The XGN66-12 Fixed-Type High Voltage Closed Switchgear is an advanced power distribution ring main unit (RMU) designed for reliable and efficient power distribution. This unit is engineered to meet national and international standards, including GB3906, DL/T404, and IEC60298, ensuring high performance and safety.
With its compact design, the XGN66-12 switchgear takes up only 50% of the space compared to traditional switchgear, making it an ideal solution for power plants, substations, industrial facilities, and high-rise buildings. It features a high-reliability circuit breaker, an effective “five-prevention” interlocking system, and strong monitoring and protection capabilities.
Key Features
- Compact and Space-Saving Design – 50% smaller than traditional switchgear, making it ideal for space-constrained installations.
- High-Reliability Circuit Breaker – Provides strong performance and enhanced operational safety.
- Advanced Interlocking System – Ensures secure operation with a robust “five-prevention” mechanism.
- Versatile Applications – Suitable for power plants, substations, industrial zones, and high-rise buildings.
- Meets International Standards – Compliant with GB3906, DL/T404, and IEC60298 for high-voltage electrical systems.

Technical Specifications
Parameter | Value |
---|---|
Model NO. | XGN66 |
Voltage Level | High Voltage |
Installation | Fixed |
Structure | Withdrawable |
Current Type | AC |
Frequency | 50Hz |
OEM Services | Available |
Protection Level | Enclosure IP4X |
Rated Voltage | Up to 12kV |
Rated Current | Up to 1250A |
Transport Package | Wooden |
Specification | Customized |
Production Capacity | 100 units per week |
Working Conditions
- Altitude: ≤ 1000m
- Ambient Temperature: -25ºC ~ +40ºC (24-hour average does not exceed +35ºC)
- Horizontal Inclination: ≤ 3º
- Seismic Resistance: ≤ 8º
- Environment: No severe vibration, shock, or explosion hazards
A power distribution ring main unit (RMU) is a high-voltage switchgear designed for medium-voltage electrical distribution networks. It allows for efficient power flow management, enabling multiple power sources to be connected, ensuring power redundancy and reliability. RMUs are widely used in substations, industrial zones, and urban infrastructure.
The XGN66-12 RMU offers several advantages, including:
Compact Design – Takes up less space compared to traditional switchgear.
High Safety Standards – Complies with GB3906, DL/T404, IEC60298.
Reliable Protection – Advanced interlocking and arc-resistant structure.
Durable Construction – Built for long-term performance in demanding environments.
This RMU is ideal for use in:
Power Plants and Substations – For high-voltage power distribution.
Industrial and Commercial Facilities – To ensure stable energy management.
High-Rise Buildings – Providing safe and efficient power control.
Renewable Energy Projects – Enhancing grid stability and power flow control.