METAL-CLAD SWITCHGEAR Russian patent published in 1997 - IPC

FIELD: power engineering; low-voltage switchgear for auxiliary-supply transformer substations of power stations. SUBSTANCE: switchgear cabinet has compartment with collecting buses and compartment with secondary-circuit terminal assembly. All switchgear cubicles accommodate hand-operated draw-out power circuit breakers whose secondary circuits are connected to terminal assembly of secondary circuits through plug connector. Buses outgoing from lower leads of circuit breaker are arranged between power buses. Bundled conductors running from connector socket of circuit breaker are connected directly to terminal assembly of secondary circuits and also directly to individual circuit-breaker position indicating circuit components mounted on cubicle door. EFFECT: enlarged quantity of power circuit breakers that can be housed in cabinet. 7 dwg