Ring Main Unit Vacuum Interrupter Factory in China
As a professional high-voltage electrical equipment manufacturer with decades of experience, Sunway Hanguang Electric Manufacturing Limited is a reliable supplier of vacuum interrupters for ring main units in China. Customized by our factory for ring main units, our product features miniaturization, long service life, high reliability and strong compatibility, ensuring stable operation of ring main units in various power distribution scenarios.
Founded in 1968, Sunway Hanguang has rich R&D and production experience in vacuum interrupters. Our vacuum interrupter for ring main unit, a key product of the "Sunway Hanguang" brand, adopts international leading one-time sealing and positive pressure rapid leak detection technologies, complies with GB, IEC, ANSI standards, and covers 0.66KV-40.5KV voltage levels to match various ring main units.
Classification
1.Application Scenario
This classification is based on the ring main unit’s working environment, with optimized sealing, corrosion resistance and insulation to ensure stable operation.
1.1 Indoor Type
vacuum interrupter for ring main unit applied to indoor ring main units (urban power distribution stations, workshops, commercial buildings), it adopts a compact design suitable for limited space, with excellent insulation and arc extinguishing performance, easy installation and maintenance.
1.2 Outdoor Type
Designed for outdoor ring main units (rural power grids, open-air industrial sites), it features a high-strength corrosion-resistant ceramic shell to resist harsh environments (high/low temperature, rain, dust), ensuring long-term stable operation.
2.Classification by Structural Type
Divided into integrated and split types based on structure and matching mode, adapting to different ring main unit designs.
2.1 Integrated Vacuum Interrupter For Ring Main Unit
Integrating vacuum interrupter, contactor and embedded pole, it is compact, space-saving, reliable and easy to maintain, suitable for miniaturized indoor ring main units.
2.2 Split Vacuum Interrupter For Ring Main Unit
With separate components, it is flexible for matching large or customized ring main units, convenient for component replacement and cost-saving, meeting personalized industrial needs.
Core Advantages
All ourvacuum interrupter for ring main units adhere to the "stable, reliable and consistent" concept, with advantages of advanced brazing technology, strict quality control and high-quality components. As a professional manufacturer and supplier in China, we provide customized solutions, with export volume growing over 10% annually and wide international recognition.
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36KV Vacuum Interrupter For Ring Main Unit
Sunway Hanguang 36KV Vacuum Interrupter For Ring Main Unit (core model VITD 36/2500-25P) is a customized core arc extinguishing unit for high-voltage ring main units, suitable for 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 field, Sunway Hanguang relies on automated production lines and core patents. Its products have passed multiple certifications, with over 300,000 units installed globally, becoming a trusted supplier worldwide and contributing to the construction of green and intelligent power distribution networks.
24KV Vacuum Interrupter For Ring Main Unit
Sunway Hanguang 24KV Vacuum Interrupter For Ring Main Unit is a core arc extinguishing unit specifically customized for medium-voltage ring main units. As a professional manufacturer with over fifty years of experience in the electrical field, we utilize advanced equipment and core technologies to create this product, suitable for 50/60Hz AC systems. The core models cover three mainstream specifications, specifically addressing the pain points of environmental protection and high-frequency operation in ring main units. The product has passed numerous authoritative tests, with over 400,000 units installed globally, serving more than 60 countries. It is a trusted supplier in the global medium-voltage ring main unit field, contributing to the construction of a green and intelligent power distribution network.
11KV Vacuum Interrupter For Ring Main Unit
Sunway Hanguang, a professional manufacturer with over fifty years of experience in the electrical field, offers the 11KV Vacuum Interrupter for Ring Main Units, a core arc extinguishing unit specifically designed for medium-voltage ring main units. The core models include VI-RMU-11/630-25 and VI-RMU-11/1250-31.5, compatible with 50/60Hz AC systems. With stringent vacuum control and superior performance, this product specifically addresses the core needs of ring main units. As a reliable China supplier, the company leverages high-end equipment and full-process quality control to create products that meet international and domestic standards, with over 400,000 units installed globally and recognized by globally renowned companies.
Sunway Hanguang is a professional Vacuum Interrupter For Ring Main Unit manufacturer and supplier in China. We have an experienced sales team, professional technicians, and an after-sales service team.
