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WO/2015/076824A1 |
Method and system for implementing multiple user-initiated self-test sequences in a multifunction circuit breaker device uses a single test input to initiate both arc fault and ground fault testing while at the same time allowing the mul...
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WO/2015/059191A1 |
The invention relates to an electrical switch, in particular for an electrical power tool, such as an angle grinder, a drill, a grinder, a saw, a plane, or the like, comprising a contact system (6) switchable between a display and an adj...
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WO/2015/043007A1 |
A portable ground fault circuit breaker comprises a main housing (101), and also comprises an internal housing (102) disposed in the main housing and consisting of a base (21) and a base cover (22). The internal housing is internally pro...
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WO/2015/018180A1 |
A safe and sensitive over-current protector used in the field of circuit safety protection is disclosed. The protector comprises an insulating shell (8), an inductive component and a signal component. The inductive component and the sign...
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WO/2015/007911A1 |
The invention relates to an over-voltage protection device (1) for limited installation space, having an isolating apparatus (AE), having a carrier (T), wherein an over-voltage protection apparatus (ÜSE) having at least two connections ...
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WO/2014/197942A1 |
This disclosure relates to a method for tripping a residual current device comprising a detection of leakage characterised in that the detection of leakage creates a current imbalance between an active conductor and a neutral conductor o...
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WO/2014/187678A1 |
A coil actuator for a low and medium voltage switching apparatus comprising a coil electromagnet (2), a power and control unit (3), which comprises a power circuit (31) operatively connected to said coil electromagnet (2) and a processin...
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WO/2014/187961A1 |
The invention relates to a residual current circuit breaker (1) comprising a summation current transformer (2) that has primary windings (3) as well as a secondary (4) and a tertiary winding (6), said secondary winding (4) forming a circ...
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WO/2014/151124A9 |
A self-testing fault detector having a line side and a load side and a conductive path there between is provided. The self-testing fault detector includes an automonitoring circuit electrically coupled to a fault detection circuit and an...
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WO/2014/168194A1 |
According to the present invention, in a switch inserted into a direct-current electrical path, magnetic variation around the electrical path is detected by a magnetometer. An extraction means extracts the signal of a frequency band in w...
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WO/2014/167606A1 |
This ground-fault circuit interrupter is provided with a testing device (350). A first end section (356) of a switch spring (354), in combination with a first conductive rod (352a) connected to a first end of a connecting wire (359), con...
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WO/2014/166322A1 |
A high-security surge protection device comprises a shell, at least one over voltage protection element disposed inside the shell, a release device used for separating the over voltage protection element from an alternating current or a ...
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WO/2014/155957A1 |
An electrical leakage detector (1) is provided with a zero phase current transformer (11) through which an AC system passes, a calculation unit (12) for calculating a calculated value using the output current from the zero phase current ...
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WO/2014/156000A1 |
This ground-fault-detecting tripping unit (4), which can be externally mounted to a circuit breaker, is provided with the following: a housing (11); a load terminal that is connected to an electrical wire; a connecting terminal (7a) that...
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WO/2014/156945A1 |
An arc generation detector and a switch, the arc generation detector being capable of detecting arc generation at an electrical connection portion such as a terminal belonging to a power supply line and having a relatively simple configu...
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WO/2014/155999A1 |
This ground-fault-detecting tripping unit (4), which can be externally mounted to a circuit breaker, is provided with the following: a load terminal that is connected to an electrical wire; a connecting terminal (7a) that is connected to...
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WO/2014/151130A1 |
Software code for operating a circuit interrupting device having an automonitoring circuit for automatically testing various functions and structures of the device. The auto-monitoring circuit initiates the software code which includes a...
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WO/2014/139384A1 |
An under-voltage tripping device for a circuit breaker is disclosed. The device comprises a failure device and a failure releasing device. The failure device is configured to enable the under-voltage tripping device to enter a failure st...
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WO/2014/125549A1 |
A trip button (22) is provided with: a push-button part (22b) provided on the top part of a button main body (22a); a joining part (22c) that is provided on the lower part of the button main body and can be joined to a trip cross bar (21...
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WO/2014/109433A2 |
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WO/2014/104982A1 |
The subject of the invention is an electronic device for residual current circuit breakers of types A/AC/B/B+/B++, where device enables the implementation of improved methods of protective functions in comparison with the currently known...
