VGK400
Summary
The entire cabinet is manufactured using environmentally acceptable materials, free from SF₆ gas.
·Insulation medium: Clean, dry air·Arc-extinguishing medium: Vacuum technology
·This vacuum-based design achieves sustainable energy utilization.
The ring main unit (RMU) supports convenient disassembly and recycling at end-of-life, with all materials clearly labeled for identification. This facilitates efficient recycling/reuse after decommissioning while eliminating additional disposal costs and environmental burdens.
■ Rated Voltage: 3.3 kV, 7.2 kV, 12 kV
■ Rated 1-minute Power Frequency Withstand Voltage: 42 kV
■ Rated Lightning Impulse Voltage: 75 kV
■ Rated Frequency: 50 Hz
■ 4s Short-time Withstand Current (RMS): 20 kA, 25 kA, 31.5 kA
■ Main Busbar Rated Current: 4000 A
■ Branch Busbar Rated Current: 630 A, 1250 A, 1600 A
■ Cabinet Width (W): 400 mm
■ Cabinet Depth (D): 1100 mm
■ Cabinet Height (H): 2200 mm
■ Protection Class: IP4X enclosure (IP2X when circuit breaker compartment door is open)
■ Weight: 200-300 kg (including switchgear)
■ Ambient Temperature: -15 to 40°C
■ Altitude: ≤2000 m
■ Relative Humidity: Daily average ≤95% Monthly average ≤90%
Installation Footprint:
Occupies two-thirds of the space required by conventional switchgear (e.g., KYN28), reducing overall construction costs by 65%.
Disruptive Design:
Future-ready for smart grid requirements
Eliminates redundant investment in equipment replacement
Scalability:
Easy capacity expansion with minimal costs
Avoids unnecessary investment in spare circuits
VCF Composite Functionality:
Integrates multiple capabilities to replace traditional single-function V cabinets.
Compact Size, High Capacity:
A space-saving design with exceptional power density.
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Core Technologies
1. Eco-Friendly Materials
Switchgear materials are fully recyclable and reusable at end-of-life, requiring no special disposal procedures.
2. Vacuum Arc Quenching
·Compact structure with high breaking capacity (31.5 kA)
·Visible isolated disconnection points for clear operational status
·Visible independent grounding for enhanced safety
3. Seal-Free Design
·Zero leakage risk
·Maintenance-free operation
·30-year service life
4. Air Insulation
·Low-carbon, eco-friendly solution
·Eliminates risks of SF₆ gas leakage or toxic byproducts
5. Smart Interfaces
·Pre-installed interfaces and sensor mounting positions
·Supports smart grid integration when equipped with IoT devices
6. Modular Flexibility
·On-site assembly and effortless expansion
·Eliminates transportation and installation challenges caused by multi-unit configurations
7. Breaking Capacity
·1250 A / 31.5 kA breaking capacity
·Outperforms traditional RMUs (25 kA/20 kA)
1. Power Generation & Distribution:
Power plants and substations.
2. Industrial Applications:
Automotive manufacturing, steel production, petrochemical industries, and mining operations.
3. Infrastructure Facilities:
Postal services, telecommunications, banking, hospitals, schools, ports, and airports.
4. Commercial & Residential Buildings:
High-rise buildings, supermarkets, smart buildings, and residential complexes.
5. Renewable Energy & Critical Systems:
Wind power, photovoltaic (solar) energy, energy storage, wastewater treatment, and data centers.
7. Transportation & Underground Networks:
Subways, light rail, high-speed rail, tunnels, and utility tunnels.
8. Specialized Sectors:
Military, aerospace, scientific/industrial facilities, and shipbuilding.