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Patent Searching and Data


Matches 201 - 250 out of 15,809

Document Document Title
WO/2011/067922A1
The disclosed auxiliary device, which is of a circuit breaker and which may be an external operation handle device and/or an undervoltage release device, is configured with the undervoltage release device separated into two modules that ...  
WO/2011/058120A1
The invention relates to a contact system for each pole of a low-voltage switchgear, comprising a rotary contact mounted movably in a rotor housing 4 against a spring force. The contact system consists of at least one rotary contact body...  
WO/2011/059540A1
A module including a case; an electrical switching device configured to control power to a load; and a controller coupled to the electrical switching device. The electrical switching device and the controller are substantially encapsulat...  
WO/2011/052301A1
Provided is a power connection conductor that makes it possible to compactly store circuit breakers and electromagnetic switches in a power distribution board without resulting in an increase in the area of the power distribution board a...  
WO/2011/042782A1
Disclosed is a direct current breaker device equipped with an overcurrent breaker unit which cuts off the overcurrent supply in wiring, and a step-down unit which steps down the voltage supplied to the overcurrent breaker unit.  
WO/2011/039615A1
A circuit interrupter includes first, second and third electrical conductors, a planar conductive member having first, second and third contacts, and an operating mechanism structured to move the planar conductive member toward the elect...  
WO/2011/035394A1
A three phase fault current limiter (FCL 6) has three spaced apart input terminals (7) for electrically connecting to respective terminals (5) of a transformer (2). Three output terminals (8) electrically connect FCL (6) with a load circ...  
WO/2011/033654A1
Provided is a releasing type electromagnet device, in which a plunger weight is reduced by shortening a plunger length and by adding a stationary iron core but without reducing a plunger diameter. Moreover, a plunger inclination in a bo...  
WO/2011/024529A1
A circuit breaker is provided wherein even if a material property (thermal conductivity) of the stud varies, the number of structural changes of a case and the like can be minimized. A stud (20) comprises a base (21), which is housed in ...  
WO/2011/001956A1
Provided is a direct current circuit breaker which comprises a fixed terminal (42), a movable contact (44), a shaft (46), a sealing container (40), a contact pressure spring (410), a return spring (411), an operation handle (1), a shaft ...  
WO/2010/150706A1
In an alternating current distribution board, circuit breakers (5) and a controller (6) are housed as internal devices, wherein: each of the respective circuit breakers (5) is provided for a corresponding one of branch lines into which m...  
WO/2010/139186A1
A quick trip breaker with the function of pneumatic actuation trip, which comprises a plurality of single-stage breaking units (36) and an operation mechanism (1) with a shared trip rod (17).Each of the single-stage breaking units compri...  
WO/2010/139113A1
An electrical equipment (1) comprises a first member (10) and a second member (12). The first member (10) has a first function assembly (10'), and the second member (12) has a second function assembly (12'). The second member (12) is pla...  
WO/2010/130414A1
The invention is about an electromagnetic trip device (1) for a circuit breaker, with a current path comprising a conductor (13) guiding an electric current through at least one contact point (2, 3) formed between a fixed and a movable c...  
WO/2010/107321A1
The present invention relates to a resistor device for connection between a miniature circuit breaker (20) and a bus bar (22). The resistor device comprises an MCB connector (2) for connection to the miniature circuit breaker (20) and a ...  
WO/2010/090368A1
A superconductor switch includes a superconductor module and an actuator. The superconductor module includes first and second superconductor wires non-inductively wound in a hollow shape in a state where ends of the first and second supe...  
WO/2010/079524A1
A high performance circuit breaker wherein an electric current flows through the first (22) and second (32) contact carrying support. The terminal (24) is crossed by electric current (I1) in a set orientation, whereas the arms (28) are c...  
WO/2010/064108A1
An improved electrical switching apparatus comprises a plurality of electrical switching assemblies in a ganged configuration. A bridging device mechanically connects together the actuator devices of the electrical switching assemblies t...  
WO/2010/034373A1
The invention relates to a miniature circuit breaker (1) having a housing (2) comprising a housing base (3) made of an insulating material, and a cup-like housing cover (4) that can be or is placed on the housing base (3). Two oblong and...  
WO/2010/016114A1
A movable contactor device of a circuit breaker easy to assemble and having a reduced number of components. The movable contactor device of the circuit breaker has movable contactors which are partially disposed between a pair of connect...  
WO/2010/003981A1
The present invention relates to a polyamide composition comprising (amounts are based on the total composition) (A) polyamide, (B) melamine cyanurate and (C) talcum as mineral filler wherein the amount of talcum is higher than 25 wt%, a...  
WO/2009/153644A1
An aircraft circuit breaker includes a housing and a conductive member coupled thereto. The conductive member has a first conductive portion structured to be electrically and mechanically coupled to a conductive panel and a plurality of ...  
WO/2009/139036A1
An electric circuit opening and closing operation device which allows the operator to precisely direct the operating state of a breaker by an operation knob without being affected by the tolerance of operation stroke of a knob of the bre...  
WO/2009/137553A1
A fault interrupter and load break switch includes a trip assembly configured to automatically open a transformer circuit electrically coupled to stationary contacts of the switch upon the occurrence of a fault condition. The fault condi...  
WO/2009/137554A1
A fault interrupter and load break switch includes a trip assembly configured to automatically open a transformer circuit electrically coupled to stationary contacts of the switch upon the occurrence of a fault condition. The fault condi...  
