12kV Ring Main Unit (RMU) | Medium Voltage Switchgear
12kV Ring Main Unit (RMU) | Medium Voltage Switchgear
12kV Ring Main Unit (RMU)
The Huada 12kV Ring Main Unit (RMU) is a compact medium-voltage switchgear designed for reliable power distribution, transformer protection, and fault isolation in modern electrical networks. Engineered in accordance with IEC standards, it provides a safe, efficient, and flexible solution for medium-voltage distribution systems up to 12kV.
The RMU is available in multiple configurations, including 2L, 2L1F, and 2L1V, with options for SF₆ insulation, solid insulation, or vacuum switching technology to meet different project requirements. Its modular design allows easy expansion and customization, making it suitable for a wide range of applications.
Designed with operator safety in mind, the RMU features mechanical interlocking, a fully enclosed structure, and dependable switching performance. It supports both manual and motorized operation and can be integrated with SCADA systems for remote monitoring and control.
Huada RMUs are widely used in utility distribution networks, industrial plants, commercial buildings, residential developments, renewable energy projects, and transformer substations, ensuring continuous power supply and minimizing downtime during fault conditions.
With over 40 years of manufacturing experience, Huada provides reliable medium-voltage solutions supported by professional engineering, strict quality control, and OEM/ODM customization services for customers worldwide.
Key Features
- Rated Voltage: 12kV
- Rated Current: Up to 630A / 1250A
- Short-Circuit Withstand Current: Up to 31.5kA
- Available Configurations: 2L, 2L1F, 2L1V
- Insulation Options: SF₆ / Solid Insulated
- Operation: Manual or Motorized
- Standard: IEC 62271 Series
- Applications: Utility, Industrial, Commercial, Solar & Wind Power, Residential Distribution