China XGN-12 Solid-Insulated Fully Enclosed Ring Main Switchgear | Reliable Suppliers & Factory Solutions
🏗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:
- 1Busbar Compartment – safely enclosed to ensure stable power transmission
- 2Circuit Breaker / Load Switch Compartment – equipped with vacuum circuit breakers or load break switches
- 3Cable Compartment – designed for easy cable connection and maintenance
All compartments are separated by grounded metal partitions to prevent fault propagation and improve operator safety.
⚡Key Functional Advantages
- High Safety Level: Fully metal-clad structure with interlocking mechanisms prevents misoperation
- Reliable Switching Performance: Uses vacuum circuit breakers with high breaking capacity
- Compact Design: Space-saving solution suitable for indoor installations
- Easy Operation & Maintenance: Clear mimic diagrams, indicator lights, and front-access design
- Strong Environmental Adaptability: Suitable for harsh industrial environments
📋Detailed Technical Parameters & Rated Electrical Parameters
Rated Voltage12kV
Rated Insulation Voltage12kV / 42kV (power frequency / lightning impulse)
Rated Frequency50Hz / 60Hz
Rated Current630A, 1250A, 1600A (optional)
Rated Short-Time Withstand Current
- 20kA / 4s
- 25kA / 4s
- 31.5kA / 4s
Rated Peak Withstand Current50kA / 63kA / 80kA
🔌Circuit Breaker Parameters
TypeVacuum Circuit Breaker (VCB)
Breaking CapacityUp to 31.5kA
Mechanical Life≥10,000 operations
Electrical Life≥50 operations at rated short-circuit current
🛡Protection & Control
Protection FunctionsOvercurrent, short circuit, earth fault, overload
Control VoltageDC 110V / DC 220V / AC 220V (optional)
MeteringAmmeter, voltmeter, energy meter (digital or analog)
IndicationOn/off status, fault indication, warning lights
🌡Environmental Conditions
Installation TypeIndoor
Ambient Temperature
- Maximum: +40°C
- Minimum: −10°C (customizable to −25°C)
Relative Humidity
- Daily average ≤95%
- Monthly average ≤90%
Altitude≤1000m (custom design available for higher altitudes)
🔧Mechanical & Installation Parameters
Cabinet StructureMetal-enclosed, floor-mounted
Ingress ProtectionIP4X (cabinet), IP2X (internal compartments)
Cable EntryBottom or top entry (customizable)
Busbar MaterialCopper or aluminum (optional)
🏭Typical Applications
⚡Medium voltage substations
🏗Industrial power distribution systems
🏢Commercial buildings and shopping centers
🌱Power plants and renewable energy projects
🌐Urban and rural distribution networks
✅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.
🖼Detail Pictures
❓Frequently Asked Questions (FAQ)
QWhat 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), making it suitable for medium voltage power distribution systems.
QWhat types of circuit breakers are used in the XGN-12 switchgear?
The XGN-12 uses Vacuum Circuit Breakers (VCB) with a breaking capacity of up to 31.5kA, a mechanical life of ≥10,000 operations, and an electrical life of ≥50 operations at rated short-circuit current.
QIs the XGN-12 switchgear suitable for outdoor installation?
No, the XGN-12 switchgear is designed for indoor installation only. It is a floor-mounted, metal-enclosed cabinet with an ingress protection rating of IP4X for the cabinet and IP2X for internal compartments.
QWhat 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 features on/off status indication, fault indication, and warning lights for easy monitoring.
QCan the XGN-12 switchgear be customized for special environmental conditions?
Yes, the XGN-12 can be customized for special requirements. For example, the minimum ambient temperature can be extended to −25°C (standard is −10°C), and custom designs are available for installations at altitudes above 1000m. Cable entry direction (top or bottom) and busbar material (copper or aluminum) are also customizable.
QWhat are the main application areas of the XGN-12 switchgear?
The XGN-12 switchgear 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.





