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XGN-12 Solid-Insulated Fully Enclosed Ring Main Switchgear - Quality from China Suppliers and Factory
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Structural Features
The XGN-12 switchgear cabinet is constructed with high-quality cold-rolled steel sheets, treated with electrostatic powder coating for excellent corrosion resistance and long service life. The cabinet is divided into three independent compartments:
01
Busbar Compartment
Safely enclosed to ensure stable power transmission
02
Circuit Breaker / Load Switch Compartment
Equipped with vacuum circuit breakers or load break switches
03
Cable Compartment
Designed for easy cable connection and maintenance
All compartments are separated by grounded metal partitions to prevent fault propagation and improve operator safety.
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Key Functional Advantages
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High Safety Level: Fully metal-clad structure with interlocking mechanisms prevents misoperation
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Reliable Switching Performance: Uses vacuum circuit breakers with high breaking capacity
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Compact Design: Space-saving solution suitable for indoor installations
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Easy Operation & Maintenance: Clear mimic diagrams, indicator lights, and front-access design
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Strong Environmental Adaptability: Suitable for harsh industrial environments
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Detailed Technical Parameters & Rated Electrical Parameters
Rated Voltage
12kV
Rated Insulation Voltage
12kV / 42kV
Rated Frequency
50Hz / 60Hz
Rated Current
630A / 1250A / 1600A
Rated Peak Withstand Current
50kA / 63kA / 80kA
⚡ Rated Short-Time Withstand Current
• 20kA / 4s
• 25kA / 4s
• 31.5kA / 4s
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Circuit Breaker Parameters
Type
Vacuum Circuit Breaker (VCB)
Breaking Capacity
Up to 31.5kA
Mechanical Life
≥10,000 operations
Electrical Life
≥50 operations at rated short-circuit current
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Protection & Control
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Protection Functions: Overcurrent, short circuit, earth fault, overload
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Control Voltage: DC 110V / DC 220V / AC 220V (optional)
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Metering: Ammeter, voltmeter, energy meter (digital or analog)
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Indication: On/off status, fault indication, warning lights
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Environmental Conditions
Installation Type
Indoor
Altitude
≤1000m (custom available)
🌡️ Ambient Temperature
• Maximum: +40°C
• Minimum: −10°C (can be customized to −25°C)
💧 Relative Humidity
• Daily average ≤95%
• Monthly average ≤90%
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Mechanical & Installation Parameters
Cabinet Structure
Metal-enclosed, floor-mounted
Ingress Protection
IP4X (cabinet) / IP2X (internal)
Cable Entry
Bottom or top entry (customizable)
Busbar Material
Copper or aluminum (optional)
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Typical Applications
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Medium voltage substations
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Industrial power distribution systems
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Commercial buildings and shopping centers
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Power plants and renewable energy projects
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Urban and rural distribution networks
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Conclusion
The XGN-12 high voltage switchgear is a mature, cost-effective, and internationally recognized solution for 12kV power distribution systems. With its robust construction, high safety standards, flexible configuration, and excellent electrical performance, it meets the demands of modern power networks and industrial users. It is an ideal choice for customers seeking reliable medium voltage switchgear for long-term operation.
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Detail Pictures
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Frequently Asked Questions (FAQ)
Q
What is the rated voltage of the XGN-12 switchgear cabinet?
The XGN-12 switchgear cabinet has a rated voltage of 12kV, with a rated insulation voltage of 12kV (power frequency) and 42kV (lightning impulse). It is designed specifically for medium voltage power distribution systems.
Q
What type of circuit breaker does the XGN-12 use, and what is its breaking capacity?
The XGN-12 uses a Vacuum Circuit Breaker (VCB) with a breaking capacity of up to 31.5kA. It offers a mechanical life of ≥10,000 operations and an electrical life of ≥50 operations at rated short-circuit current, ensuring long-term reliability.
Q
Is the XGN-12 switchgear suitable for outdoor installation?
No, the XGN-12 is designed for indoor installation only. It provides IP4X ingress protection for the cabinet and IP2X for internal compartments. For outdoor applications, a suitable enclosure or weatherproof housing would be required.
Q
What protection functions does the XGN-12 switchgear provide?
The XGN-12 provides comprehensive protection including overcurrent protection, short circuit protection, earth fault protection, and overload protection. It also supports various metering instruments such as ammeters, voltmeters, and energy meters (digital or analog).
Q
Can the XGN-12 switchgear be customized for special environmental conditions?
Yes, the XGN-12 supports customization for special environments. The minimum ambient temperature can be extended to −25°C (standard is −10°C), and custom designs are available for installations at altitudes above 1,000 meters. Busbar material (copper or aluminum) and cable entry direction (top or bottom) are also configurable.
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What are the typical applications of the XGN-12 high voltage switchgear?
The XGN-12 is widely used in medium voltage substations, industrial power distribution systems, commercial buildings and shopping centers, power plants and renewable energy projects, as well as urban and rural distribution networks. Its compact, reliable design makes it suitable for a broad range of industries.