positioning
As a professional manufacturer and supplier, Sunway Hanguang provides high-quality low/medium/high-voltage vacuum interrupters for global Vacuum Circuit Breaker. It will increase R&D investment to upgrade product performance and become a leading supporting supplier for Vacuum Circuit Breaker in the industry.
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40.5KV Vacuum Circuit Breaker
The Sunway Hanguang 40.5KV Vacuum Circuit Breaker is a core indoor high-voltage equipment for 50/60Hz AC medium-voltage power distribution systems. It features the ZN85-40.5 (3AV3) series, employing a split-type structure and proprietary optimized high-vacuum arc extinguishing technology. It provides load control, short-circuit interruption, and overload protection, and is suitable for 35kV/40.5kV power distribution networks.
24KV Vacuum Circuit Breaker
The Sunway Hanguang 24KV Vacuum Circuit Breaker is a core indoor high-voltage device for 50/60Hz AC medium-voltage power distribution systems, encompassing three major series: ZN63-24(VS1), VS1-24E, and VS1-24EM. Leveraging independently optimized vacuum interrupters and epoxy resin APG process encapsulated poles, coupled with a stable spring energy storage operating mechanism, its performance complies with standards such as IEC 62271 and GB 1984. Supported by mature manufacturing in China and global service, it is compatible with mainstream switchgear, can be integrated with international brands, and is exported to many regions, making it a preferred choice in the power and new energy sectors, showcasing the technical and quality strength of a professional manufacturer.
12KV Vacuum Circuit Breaker
The Sunway Hanguang 12KV Vacuum Circuit Breaker is designed for 50/60Hz AC medium-voltage power distribution systems. Leveraging the brand's over fifty years of experience in high-voltage electrical equipment research and manufacturing, it integrates high-vacuum arc extinguishing technology with epoxy resin APG process sealed poles and a spring energy storage operating mechanism, reliably controlling and protecting power lines, transformers, and other equipment.
Sunway Hanguang is a professional Vacuum Circuit Breaker manufacturer and supplier in China. We have an experienced sales team, professional technicians, and an after-sales service team.
