The ring main unit (RMU) is a compact switchgear device designed for 10kV ring-type power supply systems. It utilizes a combination of load switches and fuses to achieve fault isolation and power transfer, ensuring uninterrupted power supply. Widely applied in urban distribution networks, residential communities, and renewable energy (wind/solar) power stations.
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HXGN series metal-enclosed ring main unit switchgear

HXGN-type 10kV AC modular SF6 ring main unit switchgear represents an advanced generation of metal-enclosed switchgear using SF6 switches as the main switching components. The entire cabinet employs air insulation, featuring compact and simple structure, flexible operation, and convenient installation.

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XGN-12 SF6 gas-insulated metal-enclosed ring main unit switchgear

SF6 switchgear is suitable for AC 10KV, 50/60Hz power distribution systems and widely used in urban power grid construction and renovation projects, industrial and mining enterprises, high-rise buildings, and public facilities.

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XGN-40.5 intelligent SF6 gas-insulated metal-enclosed ring main unit switchgear

The 35kV SF6 gas-insulated switchgear features a compact structure, fully enclosed design, complete insulation, long service life, maintenance-free operation, small footprint, high reliability, and immunity to environmental conditions. It is widely used in industrial and civil cable ring networks and power supply system terminals.

3S Industry
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