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WO/2013/100504A1 |
A molded case circuit breaker of the disclosed technology is connected to a main circuit to allow current to flow through the circuit breaker. The molded case circuit breaker comprises a fixed contact, a movable contact, a switching devi...
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WO/2013/097696A1 |
Disclosed is a control and protection device for a low-voltage electrical appliance, comprising a base and a control and protection module. The control and protection module can be plugged at the base and is replaceable. The base compris...
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WO/2013/092348A1 |
The invention relates to a switching device (1) which is suitable for DC operation, comprising at least a pair (7, 8) of contacts having a first contact (9) and a second contact (11), wherein at least one of the two contacts (11) is mobi...
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WO/2013/089475A1 |
According to the present invention, a trip device and a circuit breaker for electric wiring having the same includes: a manipulation lever which rotates between ON/OFF or trip positions; a switching device which has a first elastic membe...
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WO/2013/089862A1 |
An improved shield apparatus (4) is structured to resist contamination due to an electrical arc event of an open region (84) that is formed within an interior of a circuit interrupter (10). The open region is one within which a coil spri...
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WO/2013/089966A1 |
A circuit breaker terminal lug cover (1) is structured to mechanically secure to a circuit breaker terminal lug (2) and protect the terminal lug from degradation or corrosion. The terminal lug includes a number of terminal lug screws (5)...
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WO/2013/076377A1 |
Residual current device, which functions on a magnetic tripping principle based on electronic measuring, and which comprises a measuring winding, measuring electronics, a main switch with knob part, a trip coil, a permanent magnet, and a...
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WO/2013/076375A1 |
Duplex socket with a socket-based residual current device, comprising connection parts for the electrical plugs of two electrical devices, which socket is provided with an inbuilt residual current device (1) based on magnetic tripping an...
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WO/2013/070047A1 |
A molded-case circuit breaker according to the present invention comprises: a front compartment; a rear compartment separated from the front compartment; a fixed contact part, which is disposed on one side of the front compartment, and w...
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WO/2013/070046A1 |
A molded-case circuit breaker according to the present invention comprises: an upper outer case defining a rear compartment; a lower outer case, which is coupled to the upper outer case, defining a front compartment, which is separated f...
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WO/2013/064635A1 |
An electromagnetic circuit breaker comprising a main case (4), a pair of contacts (2, 3) enclosed by said main case (4), a circuit breaker assembly (9) to move one of the contacts (2, 3) between a closed position and an open position an ...
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WO/2013/064631A1 |
The invention relates to a circuit breaker comprising a switch housing (3) and at least one contact for tapping a voltage on a primary conductor (3).
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WO/2013/053283A1 |
A rotation double-breakpoint movable contact module comprises a rod-shaped block rotor（101）、a first connection rod(102)、a second connection rod(103)and a contact bridge(104). The rod-shaped block rotor（101）is single-phase ind...
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WO/2013/045856A1 |
Electrical cutoff apparatus (1), of modular type, each module (2a, 2b, 2c, 2d) of which comprises a control lever (4) cooperating with a moveable contact holder (5) driven by a mechanical lock 5 and by means (9) for restoring the contact...
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WO/2013/043535A1 |
An interrupter module for a molded case circuit breaker has a floating antifriction disc (23) between the module casings (12) and the blade carrier (15) which overlays the blade carrier with rim walls of the disc. The rim walls are locat...
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WO/2013/023455A1 |
A connection structure between a device, such as a current divider, a mutual inductor, and a relay, and a wire connecting terminal mainly comprises wire connecting terminals (1) and a device (2). Each of the two terminals (1) is provided...
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WO/2013/003135A1 |
An arc runner configured to provide a substantially constant separation between a side surface of a conductive contact carrier and an arc discharge surface of the arc runner during an initial portion of a separation of two contacts. The ...
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WO/2012/167330A1 |
A saturated core fault current limiter including: at least one AC coil wrapped around a high magnetic permeability core; an high magnetic permeability core having an elongated form; a series of permanent magnets adjacent the high magneti...
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WO/2012/167329A1 |
A fault current limiter disposed within an external casing, and of the type having a core biased magnetically towards saturation during normal operation and an AC current carrying coil around the core, wherein the core is electrically is...
