Urban cable network, compact prefabricated substation, wind & solar power plant, industrial park power supply, commercial complex, railway power distribution.
This 33kV‑40.5kV SF6 gas‑insulated ring main unit adopts fully sealed modular design with sulfur hexafluoride gas as insulation and arc‑extinguishing medium. It features compact structure, high safety, maintenance‑free operation and strong environmental adaptability.
Widely applied in high‑voltage distribution networks, large‑scale industrial zones, new energy power stations, transportation hubs and urban key power supply projects, it realizes reliable power distribution, circuit protection and fault isolation, ensuring stable and efficient power supply for high‑voltage power systems.
ROCKWILL RMR-33 SF6 gas-insulated ring main unit is compact, modular metal-enclosed switchgear for 33kV,35kV and 40.5kV medium voltage distribution network. The high-voltage live parts are fully sealed inside stainless steel gas tank filled with SF6 insulating gas. Rated current 630A, short-circuit withstand current options 20kA /25kA /31.5kA. It complies with IEC 62271-1, IEC 62271-200, IEC 62271-103 and GB 3906. IP67 gas tank protection, low gas leakage rate, complete 5-prevention interlock, supports flexible combination of load break switch, circuit breaker, earth switch and fuse module. Suitable for indoor substations, compact prefabricated substation, wind farm, solar power station and urban cable distribution network.
IEC standard SF6 gas-insulated ring main unit for 33kV, 35kV, 40.5kV systems, offering compact, reliable, and maintenance-free power distribution.
Discover fully sealed SF6 indoor ring main units for 11kV/24kV distribution substations – compact, reliable, and maintenance-free.
Rockwill RMR series 11kV-35kV SF6 gas-insulated ring main unit. Compact, fully enclosed, maintenance-free switchgear for urban distribution.
A: Es handelt sich um eine kompakte, modulare, SF6-gasisolierte und metallgekapselte Ringhauptanlage für 33-kV-, 35-kV- und 40,5-kV-Mittelspannungs-Kabelverteilnetze.
A: Es erfüllt die Normen IEC 62271-1, IEC 62271-200, IEC 62271-103 und GB 3906.
A: Die Bemessungsspannung umfasst 33 kV, 35 kV, 40,5 kV; der Bemessungsstrom 630 A.
A: Weit verbreitet in städtischen Kabelnetzen, vorgefertigten Umspannstationen, Windparks, Solarparks und der industriellen Stromversorgung.
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