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R-AIR Atmospheric Sealed Air Insulated Switchgear
The next generation of environmentally friendly, fully insulated and fully enclosed switchgear using dry clean air as the insulating medium. R-AIR technology eliminates SF6 gas entirely while maintaining superior performance, reliability, and safety standards for medium voltage applications up to 24kV.
Revolutionary Product Features
R-AIR atmospheric sealed air insulated switchgear offers innovative solutions for modern power distribution needs with cutting-edge technology and design
Our R-AIR switchgear represents a breakthrough in medium voltage technology, combining environmental sustainability with uncompromising performance. By replacing SF6 gas with dry, clean air, we've created a solution that meets the highest international standards while addressing global environmental concerns.
Environmentally Friendly Design
Uses treated dry clean air as the insulating medium, completely eliminating SF6 gas and its environmental impact. With zero Global Warming Potential (GWP), R-AIR contributes to your sustainability goals while complying with increasingly stringent environmental regulations worldwide.
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Zero SF6 emissions
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100% recyclable materials
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Reduced carbon footprint
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Compliant with EU F-Gas Regulation
Fully Insulated & Sealed Design
Main primary electrified devices enclosed in stainless-steel welded gas cabinet with IP67 protection grade. The hermetically sealed design ensures complete protection against environmental factors, dust, moisture, and corrosive elements, guaranteeing long-term reliability in harsh conditions.
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Stainless steel welded construction
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IP67 protection rating
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Hermetically sealed compartments
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Corrosion-resistant materials
High Altitude Adaptive Design
Available in atmospheric and 150kPa pressure designs for optimal performance at various altitudes. Specially engineered to maintain consistent dielectric strength and operational reliability from sea level to high-altitude installations up to 4000 meters above sea level.
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Operation up to 4000m altitude
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Atmospheric and pressurized versions
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Stable performance across altitudes
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No derating required
High Reliability Design
Steel spindle driving form and operating mechanism with 20,000 mechanical life cycles ensure long-term reliability. Advanced contact technology and arc quenching systems provide consistent performance through the entire service life, reducing maintenance requirements and downtime.
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20,000 mechanical operations
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10,000 electrical operations at rated current
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Maintenance intervals extended to 10+ years
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99.9% operational reliability
Compact & Modular Design
Standard circuit breaker cabinet width of 460mm meets requirements for compact applications. Modular architecture allows for easy expansion and reconfiguration, while the reduced footprint saves valuable space in substations and industrial facilities.
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460mm standard cabinet width
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40% smaller footprint than traditional designs
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Modular expansion capability
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Front-accessible design
Intelligent Monitoring & Control
Integrated with smart control systems and sensors, compatible with IoT and cloud computing platforms. Real-time monitoring of operational parameters, predictive maintenance alerts, and remote control capabilities enable digital transformation of power distribution networks.
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IoT-enabled monitoring
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Predictive maintenance algorithms
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Cloud connectivity
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Remote operation capability
Technical Specifications & Standards
R-AIR switchgear complies with international standards and offers superior technical parameters for demanding applications
Quality Standards Compliance
R-AIR conforms to Chinese National Standards and IEC related standards, ensuring global compatibility and regulatory compliance.
| Project | IEC Standards | GB/T Standards |
|---|---|---|
| Switchgear Equipment | IEC 62271-1 | GB/T 11022 |
| Switchgear Equipment | IEC 62271-200 | GB/T 3906, DL/T 404 |
| Earthing switch | IEC 62271-102 | GB/T 1985 |
| Isolating switch | IEC 62271-102 | GB/T 1985 |
| Circuit breaker | IEC 62271-100 | GB/T 1984, DL/T 402 |
| Current transformer | IEC 61869-2 | GB/T 20840.2 |
| Voltage transformer | IEC 61869-3 | GB/T 20840.3 |
| Protection against accidental contact | IEC 60529 | GB/T 4208 |
| Electromagnetic compatibility | IEC 62271-1 | GB/T 11022 |
| Seismic withstand capability | IEC 62271-1 | GB/T 13540 |
Technical Parameters
Key specifications for R-AIR switchgear units, designed for optimal performance across a wide range of applications.
