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WO/2009/007542A2 |
The invention relates to an electrical cut-off device intended to be secured on a mounting base and including at least one electrical cut-off module (2, 3) and at least one module (1) housing a complementary electrical function, at least...
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WO/2008/156448A1 |
The present invention comprises a micro-electromechanical system (MEMS) micro- switch array based current limiting enabled circuit interrupting apparatus. The apparatus comprising an over-current protective component, wherein the over-cu...
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WO/2008/153578A1 |
The present invention comprises MEMS enabled apparatus for the detection of arc- faults and the elimination of arc-flash conditions. The apparatus comprises an arc- flash detection component and a current limiting component. The current ...
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WO/2008/146135A1 |
The apparatus allows measuring the presence of damages to the induced circuit (15) of a residual current circuit breaker (200), or of a blocked electromechanical releasing device (11) of residual current circuit breaker (200), and to ope...
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WO/2008/145511A1 |
The present invention relates to an electric motor (1) that operates a household appliance such as a washer/dryer and comprises a stator, a rotor, a thermal protector (3) situated adjacent to the winding (2) or in the vicinity of the win...
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WO/2008/145207A1 |
A residual current device for an AC electricity supply comprises a housing (10) and a first load conductor (L) inside the housing connected in series between the supply and a load and including a set of contacts (18) by which an electric...
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WO/2008/139176A1 |
This invention relates to a method and apparatus for executing secondary functions on an electrical switchgear device. In particular, the present invention relates to a method and apparatus which is implemented in the processing electron...
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WO/2008/131881A2 |
The invention relates to a transmission shaft for an installation switchgear comprising at least one contact point, a hammer armature system for opening the contact point in the event of a short-circuit and a switching lock with a releas...
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WO/2008/124962A1 |
A trip for normal-open type ground fault circuit interrupter comprises a frame (5), a static contact (6), a moving contact (5) connected with the frame (3), a locking mechanism (4), a reset button (8) and a test button (9) mounted on the...
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WO/2008/124961A1 |
A ground fault circuit interrupter with a life checking and indicating circuit comprises a programmed IC module and a tripping mechanism supplied by power module, a sensor and a signal regulating circuit connected to the programmed IC mo...
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WO/2008/112901A2 |
A circuit breaker apparatus may be used to interrupt overcurrent and ground fault in a circuit. The circuit breaker apparatus may include an overcurrent coil (18) for tripping the circuit breaker apparatus, a voltage coil (30) also for t...
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WO/2008/104850A2 |
An arc fault and/or ground fault circuit interrupter (100) includes an operating mechanism (115) structured to open and close separable contacts (110), a trip mechanism (150) cooperating with the operating mechanism (115) to trip open th...
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WO/2008/068115A1 |
The invention relates to a pluggable surge arrester with a housing for accommodating the arrester element, which is connected to plug-type contacts, which pass through the housing base, via conductive connectors, wherein a thermal solder...
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WO/2008/065026A1 |
In a fault-current circuit breaker or residual-current circuit breaker a test button (16, 16') is arranged in the pivoting region of the handle (14), which can be used to switch the circuit breaker on and off. Said test button is in part...
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WO/2008/064476A1 |
A resistive fault condition detector for conducting one or more tests of a circuit to detect a resistive fault condition. The detector includes means for determining changes in current through a load during the test, and means for measur...
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WO/2008/061357A1 |
A ground fault detector interrupter (GFDI) is described. The GFDI configured for use with a DC power supply and comprises the following elements. A ground current path is provided for coupling a ground terminal of the DC power supply and...
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WO/2008/061441A1 |
A magnetic latching relay with an over-current protection comprises a base and an electromagnetic winding set on the base. Yokes are provided on the two ends of the base. A driving arm assembly is set between the yokes. A contact sheet w...
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WO/2008/034398A1 |
The invention relates to an auxiliary release for a circuit breaker (70), wherein the auxiliary release comprises an undervoltage release (10) for mechanically actuating an actuating element (60), and a connection point (20) for connecti...
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WO/2008/034972A2 |
Protection unit comprising a differential stage (1) provided with a relay trip (3) and at least two independent circuit breakers (2) protecting separate circuits, each circuit breaker (2) having its own magnetothermal tripping elements a...
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WO/2008/035322A1 |
A power distribution device (100) is provided which is adapted for use at ajunction point (103) between an electrical panel (121) and an electric outlet and/or switch (101) of a home. The device may include a switching circuit (104) adap...
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WO/2007/143891A1 |
A circuit interrupter comprises a pair of fixed contact strips, a pair of load contact strips, a pair of movable contact strips, a reset component, a movable component, and a trip component that contains a reset contact. Each of the fixe...
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WO/2007/129213A1 |
A circuit breaker includes a first lug and second and third acoustic lugs electrically connected to a power circuit. Separable contacts are electrically connected in series between the first lug and the second acoustic lug. An operating ...
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WO/2007/121492A1 |
In a switching device, such as a residual current circuit breaker or a combination switch, for example, for interrupting and switching at least one line (L1, L2, L3, N), having a tripping device (2) which is independent of the system vol...
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WO2006075232A9 |
A moving contact assembly for 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 carrier by a spring biased cam follower pin ...
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WO/2007/065997A1 |
The invention relates to a device (1) for protecting an electrical installation against overvoltages, in particular transient overvoltages, comprising on the one hand a housing (2) within which is placed a component for protection agains...
