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Outdoor Switchgear
The XGW-12 Series Primary and Secondary Fusion Standardized Ring Cage (Switching Institute) is an advanced SF6 gas-insulated outdoor ring main unit (RMU) , independently developed and manufactured by our company.
This product is specifically designed based on:
The unique characteristics of power distribution networks across various regions of China
Practical requirements of urban distribution network cable transformation projects
The XGW-12 series integrates primary and secondary equipment into a standardized, modular, and highly compact switching solution.
| Feature | Description |
|---|---|
| Modularity | Easy configuration and future expansion |
| Scalability | Adapts to growing network demands |
| High insulation performance | Reliable operation in challenging conditions |
| Complete gas sealing | SF6 sealed for maintenance-free operation |
| Operational safety | Built-in safety interlocks and protections |
| Maintenance-free design | Reduces lifecycle costs |
Wireless temperature measurement
Online monitoring devices
These enhance intelligent operation and grid reliability.
Thanks to its robust construction and full insulation design, the XGW-12 series performs reliably even in harsh environmental conditions, including:
✅ High humidity
✅ Extreme temperatures
✅ Polluted areas (industrial, coastal, desert)
The XGW-12 series is an ideal choice for a wide range of urban and industrial power distribution applications:
| Application Area | Description |
|---|---|
| Industrial parks | Reliable power distribution for factories and facilities |
| Residential communities | Safe and maintenance-free operation for housing complexes |
| City streets and boulevards | Compact design for urban infrastructure |
| Airports and transportation hubs | High reliability for critical facilities |
| Commercial and public buildings | Flexible configuration for various load types |
| Business centers and high-density urban areas | Intelligent monitoring for grid automation |
✅ Excellent adaptability to local network conditions
✅ Intelligent monitoring capabilities
✅ Maintenance-free operation
✅ Significantly improves safety, stability, and automation level of medium-voltage distribution networks
| Parameter | Value | Unit |
|---|---|---|
| Rated voltage | 12 | kV |
| Rated current | 630 | A |
| Power frequency withstand voltage | 48 | kV |
| Lightning impulse withstand voltage (peak) | 85 | kV |
| Rated breaking current | 630 | A |
| Rated short-circuit switching current (peak) | 50 | kA |
| Rated short-time withstand current | 20 | kA/S |
| Rated peak withstand current | 50 | kA |
| Degree of protection (housing) | IP44W | – |
| Degree of protection (internal compartment) | IP2XC | – |
| Noise level | 45 | dB |
✅ SF6 gas-insulated – compact, reliable, maintenance-free
✅ Primary and secondary fusion – integrated intelligent monitoring
✅ Rated voltage: 12 kV
✅ Rated current: 630 A
✅ High withstand voltage: 48 kV (power frequency) / 85 kV (impulse)
✅ High short-circuit capacity: 50 kA peak
✅ Protection rating: IP44W (housing) / IP2XC (internal)
✅ Low noise: 45 dB
✅ Optional wireless temperature measurement and online monitoring
✅ Designed for harsh environments – high humidity, extreme temperatures, polluted areas
| Feature | XGW-12 Series | Traditional RMU |
|---|---|---|
| Insulation | SF6 gas-sealed | Air or less efficient gas |
| Primary/secondary integration | Yes (fusion) | Separate |
| Maintenance | Maintenance-free | Regular maintenance required |
| Protection rating | IP44W / IP2XC | Lower (typically IP3X) |
| Intelligent monitoring | Optional (wireless temp + online) | Limited or none |
| Environmental adaptability | Excellent (harsh conditions) | Moderate |
| Noise level | 45 dB (low) | Higher |
Q: What is an RMU?
A: An RMU (Ring Main Unit) is a compact, sealed switchgear used for medium-voltage power distribution in ring networks. It combines load break switches, fuses, and circuit protection in one unit.
Q: What is "primary and secondary fusion"?
A: It means the primary equipment (switches, busbars, circuit breakers) and secondary equipment (protection relays, monitoring, control) are integrated into a standardized, intelligent system for better automation and reliability.
Q: What is the rated voltage and current?
A: 12 kV and 630 A.
Q: What is the protection rating?
A: Housing: IP44W (dust-tight, protected from water splashes from all directions, weather-resistant). Internal compartment: IP2XC (protection against solid objects >12.5mm).
Q: Is the unit maintenance-free?
A: Yes. The SF6 gas-sealed design eliminates the need for regular maintenance, reducing lifecycle costs.
Q: Can it be used in harsh environments?
A: Yes. It is designed for high humidity, extreme temperatures, and polluted areas (industrial, coastal, desert).
Q: What optional intelligent features are available?
A: Wireless temperature measurement and online monitoring devices for enhanced grid automation.
Q: What is the noise level?
A: 45 dB – very low, suitable for residential and commercial areas.
Q: What applications is it suitable for?
A: Industrial parks, residential communities, city streets, airports, commercial buildings, and high-density urban areas.
| Item | Details |
|---|---|
| Packaging | Sturdy wooden crates with protective inner packaging |
| Shipping methods | Sea freight / Air freight / Land freight |
| Documentation | Packing list, commercial invoice, quality certificate, test reports (upon request) |
