Matches 1 - 50 out of 347 1 2 3 4 5 6 7 >
Match Document Document Title
7569784 Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor  
A bearing assembly is provided for an electrical switching apparatus including a housing having at least one parting line and an exterior side, a stationary contact assembly disposed on one side of...
7545245 Manual opening device and electrical switching apparatus employing the same  
A manual opening device is for an electrical switching apparatus, such as a synchronous circuit breaker, including a housing having an opening, a plurality of pole mechanisms each comprising...
7518076 Electrical switching apparatus, and charging assembly and interlock assembly therefor  
An interlock assembly is provided for a circuit breaker charging assembly. The charging assembly includes a cam shaft, a latch mechanism, such as a D-shaft, a latch assembly, and a charging handle....
7474179 Electrical switching apparatus, and movable contact assembly and contact spring assembly therefor  
A contact spring assembly is provided for an electrical switching apparatus including a movable contact assembly and a stationary contact assembly having stationary electrical contacts. The movable...
7391289 Systems, methods, and device for actuating a circuit breaker  
Certain exemplary embodiments comprise a device comprising: a trip mechanism adapted to engage an operating mechanism of an alternating current circuit breaker, said trip mechanism comprising: a...
7369022 Auxiliary switch sub-assembly and electrical switching apparatus employing the same  
An auxiliary switch sub-assembly is provided for a telecommunication system circuit breaker including a housing having an opening, separable contacts inside the housing, and an operating mechanism...
7336146 Moving contact carrier arrangement for a circuit breaker mechanism  
A circuit breaker mechanism comprises a line terminal, a load terminal and a set of contacts between the terminals. A fixed contact is connected to the line terminal, and a moving contact is...
7221246 Split rotor system and method with springs  
A rotor assembly may include first rotor half, a first spring supported with the first rotor half, a second rotor half, and a second spring supported within the second rotor half, wherein the first...
7217895 Electrical switching apparatus contact assembly and movable contact arm therefor  
A contact assembly for a circuit breaker includes a fixed contact, a movable contact, and a movable contact arm. The movable contact arm includes a first end carrying the movable contact, a second...
7189935 Contact arm apparatus and method of assembly thereof  
A contact arm assembly having a contact arm module is disclosed. The contact arm module includes a set of contact arms, two side plates, a pivot pin, and a set of springs. Each contact arm includes...
7148775 Contactor assembly for circuit breaker  
A contactor assembly for a circuit breaker is disclosed. There is provided a contactor assembly, wherein stationary pins fixed to a rotary shaft and supporting one ends of springs and limit pins...
7148774 Contact assembly  
A circuit breaker contact assembly includes a line conductor having a folded back fixed contact end, a fixed contact mounted on the contact end, and a movable contact arm having an inner edge and...
7145419 Contactor assembly for a circuit breaker  
A contactor assembly for a circuit breaker comprises a first spring supporting pin, a cam plate, a second spring supporting plate, a link, and a spring. When a movable contactor is rotated without...
7141751 Breaker for providing successive trip mechanism based on PTC current-limiting device  
Disclosed is a breaker for providing successive trip mechanism based on PTC current-limiting device, which includes a first switch having first fixed/movable contact points; a second switch having...
7138892 Method and apparatus for soft-fault tolerant circuit interruption  
In accordance with one embodiment, the present technique provides a circuit interrupter. The exemplary circuit interrupter includes conductive spanner that completes an electrical pathway between...
7102471 Electrical power breaker with a switching contact arrangement having a current loop  
A power breaker includes a switching contact arrangement having a current loop in order to allow a force dependent on the current to act on the contact members. For this purpose, sections, which...
7081596 Arc-quenching device for circuit breakers having double-break contacts  
The present invention relates to an arc-quenching device for circuit breakers having double-break contacts for use in low-voltage distribution systems. Provided around a prechamber ( 41 ) is a...
7034642 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating  
A moving contact assembly for a high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer...
7026894 Method and apparatus for magnetically tripping circuit breakers  
An apparatus for interrupting an electrical short circuit current in an electrical distribution system having a plurality of phases is disclosed. The apparatus includes a housing, a plurality of...
7009129 Switching device comprising a breaker mechanism  
A switching device including housing and a breaker mechanism, the latter consisting of a trip lever, a catch, a displaceable contact arm and a deflection shaft that is fixed to the housing. The aim...
7005594 Movable contactor assembly of circuit breaker  
Disclosed is a movable contactor assembly of a circuit breaker capable of enhancing a current limiting function by maintaining a contact state between a movable contactor and fixed contactors in a...
6989501 Current limiting circuit breaker  
A multipole current limiting circuit breaker comprising an insulating enclosure that contains: a) for each pole, at least one fixed contact and at least one movable contact, which can be mutually...
6987657 Voltage surge protection device  
A device for protection against voltage surges comprises a stationary electrode and a movable electrode arranged facing an arc extinguishing chamber. The movable electrode is driven by a...
6985059 Circuit breaker handle block  
A circuit breaker includes a crank for coupling a rotary arm breaker mechanism to the cradle. The crank has a protrusion which cooperates with a handle yoke to restrict movement of the operating...
6975190 Contactor device of circuit breaker  
A contactor device of a repulsion-type circuit breaker includes a first movable contactor with a first movable contact to be driven by an open-close mechanism; a fixed contactor; a second movable...
