Matches 1 - 50 out of 156 1 2 3 4 >
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...
7551050 Contactor assembly with arc steering system  
A contactor assembly includes a stationary contact, an arc contact, an arc arrestor, and a magnetic intensifier. The magnetic intensifier is constructed to be secured in generally close proximity...
7518477 Electromechanical circuit breaker and method of breaking the current in said electromechanical circuit breaker  
The electromechanical circuit breaker is intended to establish and break the current in a main circuit ( 3, 4 ) and comprises a fixed contact element ( 5 ) and a moving contact element ( 6 ) which...
7417520 Contactor for direct current and alternating current operation  
The invention relates to a contactor for direct current and alternating current operation with at least one contact point with a fixed contact and a movable contact, at least one permanent magnet,...
7259646 Electrical service device having an arc prechamber area, prechamber plates and a current-limiting arc-quenching device  
The invention proposes an electrical service device, in particular line circuit breaker or motor circuit breaker, having a housing having connection means ( 20, 21 ) for the purpose of connecting...
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...
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...
7067758 Electric power circuit breaker comprising a connecting bar and an arcing horn  
An electric power circuit breaker includes a connecting bar against which an arcing horn rests with an attaching limb. The connecting bar extends through an opening of a rear wall of the housing....
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...
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...
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...
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...
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...
6798325 Connector rail made of profiled semifinished products for electrical devices and appliances for various nominal currents  
A connector rail includes a full profile which is provided with first bearing surfaces and second bearing surfaces which are used to provide support in the window opening of the rear wall of the...
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...
6777636 Low-voltage power switch with a bearing arrangement for a switch shaft  
A low-voltage power switch, includes a drive device, fixed by way of a supporting framework and an associated switch shaft, fixed by way of two axially external bearing sub-assemblies, to the...
6777635 Very high-speed limiting electrical switchgear apparatus  
A limiting circuit breaker comprises two separable contacts 68, 70 and a mechanism 12 with energy storage 36 operated by an opening catch 30 . The mechanism 12 drives a movable cage 58 ...
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...
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...
6542057 Pressure sensitive trip mechanism for a rotary breaker  
A pressure sensitive trip mechanism for actuating a circuit breaker operating mechanism to trip a circuit breaker includes a trip lever and a trip bar. The trip lever is rotatable about a first...
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...
6441709 Device for short-circuit protection  
The current-limiting mechanism is provided in particular in order to protect electromechanical contactors from being welded by a short-circuit load. In a first step, the current-limiting mechanism...
6429759 Split and angled contacts  
A contact arrangement for a circuit breaker is disclosed. The movable and the stationary contacts within the breaker are each split and angled such that one contact forms a female V cross sectional...
6426688 Modular contact system for different frame sizes  
A circuit breaker rotary contact arm is used within a plurality of single pole modules ganged together to form a single multi-pole circuit breaker. To provide for use in quiescent conditions having...
6417474 Electrical switching apparatus having an arc runner with an elongated raised ridge  
A circuit breaker includes a load terminal and a line terminal; a pair of main contacts; a separable pair of arcing contacts; and a moving conductor assembly having a contact carrier mounted for...
6414255 Switch  
A switch device for switching an electrical connection between two connection parts is disclosed. Conventional switch devices comprise a contact lever having a switch contact, the flow of current...
6403909 Trip override for rotary breaker  
A circuit breaker assembly includes first and second rotary contact assemblies mountable to a base member, a circuit breaker operating mechanism mounted to the first rotary contact assembly, and a...
6403901 Spring biased contact system including a rotatable symmetrical contact with two lever arms  
A contact system having a two-armed contact arm equipped at its opposite ends with contact pieces that can be brought into and out of contact with corresponding contact pieces of stationary...
6400245 Draw out interlock for circuit breakers  
A draw out interlock mechanism comprises a draw out trip arm pivotally attached in a draw out circuit breaker and an interlock activating assembly attached to a the draw out circuit breaker. The...
6400243 Contact shoe device for circuit breaker  
A contact shoe device for a circuit breaker is formed of a case, at least one pair of fixed contact shoes disposed in the case, at least one movable contact shoe disposed in the case for bridging...
6396369 Rotary contact assembly for high ampere-rated circuit breakers  
A circuit breaker rotary contact assembly employs a rotor assembly to operate the moveable contact arms. Separate pivots are provided to the rotor assembly and the moveable contact arms to ensure...
6392512 Stationary line bus assembly  
A circuit breaker ( 10 ) including a stationary line bus assembly ( 47 ). The stationary line bus assembly ( 47 )comprises a bus body ( 124 ) supported by support legs ( 132 ) with the bus body (...
6373014 Current limiting device and circuit interrupter having a current limiting function  
A current limiting device includes first and second contact members, each contact member having, at a first end, contacts defining a contact pair; a contacting pressure is applied to said contact...
6331687 Control method and device for a switchgear actuator  
A current interrupter (4) includes a current interrupting device (4) having at least one movable contact (71); an actuator (8) coupled to the movable contact (71) of the current interrupter (4); a...
6326868 Rotary contact assembly for high ampere-rated circuit breaker  
A circuit breaker rotary contact arm is used within a plurality of single pole circuit breakers ganged together to form a single multi-pole circuit breaker. To provide uniform contact wear among...
6281459 Circuit interrupter having an improved slot motor assembly  
A circuit interrupter including a housing, separable main contacts within the housing, and an operating mechanism within the housing and interconnected with the contacts. An arc extinguisher...
6281458 Circuit breaker auxiliary magnetic trip unit with pressure sensitive release  
An auxiliary magnetic trip unit for a circuit breaker arranged on the load strap of an industrial-rated circuit breaker to interrupt circuit current upon occurrence of a high-level short circuit...
6271493 High voltage disconnector with fixed and locking members secure under Lorentz forces  
A high voltage disconnector comprising a fixed contact and a movable contact to the latter to produce an electrical connection between a first conductor and a second conductor, the movable contact...
6262642 Circuit breaker rotary contact arm arrangement  
A rotary contact arrangement for circuit breakers of the type including a pair of contact springs arranged on each side of a rotary contact arm, as the contact springs interconnect between the...
6259048 Rotary contact assembly for high ampere-rated circuit breakers  
A circuit breaker rotary contact assembly employs a common pivot between the rotor assembly and the rotary contact arm. A pair of off-center expansion springs directly engage the rotor at one end...
6242707 Arc quenching current limiting device including ablative material  
A current limiting device for protecting electrical circuits has a case and a pair of separable electrodes disposed within the case. Each electrode has a plurality of openings with an ablative...
6232856 Magnetic shunt assembly  
A ferromagnetic structure for use in a circuit interruption mechanism, the, ferromagnetic structure has a first ferromagnetic layer having a lower surface and an upper surface, a second...
6225884 Circuit breaker with mechanical trip load terminal/magnet barrier  
A circuit breaker having a magnetic trip assembly includes a load terminal conductor having a first section, a second section, and a transition section connecting the first section and the second...
Matches 1 - 50 out of 156 1 2 3 4 >