| Parameter | Unit | Standard Value | Extended Value |
|---|---|---|---|
| Rated voltage | kV | 12 | 24 |
| Insulating medium | - | Dry air (20% oxygen, 80% nitrogen) | |
| Rated current | A | 630/1250 | 2000/2500 |
| Rated short-circuit breaking current | kA | 20/25 | 31.5/40 |
| Rated short-time withstand current | kA/s | 20/4 | 31.5/4 |
| Rated peak withstand current | kA | 50 | 100 |
| Service life | year | ≥40 | |
| Degree of Cabinet enclosure protection | - | IP4X (IP54 optional) | |
| Air Cabinet protection | - | IP67 | |
| Internal arc classification | - | IAC AFLR 25kA/1s | |
| Operating temperature range | °C | -25 to +40 (up to +70 with derating) | |
| Altitude | m | ≤1000 | ≤4000 (with pressurization) |
Application Areas
R-AIR switchgear is designed for a wide range of medium voltage applications across multiple industries
Industrial Facilities
Perfect for manufacturing plants, chemical facilities, and heavy industries requiring reliable medium voltage distribution with minimal maintenance and high safety standards.
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Chemical plants
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Manufacturing facilities
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Mining operations
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Steel mills
Renewable Energy
Ideal for solar farms, wind power plants, and other renewable energy installations where environmental compatibility and reliability are paramount.
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Solar power plants
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Wind farms
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Hydroelectric plants
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Energy storage systems
Urban Infrastructure
Suited for urban distribution networks, commercial buildings, hospitals, and data centers where space is limited and reliability is critical.
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Commercial complexes
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Hospitals
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Data centers
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Metro systems
Standard Units & Configurations
Comprehensive range of R-AIR switchgear models for various applications and requirements
Circuit Breaker Unit (R-AIR/V)
The R-AIR/V features a vacuum circuit breaker with advanced arc quenching technology, providing reliable protection for medium voltage networks.
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Standard 460mm cabinet width
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1250A/630A Vacuum circuit breaker
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Three positions grounding/disconnecting switch
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Modular two-in-one electric operating mechanism
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Spring-operated mechanism
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Motor charging with manual backup
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Integrated protection relays
Load Switch Unit (R-AIR/C)
The R-AIR/C load switch unit provides cost-effective switching and isolation for applications where full breaking capacity is not required.
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Standard 460mm cabinet width
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1250A/630A vacuum load switch
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Three position grounding/disconnecting switch
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Modular two-in-one operating mechanism
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Manual or motor operation
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Integrated earthing function
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Fuse protection option
Busbar Unit (R-AIR/D)
The R-AIR/D provides busbar connections and cable terminations with complete insulation and easy access for maintenance and expansion.
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Standard 460mm cabinet width
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Live display sensor/bushing
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Side expansion insulated busbar
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Grounding busbar
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Cable connection compartments
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Voltage transformer options
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Surge arrester mounting
Control Unit (R-AIR/S)
The R-AIR/S integrates advanced protection, control, and monitoring functions with communication capabilities for smart grid applications.
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Multi-function protection relay
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Local/remote control interface
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IEC 61850 communication
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Modbus RTU/TCP protocols
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Real-time monitoring
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Event logging
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Predictive maintenance
Key Benefits & Advantages
Discover why R-AIR is the superior choice for modern medium voltage switchgear applications
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Environmental Sustainability
By eliminating SF6 gas, R-AIR contributes to reducing greenhouse gas emissions and aligns with global environmental initiatives. With zero Global Warming Potential (GWP) and zero Ozone Depletion Potential (ODP), our technology helps organizations meet their sustainability targets and comply with increasingly stringent environmental regulations worldwide.
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Enhanced Safety & Reliability
The fully insulated and sealed design provides exceptional protection against internal arc faults, while the maintenance-free design reduces the need for periodic inspections. With an expected service life exceeding 40 years and 20,000 mechanical operations, R-AIR delivers unparalleled reliability for critical power distribution applications.
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Reduced Total Cost of Ownership
Lower maintenance requirements, extended service intervals, and elimination of SF6 handling and disposal costs result in significantly reduced total cost of ownership. The compact design also reduces space requirements, saving on installation costs and valuable real estate in substations and industrial facilities.
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Future-Proof Technology
With built-in IoT connectivity, compatibility with Industry 4.0 standards, and modular expandability, R-AIR is designed to meet the evolving needs of modern power networks. The technology supports digital transformation initiatives and integrates seamlessly with smart grid architectures.
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Global Compliance & Certification
R-AIR meets or exceeds all relevant international standards including IEC, IEEE, and GB/T specifications. Our products are certified for use in demanding environments and have been successfully deployed in projects across Asia, Europe, and the Americas.
