24KV Vacuum Interrupter For Ring Main Unit

The 24KV Vacuum Interrupter For Ring Main Unit is a core arc extinguishing unit customized by Sunway Hanguang, based in China's electrical industry, specifically for medium-voltage ring main units. The vacuum degree is strictly controlled at ≤1.33×10⁻³Pa, enabling arc-free interruption and zero re-ignition, ensuring stable power distribution. The core models cover three mainstream specifications, adapting to different load requirements.

We utilize German-imported equipment to build a fully automated factory, holding over 30 core patents. We implement full-process quality control for the 24KV Vacuum Interrupter For Ring Main Unit, complying with IEC, GB, and other standards and numerous authoritative tests. It has been recognized by State Grid, ABB, and other well-known companies, with over 400,000 units installed globally, accumulating mature application experience in complex working conditions.

Product Parameters

Product Features and Advantages

The 24KV Vacuum Interrupter For Ring Main Unit meets the core needs of ring main units, with outstanding performance optimization. The core advantages are as follows:

1. Excellent Arc Extinguishing and Conductive Performance

Using high-purity Cu-Cr alloy contacts, the current limiting value is <3A, with resistance to welding and low arc energy. The single capacitor bank breaking current is 630A, with low contact erosion, extending the service life.

2. Long-lasting Sealing and Maintenance-Free Design

Equipped with imported stainless steel bellows, the annual leakage rate is <0.5%, and both mechanical and electrical life reach 50,000 cycles, achieving 30 years of maintenance-free operation, significantly reducing operation and maintenance costs. 3. Superior Environmental Adaptability

High-strength ceramic casing, excellent insulation, resistant to a wide temperature range of -40℃ to +85℃, and high altitude up to 4000 meters, with IP67 protection rating, suitable for various complex working conditions.

4. Precise Quality Control and Convenient Operation and Maintenance

Each product undergoes 12 comprehensive inspections, with QR code traceability, on-site failure rate <0.02%, modular design for easy replacement, and 7×24-hour service provided by 35 global technical centers.

Product Applications

The 24KV Vacuum Interrupter for Ring Main Units has a wide range of applications, suitable for urban power distribution networks, industrial parks, data centers, wind and solar power substations, and can also be used in special fields such as rail transit and offshore platforms.

The product has no SF₆ emissions, complying with environmental protection directives, and is compatible with various environmentally friendly ring main units, contributing to the construction of a green and intelligent power distribution network. It is also suitable for overseas projects under the "Belt and Road" initiative, showcasing the strength of Made in China.

Frequently Asked Questions

1. Customization Services: Supports multi-standard OEM/ODM, with 5-10 day delivery for standard models, compatible with mainstream ring main unit equipment.

2. Quality Assurance: Selected high-quality core components, fully automated quality control, each unit comes with a test report, and is traceable via QR code.

3. Warranty and After-Sales Service: 10-year limited warranty, with multilingual technical and on-site operation and maintenance support provided by global service centers.

4. Installation Notes: Moisture-proof and shock-proof packaging, installation must comply with relevant standards, and pressure resistance and mechanical characteristics tests must be completed after installation.