12kV SF6 Gas Insulated Ring Main Unit RMU Metal Enclosed For Urban Power Grids

1 2 3 4 5 12kV SF6 Gas Insulated Ring Main Unit RMU Metal Enclosed For Urban Power Grids

Brand Name Dong Sheng Yuan Model Number 10kV semi-insulated ring main unit (XGN15-12 ring main unit) Place of Origin China Delivery Time T+30 Payment Terms TT Enclosure Type Metal-enclosed Quality High quality Applicant Indoor Ambient Air Temperature -30℃～+40℃ Voltage Level Medium voltage

10kV Semi-Insulated Ring Main Unit (XGN15-12 Ring Main Unit) The XGN15-12 Ring Main Unit (RMU) is a compact, modular gas-insulated switchgear designed for 12kV medium-voltage distribution networks. Using SF6 gas for insulation and arc extinguishing, this fully enclosed unit offers exceptional safety, reliability, and a decades-long, maintenance-free service life. Why Choose XGN15-12? Solving Your Power Distribution Challenges Are you facing these common challenges in your urban or industrial power projects? Limited Space: Traditional switchgear is often too bulky for confined urban distribution rooms or underground facilities. High Maintenance Costs: Frequent inspections and upkeep are time-consuming and drive up operational expenses. Safety Risks: Exposed equipment can be vulnerable to environmental factors, posing a risk of arc faults. The XGN15-12 RMU was engineered to solve these very problems. Its compact design saves up to 40% of footprint, its fully sealed gas tank offers maximum protection, and its maintenance-free nature significantly reduces your long-term operating costs. Core Functions and Technical Highlights Rated Voltage: 12kV Modular Unit Design: Flexible feeder combinations can be customized to meet project needs. SF6 Gas Insulation: A fully sealed gas tank ensures a long service life. Three-Position Switch: Integrates load break, disconnector, and earth functions with reliable mechanical interlock. High Safety: Suitable for various indoor installations, ensuring safe operation even in confined spaces. Product Details and Craftsmanship Highlights Thickened Cold-Rolled Steel Cabinet: Made using a thickened cold-working sheet metal process, the cabinet is strong and solid with reliable quality. It is anti-corrosion and anti-rust, ensuring the equipment is durable and resistant to external environmental factors. Standardized Wiring: Wiring is performed by professional electrical engineers, ensuring a stable structure and a neat, clear layout that greatly facilitates future maintenance. User-Friendly Design: A multi-hole cooling design effectively lowers the internal cabinet temperature to prevent accidents. Pop-up Door Lock: Features a waterproof design to better protect the lock core from corrosion. Intelligent Detection Instruments: Conveniently allows for real-time observation and monitoring of current and voltage values. Strict Production Testing: Products undergo layer-by-layer testing before leaving the factory, ensuring every unit meets high standards. Technical Specifications No. Parameter Unit Value 1 Rated Voltage kV 12 2 Rated Frequency Hz 50 3 Main Busbar Rated Current / Max Fuse Rated Current A 630, 125 4 Main Circuit, Earthing Circuit Rated Short-time Withstand Current kA/s 20, 3 5 Main Circuit, Earthing Circuit, Rated Peak Withstand Current kA 50 6 Main Circuit, Earthing Circuit,t Rated Short-circuit Making Current kA 50 7 Load Switch Breaking Capacity Operations Times 100 8 Fuse Breaking Current kA 31.5, 40 9 Rated Closed-loop Breaking Current A 630 10 Rated Transfer Current A 1600 11 Mechanical Life Times 2000 12 1min Power Frequency Withstand Voltage (Peak) Phase-to-Phase, Phase-to-Ground / Across Isolation Gap kV 42, 48 13 Lightning Impulse Withstand Voltage (Peak) Phase-to-Phase, Phase-to-Ground / Across Isolation Gap kV 75, 85 14 Secondary Circuit 1min Power Frequency Withstand Voltage kV 2 15 Protection Degree - IP3X Technical Data for Optional Functional Modules Thanks to the XGN15-12's modular design, various functional units can be flexibly configured to meet project requirements. SFL Module Technical Data Parameter Unit 12kV 17.5kV 24kV Rated Voltage kV 12 17.5 24 Impulse Withstand Voltage kV 75 95 125 One-Minute Power Frequency Withstand Voltage kV 28 38 50 Rated Current A 630 630 630 Making Capacity kA 50 50 40 Thermal Withstand Current kA/s 20, 3 -- -- Breaking Capacity A 1700 -- -- Max Fuse A 125 -- -- Pole Pitch mm 210 210 210 VD4-S Module Technical Data Parameter Unit 12kV 17.5kV 24kV Rated Voltage kV 12 17.5 24 Impulse Withstand Voltage kV 75 95 125 Power Frequency Withstand Voltage kV 28 38 50 Rated Current A 630 630 630 Thermal Withstand Current kA/s 20, 3 -- -- Pole Pitch mm 210 210 210 Applications This product is suitable for AC 50Hz, 12kV power systems and is widely used for industrial and civil cable ring networks and terminal supply. It is especially ideal for the following locations: Small Secondary Substations Switching Stations Urban Residential Area Distribution Industrial and Mining Enterprises Shopping Malls, Airports, and Metro Systems Wind Power Generation, Hospitals, and Stadiums Railways Frequently Asked Questions (FAQ) 1. What is the difference between the XGN15-12 RMU and traditional Air Insulated Switchgear (AIS)? Compared to traditional AIS, the XGN15-12 RMU is more compact, saving up to 40% on installation space. Its fully sealed gas insulation provides higher safety, is maintenance-free, and significantly reduces long-term operating costs. 2. Is the XGN15-12 suitable for both ring and radial networks? Yes. Its modular design supports both configurations, allowing it to adapt to different network topologies flexibly. 3. What is the SF6 gas pressure? The units are factory pre-filled to 0.04-0.06 MPa, with a hermetically sealed design that ensures a lifetime of no gas refilling. 4. Can it integrate with a vacuum circuit breaker? Yes. A breaker module can be added to the RMU for applications like transformer protection. 5. What is the cabinet's protection level? The cabinet has an IP3X protection rating, while the SF6 gas tank has an IP67 rating, ensuring maximum protection from the external environment. Get More Information We provide a one-stop solution for your project. Contact our engineering team today for the professional support you need. Request a Free Quote: Get a custom quote tailored to your project requirements. Download Technical Data: Access detailed product brochures and technical specifications. Schedule an Expert Consultation: Speak one-on-one with our engineers to get all your technical questions answered.

Product Tags: Metal Enclosed Ring Main Unit   SF6 Gas Insulated RMU   Sf6 Rmu For Urban Power Grids