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Performance: Being in draw-out type switch cabinet, it’s a set of distribution equipment in small engine room of the single bus bar and bus bar section system of marine 3-phase,50Hz medium voltage power system; the rating voltage is 3-12kv, two kinds of rating frequency：50Hz and 60Hz, 630-1600A rating current, and the hull protection grade reaches IP42.the technology index of moisture-resistance capacity, hull inclination and swing, mould fungus and salt mist, etc, all meet the specification requirements of relative classes.
Structure: The switchboard whose basic frame is plate-type block mount structure, consists of two parts: cabinet and handcart, the internal of the cabinet is separated into 3 independent high voltage rooms and 1 control room by the earthed metal plate, of which the 3 high voltage rooms(handcart room, cable vault, bus bar room) have their own independent top pressure relief channel and surge chamber to release the high pressure and hot gas produced by damping the internal failure.
