Patent ID: 6437276
Filing Date: 2002-08-20
Classification: H02B

Abstract:
Three-phase-encapsulated high-voltage circuit breaker with a horizontal configuration, in which three circuit breaker poles are arranged side by side within a tubular switch enclosure, comprising:two pole elements which are arranged insulated from a switch enclosure and a first pole element, which is supported in an insulating manner on the switch enclosure, and is fitted with a moving contact piece and a second pole element is fitted with a stationary contact piece; moving contact pieces of the circuit breaker poles have an associated common drive device, which is arranged outside the switch enclosure and is coupled via separate lever drives to the moving contact pieces; and surface-mounted enclosures are provided in the region of ends of the switch enclosure, through which surface-mounted enclosures current feeders to the circuit breaker poles are passed, wherein the two ends of the switch enclosure are each provided with a connecting flange for horizontal connection of a surface-mounted enclosure, the drive device is arranged on the casing surface of the switch enclosure and is attached to a mounting flange in the casing region of the switch enclosure, each pole element of the circuit breaker pole is supported via in each case one insulating post on the casing of the tubular switch enclosure, and the insulating posts for the pole elements which include the moving contact pieces are in the form of bushings for coupling elements, which are connected to the drive device, of the lever drive, each lever drive has a two-armed direction-changing lever, whose rotary bearing is supported via the insulating post on the casing of the switch enclosure.