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General
FN12-12D and FN12-12DR load break switch and fuse switch is a three phase H.V. switch equipment of 12KV, 50Hz for breaking or closing load current, no-load transformer and cable charging current and closing short-circuit current. The fuse switch can break short circuit current, the load switch with earth switch can withstand short-circuit current. It is especially suitable for ring main network or terminal power supply substation, to control load and protect from short circuit.
Type and meaning
