XGN15-12 SF6 Gas-Insulated Ring Main Unit (RMU) – 12kV Metal-Enclosed Medium Voltage Switchgear for Urban Power Distribution
The XGN15-12 series is a high-reliability, unit-type metal-enclosed switchgear utilizing SF6 gas insulation for superior dielectric strength. Designed for 12kV three-phase AC 50/60Hz systems, this compact Ring Main Unit (RMU) is specifically engineered for urban grid modernization, industrial load control, and distribution automation. Featuring a modular design with an integrated intelligent microcomputer protection terminal and real-time gas pressure monitoring, it ensures maximum safety and synchronized three-phase operation. Its space-saving footprint and robust “Five-Preventions” mechanical interlock system make it the ideal choice for high-rise buildings, residential substations, and industrial power centers.
XGN15-12 SF6 Gas-Insulated Ring Main Unit (RMU) Cabinet
Product Overview
The XGN15-12 series is an advanced indoor unit-type metal-enclosed switchgear designed for 12kV three-phase AC power distribution systems. Utilizing SF6 (Sulfur Hexafluoride) gas as the primary insulation and arc-quenching medium, this Ring Main Unit (RMU) offers a compact and modular solution for high-density electrical environments. It is an ideal choice for urban grid modernization, commercial complexes, industrial power centers, and box-type substations.
Core Features & Technical Advantages
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Advanced SF6 Insulation Technology: Employs SF6 gas to ensure high dielectric strength and superior arc-extinguishing capabilities within a hermetically sealed environment.
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Intelligent Monitoring & Protection: Equipped with an integrated microcomputer protection terminal and digital meters for real-time tracking of voltage, current, and system health.
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Reliable Gas Pressure Control: Features a front-mounted SF6 gas pressure gauge with color-coded safety zones to ensure the insulation medium remains at optimal levels.
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Modular Unit Configuration: The unit-type design allows for flexible combinations of various functional modules to suit diverse distribution requirements.
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Enhanced Operational Safety: Includes a clear circuit mimic diagram on the front panel and a robust mechanical interlock system to prevent misoperation and ensure personnel safety.
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Industrial-Grade Ventilation: Designed with perforated metal cooling panels (black mesh sections) to facilitate natural airflow and heat dissipation for internal components.
Technical Specifications
| Item | Description |
| Model | XGN15-12 |
| Rated Voltage | 12kV |
| Insulation Medium | SF6 Gas |
| Enclosure Material | High-quality metal-enclosed cabinet |
| Application | Power distribution, control, and short-circuit protection |
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