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WO/2007/063394A2 |
A circuit breaker includes line and load terminals, separable contacts electrically connected between the line and load terminals, and a line neutral pigtail. An operating mechanism including an operating handle is adapted to open and cl...
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WO/2007/031468A1 |
In a method for operation of an electrical switching device and in an electrical switching device which is operated using this method, in which a bimetallic conductor (2) is used as a thermal release for protection of an electrical insta...
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WO2006008273A9 |
The aim of the invention is to provide circuit breakers with an improved functionality and a more compact structure. One such circuit breaker comprises a housing (1) containing a switching device (2), a short-circuit triggering device (3...
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WO/2006/137687A1 |
An electronic switching device for preventing operational errors caused by a high frequency, and an earth leakage breaker and method using the same can prevent the power supply from being cut off due to the high frequency by connecting p...
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WO/2006/129935A1 |
The present invention relates to an Earth Leakage Circuit Breaker (ELCB) used as an electric switch for an electrical circuit which employs a double breakage method of determining whether leakage occurs based on total leakage voltage of ...
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WO/2006/128265A1 |
Electronic Gas Relay for electrical power transformer immersed in insulating oil is a device for capture and retention of gasses released from insulating oil liquid medium, for operating an electronic circuit module and an electric signa...
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WO/2006/120147A1 |
The present invention relates to a device for housing and connection of accessories, particularly for low-voltage automatic switches, comprising an integrated wiring support. In particular, the housing and connection device (1) has a sha...
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WO/2006/117550A1 |
Residual current device which includes a test facility to simulate a fault condition to ensure reliable operation of the device. A test signal generating means, which is connectable to the input of a sense coil wound on a current transfo...
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WO/2006/099909A1 |
A residual current device comprises a ferromagnetic yoke or frame 10 having a plurality of windings Wl, W2 connected in series with respective supply conductors and a ferromagnetic armature 12 which together with the frame 10 constitutes...
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WO/2006/080901A1 |
A powered patio pole umbrella (100) is provided. The powered patio pole umbrella (100) receives power from an external outlet (106) and provides power to a plurality of power hubs (210, 310) including electrical outlets (230, 330) positi...
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WO/2006/059011A1 |
The invention concerns a device for protecting an electrical installation designed to be mounted as a by-pass with respect to the electrical installation and comprising at least two electrically conductive contact members (3, 4) capable ...
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WO/2006/049372A1 |
The present invention relates to a control knob return device for a circuit breaker. The control knob return device comprises a control knob that is pivotable on a fixed axis and has an upper end protruding above a top surface of a housi...
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WO/2006/046870A1 |
Printed circuit board (26) for use in a safety switch (50) where the printed circuit board (26) is provided with electronic components which make up a circuit for enabling a predetermined function of the safety switch (50). The safety sw...
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WO/2006/040418A1 |
The invention relates to a device (1) for protecting an electric installation against overvoltage comprising at least one protection component (10) provided with means for connecting to said electric installation, means for disconnecting...
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WO/2006/031208A1 |
Systems and methods are disclosed for an umbrella undercanopy fastening system (30) including a plurality of reclosable fasteners (34). One embodiment of the present invention relates to a fastening system (30) comprising a first (50) an...
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WO/2006/007608A2 |
The invention relates to a circuit breaker (1), in particular, a residual current circuit breaker, comprising functional groups arranged in a housing (3), such as a detection unit, trip relay, breaker mechanism (45), breaker contacts (43...
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WO/2006/000661A1 |
The invention concerns a control device for an electrical apparatus enclosed in an insulating housing containing a pair of stationary and mobile contacts, said mobile contact (2) capable of being actuated either manually with a hand leve...
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WO/2005/111637A1 |
A leakage detector comprises a printed board on which a leakage detection control circuit is mounted, a switch with a reset function mounted on one side of the printed board, a leakage detection current transformer mounted on the opposit...
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WO/2005/109462A2 |
A level-shifting apparatus 80 includes an input section 82, level shift sections 84 and output sections 86. Differential signaling input signals received from an upstream data source at input terminals 100, 102 of input section 82 are co...
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WO/2005/104160A1 |
The invention relates to an overload release and a method for adjusting the same. The invention especially relates to an overload release in thermal protective appliances comprising an adjustable tripping current (I). Said overload relea...
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WO/2005/099393A2 |
A ground fault circuit interrupting device (10) having a single actuator (20) for sequentially activating a circuit interrupting portion (82, 80, 84, 78, 90, 92, 98) when the device is in a reset condition and a rest portion (20,76,78,84...
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WO/2005/101444A1 |
The invention relates to a leading auxiliary switch (1) for a circuit breaker (3). An operating slide (10) and a contact support (20) are slidably mounted in parallel to a first direction of slide (Y1) in an auxiliary switch housing (2)....
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WO/2005/091459A1 |
The invention relates to an overload release for interrupting a load current circuit (L1, L2, L3), comprising an electronic processing unit (5) that generates a current signal (6) according to the current in the load circuit (L1, L2, L3)...
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WO/2005/081377A1 |
An electric-leakage tripping apparatus for grounding fault is composed of a major-switch, a load-switch, a zero-sequence current transformer, and a control circuit in which a leakage-signal amplifier is contained. The operating mechanism...
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WO/2005/073997A1 |
The aim of the invention is to integrate a differential current triggering device (8) into a line protection switch (11) while maintaining the line protection switch components (1 - 6). As a result, the differential current triggering de...
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