6970059 Slot motor including legs engaging openings of circuit breaker housing and electrical switching apparatus employing the same  
A circuit breaker includes a housing having first and second openings, with stationary and movable separable contacts disposed therein. An operating mechanism is disposed in the housing, is coupled...
6969816 Switching arrangement for low-voltage circuit breakers  
A switching arrangement for low-voltage circuit breakers with a high nominal current includes movable switching contacts arranged essentially on a moveable contact carrier. It further includes...
6952149 Apparatus for interrupting a short circuit in a circuit breaker  
A circuit breaker includes a housing, an operating mechanism, and a cassette. The cassette includes a separable current path having a movable contact arm, two arc receptors each disposed for...
6924720 Circuit breaker  
A circuit breaker includes a movable contact, a fixed contact, a switching device, a switching operation handle, and an over-current tripping device. The switching device has a switching lever...
6924445 Low-voltage circuit breaker  
A low-voltage circuit breaker, comprising: at least one first fixed contact, which is electrically connected to a terminal for connection to an electric circuit; a rotating moving contact, which...
6879227 Switching contact arrangement  
A switching contact includes a rocker-type leaf spring as a contact force spring in order to produce the contact force required for a contact lever A drag bearing thereof is disposed between the...
6864765 Circuit breaker  
A circuit breaker includes a housing; separable contacts mounted in the housing; and an operating mechanism for opening and closing the separable contacts. An overcurrent assembly is responsive to...
6838962 Wire lug/arc vent barrier molded case circuit breaker  
The present invention provides a wire lug arc vent barrier for protecting a wire lug in a molded case circuit breaker, with the circuit breaker having a housing with a terminal for a load...
6828885 Circuit breaker and method for producing same  
A circuit-breaker including a an interrupter chamber housing that includes a plastic material and houses an interrupter. The interrupter includes at least one stationary contact member, which, via...
6819205 Current limiting low-voltage power circuit breaker  
A low-voltage power circuit breaker includes a current-limiting opening of a mobile switching contact. The force-transmitting connection between the actuating shaft lever and the mobile switching...
6791440 Apparatus for electrically isolating circuit breaker rotor components  
An electrically isolating iso bearing for a circuit breaker is provided that comprises an inner surface, an outer surface, and a body extending therebetween, said inner surface comprising a pair of...
6747533 One piece air-core coil mounting bracket  
A mounting bracket for a circuit breaker air-core coil includes a unitary body having a generally U-shaped body. The body has at least one retaining form structured to fit over a fastener head....
6717089 Electric pole for low-voltage power circuit breaker  
An electric pole for a low-voltage power circuit breaker, comprising: a fixed contact and a movable contact which can be mutually coupled/uncoupled; at least two conducting elements, suitable to...
6689979 Switching contact arrangement of a low voltage circuit breaker with main contacts, intermediate contact and arcing contacts  
A switching contact arrangement for a low-voltage power circuit breaker includes a switching contact arrangement with a stationary contact group and a movable contact group which interacts with it....
6639168 Energy absorbing contact arm stop  
A circuit breaker cassette comprises a housing having a fixed contact, and a movable contact on a contact arm. The contact arm is positionable in a closed position and an open position, wherein the...
6590173 Molded case circuit breaker  
A current-interrupting section of a molded case circuit breaker includes fixed contact shoes and a rotary bridge-type contact shoe held in a contact shoe holder. A pair of pressure springs is...
6590172 Circuit breaker mechanism for a rotary contact system  
A circuit breaker is provided wherein the circuit breaker comprises a contact arm movable between a closed position, an open position and a blown open position wherein the contact arm is disposed...
6573815 Circuit breaker  
The circuit breaker includes a stationary contact member having a stationary contact, a movable contact member having at one end a movable contact contacting and separating from the stationary...
6570116 Current carrying assembly for a circuit breaker  
A blade assembly for use in a circuit breaker, the blade assembly comprising a plurality of blades, including one or more pairs of adjacent side-by-side blades having coplanar contact surfaces and...
6563407 Pivot joint for a movable contact arm in a molded case circuit breaker  
A pivot joint for a movable contact arm assembly and a circuit breaker having an operating mechanism coupled to a line terminal, a trip mechanism and a load terminal with the load terminal coupled...
6563406 Multi-pole circuit breaker with parallel current  
A circuit breaker includes a plurality of poles that are connected with one another in parallel, and additionally includes a mutual connection connecting the poles with one another to isolate the...
6480082 Circuit breaker  
A circuit breaker having a safe construction, where no electrically charged portions are exposed in an accessory installation area or anywhere outside a main circuit case even if a cover of the...
6480080 Molded case circuit breaker  
A molded case circuit breaker includes a switching mechanism and a current-interrupting section. The current-interrupting section is composed of an insulated case, fixed contact shoes arranged...
6456176 Circuit breaker  
In a circuit breaker, bag-like insulating covers 15 are formed integrally with each holder support 14. The holder support 14 is combined with a movable contact holder 13 for holding a...
6448521 Blocking apparatus for circuit breaker contact structure  
A blocking apparatus for blocking a contact structure from closing in a circuit breaker is provided. The apparatus includes a link extending from the circuit breaker and connected to a movable...
Matches 1 - 50 out of 347 1 2 3 4 5 6 7 >