WO/2009/130763A1
An electric circuit opening and closing operation device which allows the operator to grasp the operation knob correctly with no individual variation and stably perform the opening and closing operation. The operation knob (6b) is formed...  
WO/2009/122584A1
To reduce part count, thus cost, by forming a supporting member of an armature integrally with a stationary member, as well as to secure a sufficient magnetic attractive force by preventing a magnetic path via a supporting point from bei...  
WO/2009/110346A1
Provided is a circuit breaker which can quicken the opening/closing speed of a contact and can maintain the performance over a long term. A circuit breaker is constituted such that when a handle is operated to turn about a second rotary ...  
WO/2009/110343A1
Provided is a low-cost circuit breaker which decreased adjustment points. A switching mechanism (6) has a movable bar (30) equipped with a movable contact (32), and a supporting arm and a latch member (50) supported rotatably on a second...  
WO/2009/110347A1
Provided is a circuit breaker the state of which can be grasped surely by indicating the on state, off state and trip state with only one indication member. The circuit breaker comprises a body having a fixed contact (5) and a movable co...  
WO/2009/105916A1
A switching device (12) comprising at least one first contact member (14) being moveable relative to at least one second contact member (16) to reversibly electrically contact the at least one second contact member (16), wherein at least...  
WO/2009/065706A3
The present invention relates to a switching device, in particular an automatic switch, a disconnector or a contactor, with high dependability, for use preferably in low voltage electrical systems. In particular the invention relates to ...  
WO/2009/090001A1
A packet cam switch comprises a plurality of switch chamber modules arranged adjacently and configured identically to one another. Each switch chamber module comprises a separate power switch associated with a circuit. An autonomous actu...  
WO/2009/065706A2
The present invention relates to a switching device, in particular an automatic switch, a disconnector or a contactor, with high dependability, for use preferably in low voltage electrical systems. In particular the invention relates to ...  
WO/2009/065705A1
The present invention relates to an arc chamber for a switching device, in particular a circuit breaker, a disconnector or a contactor, with a high interruption power, to be used preferably in low- voltage electrical systems. The arc cha...  
WO/2009/055853A1
A fault current limiter designed for connection into a medium voltage, high voltage, or extra-high voltage substation or other high voltage source such as a generator station, the limiter including: a ferromagnetic circuit formed from a ...  
WO/2009/041246A1
A process for contact member production in which not only an electrical contact material produced by powder metallurgy and containing a heat-resistant substance can be prevented from deforming or destroying when bonded to a base made of ...  
WO/2009/018729A1
A moving contact of circuit breakers includes an insulated support (1), a pair of fixing plates (2), a grid base (3), a group of grids (4), a rotary supporting shaft (5), a group of parallel conductors (6), a flexible conductive connecti...  
WO/2009/013091A1
The present invention relates to an electrical protective device having a first contact piece (1) and a second contact piece (11) which each have at least one contact surface (2, 12), wherein the contact surfaces (2, 12) of the first con...  
WO/2008/156766A1
A transient voltage suppressing (TVS) circuit with uni-directional blocking and symmetric bi-directional blocking capabilities integrated with an electromagnetic interference (EMI) filter supported on a semiconductor substrate of a first...  
WO/2008/139533A1
An electronic overload relay includes a contact mechanism that switches between a trip position and a reset position, a magnetic circuit in which a stator core, a permanent magnet, and an armature are circularly arranged, a contact-mecha...  
WO2007130321A8
Electrical bypass conductor (2500) adapted for installation in a circuit breaker. The electrical bypass conductor can be operatively electrically coupled to a load side of the circuit breaker and is adapted to transfer electrical energy ...  
WO/2008/131915A1
The invention relates to an installation switching device having an insulation housing with a front side and an attachment side which are connected by means of two wide sides and one narrow input side and one narrow output side, and havi...  
WO/2007/056668A3
Resettable circuit interrupting devices, such as GFCI devices, that include reverse wiring protection, and optionally an independent trip portion and/or a reset lockout portion are provided. The reverse wiring protection operates at both...  
WO/2008/127491A1
Certain exemplary embodiments can provide a system, which can comprise a set of substantially planar arc plates. The substantially planar arc plates can be adapted to cause a dissipation of energy caused by an arc in a circuit breaker. A...  
WO/2008/127028A1
An apparatus for preventing overheating in appliances and electric heat devices includes a shape memory alloy linear actuator linearly contracting by a predetermined deformation amount at a predetermined operating temperature, and a bias...  
WO/2008/095452A1
An electromechanical switching device (10) with at least one current input (A1) and a corresponding current output (T1) is designed, depending on its switching state, to electrically conductively connect the at least one current input (A...  
WO/2008/095682A1
The invention relates to a current-limiting arc-quenching device for an electric switching device (10), comprising at least one contact point (18) that has a fixed and a movable contact piece (19, 21), an arc-quenching laminated core (24...  
WO/2008/077304A1
A switch for overcurrent protection includes a casing (1), a switch circuit and a control assembly (6). The switch circuit has a heat sensitive metallic strip (2) and a conductive swing plate (5) which are connected in series and contact...  
WO/2008/061702A1
The invention relates to a switching chamber assembly (10), especially for a power switch, comprising a mobile contact bridge (38) that can be associated with stationary contacts, a contact compression spring (40) and a contact bridge gu...  

Matches 201 - 250 out of 15,809