Ring Main Unit Product Features
● Prevention of Misoperation: The vacuum load switch used in the ring main unit features three positions (isolation, closed, and grounded). The isolating switch and grounding switch have visible break points, while the load switch and isolating switch possess automatic interlocking functionality. This structural design fundamentally prevents any possibility of misoperation between the two components.
● High Performance Specifications: Vacuum ring main units and SF6 Ring Main Units employ vacuum and SF6 load switches designed for frequent operation. Their rated number of “close-open” cycles under active load reaches 100 times, exceeding conventional load switches (gas-operated or compressed-air types) by over tenfold. They also deliver excellent breaking capacity, typically withstanding 20kA short-time withstand current and achieving 50kA short-circuit closing current.
● Flexible Deployment and Scalability: With continuous technological advancements, expandable ring main units are progressively replacing traditional fully enclosed types. Advances in compact design and modular assembly now enable highly flexible configurations to meet diverse design requirements, allowing custom combinations tailored to specific customer needs.
● High Stability: Utilizing advanced technologies and materials, these units maintain stable operation across various environmental conditions.
● High Safety: Strict adherence to national and industry standards throughout design and manufacturing ensures safe user operation.
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Ring Main Unit
Tel: +86 532 88725606
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Company Advantages
Diversified services
The company covers multiple fields such as power generation technical services, electrical equipment repair, and industrial automatic control system device manufacturing, providing customers with one-stop solutions. This diversified service capability enables us to meet the different needs of customers and improves customer satisfaction.
Technical R&D strength
As one of the developers of distribution switch control equipment, we have strong technical R&D strength. Through continuous innovation and technological upgrading, we are able to provide the most advanced products and solutions to meet our customers' needs for efficient and safe electrical equipment.
Full range of sales services
The company not only provides the manufacturing and sales of electrical equipment, but also involves the sales and wholesale of mechanical and electrical equipment, electronic components and other fields. We have established long-term and stable cooperative relationships with our customers, providing them with a full range of sales services, from product selection to after-sales service, to ensure customer experience and the continued operation of the equipment.
Application Areas
Livestock Farming
Engineering and infrastructure
Industrial control
Port equipment
Vegetable greenhouses
Photovoltaic new energy
Oumingli
Production Process
A complete production line.
We can do sheet metal, spraying, wiring and assembly by ourselves without outsourcing.
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