Product Category

Product Category

Explore Sunway Hanguang’s wide range of vacuum interrupters, circuit breakers, and load-breaking switches. All products meet GB, IEC, and ANSI standards—engineered for reliability and long service life. Find your ideal high-voltage solution today!
about us
Sunway Hanguang Electric Manufacturing Limited Co., Ltd.

Sunway Hanguang Electric Manufacturing Limited is an high level science and technology corporate enterprise founded in 1968, and locating in Hi-tech Zone of Xiaogan, Hubei province. Our company covers area of 40,000square meters, building area is 15,000 square meters, total assets over 80 million yuan, we have over 100 staff members, 16 R&D specialists.

“Sunway Hanguang” brand series products include vacuum interrupter, embedded pole, vacuum circuit breaker, load breaking switches and recloser and ring main unit, vacuum contactor, accessories for high-voltage electrical apparatus, and components of vacuum interrupter and VCB . The products have features of standardization, serialization, miniaturization, long life, high reliability and specialization. At present, the company has developed complete series of vacuum interrupters, including voltage ratings of 12kV, 24 kV, 36 kV, 40.5 kV , with voltage level covering from 0.66KV to 40.5KV, which are in line with the related national and international standards such as GB, IEC and ANSI etc. The company has become the enterprise covering the widest range of vacuum interrupter parameters globally.

Featured Products

Featured Products

Discover our premium vacuum interrupters, featuring one-time brazing technology for superior sealing and durability. From 12kV to 40.5kV, our products ensure stable performance across industries. Request a sample or demo now!
Sunway Hanguang is a professional manufacturer and supplier in China. Our factory provides Vacuum Circuit Breaker, Vacuum Contactor, Embedded Poles, etc. If you are interested in our products, you can inquire now, and we will get back to you promptly.

Get In Touch

Ready to enhance your electrical systems? Contact Sunway Hanguang for expert consultation, custom solutions, and reliable support. Our team is here to help—reach out today for a quote or technical advice!

Address

No.1, Huangpi Road, Xiaogan City, Hubei Province, China

News & Blogs

News & Blogs

Stay updated with the latest industry insights, company news, and technical guides from Sunway Hanguang. Learn about innovations in vacuum interrupter technology and best practices for high-voltage applications. Read our latest posts!
How Does a 7.2KV Vacuum Interrupter for Contactor Improve Medium Voltage Switching Reliability?

How Does a 7.2KV Vacuum Interrupter for Contactor Improve Medium Voltage Switching Reliability?

  • With the continuous development of industrial power systems, reliable medium voltage switching equipment has become increasingly important for ensuring safe and stable electrical operation. In applications such as mining, power distribution, manufacturing, and industrial control systems, contactors require high-performance switching components to achieve reliable operation under different load conditions.
33kV Vacuum Interrupter For Generator VCB for Reliable High Voltage Protection

33kV Vacuum Interrupter For Generator VCB for Reliable High Voltage Protection

  • Power generation systems require highly reliable switching components to ensure safe operation, rapid fault isolation, and continuous electricity supply. As the core arc-extinguishing component of a vacuum circuit breaker, the vacuum interrupter plays an essential role in controlling current interruption and protecting generator systems from electrical faults.
Why Is 24KV Vacuum Interrupter For Load Break Switch Essential in Modern Power Distribution Systems?

Why Is 24KV Vacuum Interrupter For Load Break Switch Essential in Modern Power Distribution Systems?

  • ​The 24KV Vacuum Interrupter for Load Break Switch plays a crucial role in modern medium-voltage power distribution networks. As electrical systems become more complex and demand higher reliability, the need for safe, efficient, and maintenance-friendly switching technology has never been greater. This article explores the working principles, structural advantages, application scenarios, and selection guidelines of 24KV vacuum interrupters. It also addresses common customer concerns such as arc interruption performance, operational lifespan, and cost-effectiveness.
What Is 11KV Vacuum Interrupter Circuit Breaker and Its Role in Power Distribution Systems?

What Is 11KV Vacuum Interrupter Circuit Breaker and Its Role in Power Distribution Systems?

  • ​The 11KV Vacuum Interrupter Circuit Breaker is a critical component in modern medium-voltage power distribution networks. It ensures safe interruption of fault currents, protects electrical infrastructure, and enhances system reliability. This article provides a comprehensive guide covering its working principles, structure, benefits, applications, selection criteria, maintenance practices, and future development trends.
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