Ring Main Unit (RMU)


RVAC Ring Main Unit

RVAC RMU use SF6 gas insulation, load break switch unit uses 3-position SF6 switch as breaking devices, allowing breaking rated current. Circuit breaker unit applies vacuum interrupters as its breaking device, can break short-circuit current. Based on the design concept of full insulation and fully sealed, all primary parts within RVAC RMU are fully sealed inside the stainless-steel main enclosure, protect to against condensation and external contami-nated environment; the protection degree of the main tank body is up to IP68, equipped with Cooper’s water-proofing touchable cable bond, which can provide effective protection against accidental flood in rainy climate.