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WO/2012/167331A1 |
A fault current limiter of the type having at least one elongated core biased magnetically towards saturation by means of a surrounding magnetic field, and an AC coil surrounding the core, the fault current limiter including: an elongate...
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WO/2012/160732A1 |
Arranged between a pair of leg sections (13b, 13b) of a plurality of magnetic grids (13) constituting an arc extinguishing device (11) are: permanent magnets (14a, 14b) for causing an electromagnetic force (18) to act so that a magnetic ...
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WO/2012/142739A1 |
A contact arm for switch device is provided. The contact arm comprises a main conductor (20) which is solid and is made of aluminum or aluminum alloy. The main conductor (20) is connected with a tulip contact (22) by an anterior connect ...
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WO/2012/086454A1 |
Provided is a circuit breaker that can form a trip display with a simple structure and prevent erroneous display. This circuit breaker is provided with: a device body (10) in which a window hole (11o) is formed; a contact point mechanism...
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WO/2012/083829A1 |
A contact system for a circuit breaker, wherein: moveable shafts (b1, b2) which are formed with hollow pipes; rotating bearing shafts (c5) are formed at each the connection ends of each spring (c1, c2, c3, c4) matched with the moveable s...
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WO/2012/045209A1 |
A miniature breaker comprises a lock catch (8) and a jump clasp (9), and a lever (14) is arranged between the lock catch (8) and the jump clasp (9). A long arm end of the lever (14) is clamped with the lock catch (8) while a short arm en...
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WO/2012/039031A1 |
A compound opening and closing device includes a plurality of opening and closing device modules and connection parts. Each of the opening and closing device modules includes a housing, a contact mechanism, a terminal block, and link mec...
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WO/2012/039030A1 |
A switchgear is provided with a body, a terminal block, a contact mechanism provided with a stationary contact and a movable contact, and a link mechanism for turning on and off the electric connection between the stationary contact and ...
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WO/2012/039263A1 |
Provided is a circuit breaker which restricts excessive rotation by the other end of a thrust bar and is capable of alleviating faults with circuit breakers. The circuit breaker comprises: a contact point part (13); a handle (140) which ...
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WO/2012/035741A1 |
A molded case accommodating various components comprises a case main body (54) and a cover (55) attached to the top of the case main body, and the case main body (54) comprises a bottom case (56) that forms the bottom of a circuit breake...
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WO/2012/020526A1 |
A circuit breaker is provided that is capable of suitably shifting an arc that is between contacts towards an arc extinction device, even in a comparatively small current region and without resulting in an increase in the size of equipme...
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WO/2011/146600A1 |
Methods, systems, apparatus and devices for an arc resistant electrical enclosure that includes a duct system of adjacent pressure relief chambers separated by flame arresting ventilation partitions to provide a torturous mechanical maze...
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WO/2011/127654A1 |
A residual current protection device comprises an arc guiding plate which is configured to guide arc generated during contacts broken to an arc extinguishing unit. The arc extinguishing unit includes: an arc extinguishing channel configu...
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WO/2011/112159A1 |
The purpose of the invention is to create such protective electric switch, which should upon integration thereof into each desired electric circuit interrupt such circuit either in the case of thermal overloading or also in the case, whe...
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WO/2011/109497A1 |
A support for anchoring a trip unit of a circuit breaker to a base thereof to prevent separation of the trip unit from the base during a short circuit fault. The support has top-facing two locking tabs that snap into place behind a wall ...
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WO/2011/089511A1 |
An electrical switching apparatus includes separable contacts, an operating mechanism structured to open and close the separable contacts, and an arc chamber. The arc chamber includes a slot motor having a core and a housing with an open...
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WO/2011/077054A1 |
The invention relates to a lock mechanism for an electrical line protection device with differential function associated with circuit breakers and comprising an electromagnet having adjustable core (22) and a winding (21), a linking shaf...
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WO/2011/075939A1 |
A circuit breaker setting a rating automatically by tracking load changes, which belongs to the technical field of high and low voltage electric appliance, comprises a movable and fixed contact unit (1), an electrical tripping mechanical...
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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 ...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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