China Vacuum Interrupter Supplier for High Voltage Switchgear
A vacuum interrupter is a core component of high-voltage circuit breakers in power systems, which realizes circuit switching and arc extinction by using vacuum insulation and arc-extinguishing performance. As a professional manufacturer of vacuum interrupters in China, Sunway Hanguang has a standardized factory and is a reliable supplier of high-quality vacuum interrupters for global customers.
Sunway Hanguang classifies its vacuum interrupters scientifically according to application, technical parameters and breaking capacity to meet diverse industry needs. All products are independently developed and produced by Sunway Hanguang’s factory with strict quality control.
All Sunway Hanguang vacuum interrupters consist of airtight insulating shell, conductive circuit, shielding system and bellows. Regularly check vacuum degree and contact wear; replace when wear exceeds standard. As a professional manufacturer and supplier in China, Sunway Hanguang provides customized solutions with strict quality control.
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36KV Vacuum Interrupter For Recloser
Sunway Hanguang 36KV Vacuum Interrupter For Recloser is a core arc extinguishing unit specifically designed for high-voltage automatic reclosers. The core model is VITD 36/2000-26.3K, compatible with 50/60Hz systems, with a vacuum degree of ≤1.33×10⁻³Pa, achieving arc-free interruption. As a professional manufacturer with over fifty years of experience in the electrical industry, the company leverages advanced equipment and core patents to create this product, which has passed numerous authoritative tests and is widely used in high-voltage power distribution scenarios worldwide, gaining recognition from well-known domestic and international companies.
11KV Vacuum Interrupter For Recloser
The Sunway Hanguang 11KV Vacuum Interrupter for Reclosers (core model VITD 12/1600-31.5R) is a core arc-extinguishing unit specifically designed for medium-voltage automatic reclosers. It is compatible with 50/60Hz systems and features a vacuum level of ≤1.33×10⁻³Pa, enabling arc-free switching. As a professional manufacturer with over fifty years of experience in the electrical industry, the company leverages advanced equipment and core patents to create products that meet multiple standards. With over 300,000 units installed globally, it has gained recognition from well-known domestic and international companies. The 11KV Vacuum Interrupter for Reclosers, with its stable performance, is suitable for various extreme operating conditions.
1.14KV Vacuum Interrupter For On-Load Tap-Changer
Sunway Hanguang, with over fifty years of experience in the electrical field, specializes in the customized research and development of 1.14KV Vacuum Interrupter For On-Load Tap-Changer (OLTC) (core models VITJ 1.14/1600K, VI-OLT-1.14/630-12.5, etc.). As the core arc-extinguishing unit for OLTCs, it is compatible with 50/60Hz systems, features a vacuum degree of ≤1.33×10⁻³Pa, achieving micro-arc interruption and zero re-ignition, addressing many pain points of traditional products. Backed by advanced production lines and core patents, the product has passed numerous authoritative certifications, with over 200,000 units installed globally, gaining recognition from well-known companies. As a high-quality manufacturer from China, Sunway Hanguang safeguards power systems with reliable quality.
33kV Vacuum Interrupter For Generator VCB
Sunway Hanguang manufactures the 33kV Vacuum Interrupter For Generator VCB (Model TD545K) for global power generation projects. The TD545K is the GCB-optimized platform of our proven 40.5kV vacuum bottle, engineered with high-purity Cu-Cr contacts (<3A current chopping) to protect generator insulation and withstand the frequent switching and short-circuit impacts of large-scale power generation. KEMA and CESI certified, with 120,000+ units installed globally and supplied to GE, Siemens and Huaneng. OEM/ODM customization available.
11kV Vacuum Interrupter for Generator VCB
Sunway Hanguang manufactures the 11kV Vacuum Interrupter for Generator VCB (Model TD336G) for global power generation projects. The TD336G is the GCB-optimized platform of our proven 12kV vacuum bottle, engineered with high-purity Cu-Cr contacts (<3A current chopping) to protect generator insulation, imported 316L bellows with <0.5% annual leakage rate, and 50,000 mechanical operations. KEMA and CESI certified, with 200,000+ units installed globally and supplied to State Grid and GE. OEM/ODM customization available.
36KV Vacuum Interrupter For Railway Circuit Breaker
Sunway Hanguang manufactures the 36KV Vacuum Interrupter For Railway Circuit Breaker (Model TD545A) for global rail transit projects. The TD545A is engineered for high-vibration, high-duty-cycle rail environments with high-purity Cu-Cr contacts (<3A current chopping), imported stainless steel bellows with <0.5% annual leakage rate, IP67 sealing, and vibration-resistant ceramic casing. Trusted by Siemens and CRRC, with 150,000+ units installed globally across 60+ rail transit projects. OEM/ODM customization available.
Sunway Hanguang is a professional Vacuum Interrupter manufacturer and supplier in China. We have an experienced sales team, professional technicians, and an after-sales service team.
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