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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:
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.
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
| Parameter | Value / Options |
|---|---|
| Rated Voltage | 12kV |
| Rated Insulation Voltage | 12kV / 42kV (power frequency / lightning impulse) |
| Rated Frequency | 50Hz / 60Hz |
| Rated Current | 630A, 1250A, 1600A (optional) |
| Rated Short-Time Withstand Current | 20kA / 4s | 25kA / 4s | 31.5kA / 4s |
| Rated Peak Withstand Current | 50kA / 63kA / 80kA |
Circuit Breaker Parameters
| Parameter | Specification |
|---|---|
| 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 |
Protection & Control
| Feature | Details |
|---|---|
| Protection Functions | Overcurrent, short circuit, earth fault, overload |
| Control Voltage | DC 110V / DC 220V / AC 220V (optional) |
| Metering | Ammeter, voltmeter, energy meter (digital or analog) |
| Indication | On/off status, fault indication, warning lights |
Environmental Conditions
| Condition | Specification |
|---|---|
| Installation Type | Indoor |
| Ambient Temperature (Max) | +40°C |
| Ambient Temperature (Min) | −10°C (customizable to −25°C) |
| Relative Humidity (Daily avg.) | ≤95% |
| Relative Humidity (Monthly avg.) | ≤90% |
| Altitude | ≤1000m (custom design available for higher altitudes) |
Mechanical & Installation Parameters
| Parameter | Details |
|---|---|
| Cabinet Structure | Metal-enclosed, floor-mounted |
| Ingress Protection | IP4X (cabinet), IP2X (internal compartments) |
| Cable Entry | Bottom or top entry (customizable) |
| Busbar Material | Copper or aluminum (optional) |
Typical Applications
Medium Voltage Substations
Industrial Power Distribution
Commercial Buildings & Shopping Centers
Power Plants & Renewable Energy
Urban & 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)
Q1
What is the rated voltage of the XGN-12 switchgear cabinet?
The XGN-12 switchgear cabinet is designed for a rated voltage of 12kV, with a rated insulation voltage of 12kV for power frequency and 42kV for lightning impulse. It is suitable for medium voltage distribution systems operating at this voltage level.
Q2
What type of circuit breaker is used in the XGN-12 switchgear?
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.
Q3
Can the XGN-12 switchgear be used in outdoor environments?
The XGN-12 is designed for indoor installation. It has an ingress protection rating of IP4X for the cabinet and IP2X for internal compartments. For outdoor or harsh environment applications, please consult with our technical team for customized solutions.
Q4
What are the available current ratings for the XGN-12 switchgear?
The XGN-12 switchgear is available in three rated current options: 630A, 1250A, and 1600A. Customers can select the appropriate rating based on their specific power distribution requirements and load conditions.
Q5
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 multiple control voltage options (DC 110V / DC 220V / AC 220V) and offers digital or analog metering instruments.
Q6
Is the XGN-12 switchgear suitable for high-altitude installations?
The standard XGN-12 switchgear is designed for altitudes up to 1000m. For installations at higher altitudes, a custom design is available. Similarly, the minimum ambient temperature can be extended to −25°C upon request, making it adaptable to a wide range of geographic and climatic conditions.