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WO/2014/083190A1 |
The invention relates to a switching device (1), particularly a protective switch, comprising a first contact gap (2) and a second contact gap (3) that each have break contacts (4), said switching device (1) comprising a switching mechan...
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WO/2014/056042A1 |
An interface apparatus is disclosed for interfacing a testing device to a plurality of safety switches at a switch location, wherein each safety switch is connected to an electrical load circuit including at least an active line and a ne...
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WO/2014/044309A1 |
The invention relates to a contactor comprising a drive (1), which when supplied with current closes a contact system (2). The invention is characterised in that the contactor has an undervoltage release (4) which provides the holding po...
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WO/2014/029163A1 |
An electromagnetic leakage protection switch; the handle (3) of an electric leakage operating mechanism is connected to one end of a handle linkage (11); the other end of the handle linkage is sleeved in a hollow brass rivet (12) used fo...
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WO/2014/010040A1 |
[Problem] To obtain a circuit breaker equipped with a thermomotive electromagnetic tripping device having a small size and capable of increasing the temperature of a bimetal during a tripping operation by overcurrent. [Solution] The circ...
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WO/2013/187057A1 |
The ability to reduce the size of an electrical leakage detection device that uses a ring-shaped magnetic body is limited, and the size of the ring-shaped magnetic body is increased when electric wires are thick. It is also not easy to a...
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WO/2013/185421A1 |
A dual-mechanism 1P+N earth leakage circuit breaker comprises an L-pole circuit breaker unit (1) and an N-pole earth leakage protection unit (2). The L-pole circuit breaker unit and the N-pole earth leakage protection unit are independen...
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WO/2013/178259A1 |
The invention relates to an overcurrent protection device (1), comprising a conductor (10), an evaluating processor unit (4), a temperature sensor (11), wherein - the conductor (10) is formed in such a manner that a current (I) is guided...
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WO/2013/176629A1 |
The purpose of the invention is to create a switch, which should be suitable for integration into each disposable electric circuit, upon which it should on the one hand enable protection of the circuit against electric overloads, and on ...
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WO/2013/156080A1 |
The invention relates to a device (1) for protecting a user (2), the device (1) having a first current path (100) which comprises a first and a second conduit (101, 102), and a monitoring device for detecting an imminent overload of the ...
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WO/2013/139118A1 |
An integrative device of a leak test and leak reset button for a leak breaker. The part of the test reset button above a case body is divided into two layers. The upper layer is a T layer surface (101) and the lower layer is a R layer su...
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WO/2013/138142A1 |
An electrical switching apparatus, such as a subminiature circuit breaker (2), includes a housing assembly (4), separable contacts (6), an operating mechanism (8) having an actuator device (14) and a latching assembly (40), a first trip ...
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WO/2013/128125A1 |
The invention relates to an electromagnetic trigger, of the differential relay type, comprising: a U-shaped armature (1), the ends of the two legs (4, 5) of which form two coplanar polar surfaces; a pivoting plate (2) that pivots between...
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WO/2013/094785A1 |
The present invention relates to a device for blocking overheating by using a short-circuit sensing line, and more particularly, to a device for blocking overheat by using a short-circuit sensing line that prevents fire from occurring du...
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WO/2013/073103A1 |
This earth-leakage circuit breaker is constructed by installing, inside a case (12), main circuit contacts, a contact opening/closing mechanism, a zero-phase current transformer (19) which is provided on the main circuit in an intervenin...
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WO/2013/067923A1 |
Provided are a tripping mechanism for use in a surge protector and the surge protector comprising the tripping mechanism. The tripping mechanism (100) comprises a frame bracket (110) for use in holding at least one metal oxide rheostat (...
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WO/2013/064363A1 |
The invention relates to a release unit (1) for tripping an electrical switching device (30), having two or more releases (2, 3, 4, 5), at least one interface (2a, 3a, 4a, 5a) for receiving electrical input signals (6) for each of the re...
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WO/2013/057147A1 |
The invention relates to a range of multi-pole circuit breakers of different sizes and different nominal current capacity. In order to reduce the cost in terms of deployable U/A tripping devices, a U/A tripping device (10) of the same ty...
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WO/2013/050214A1 |
A mechanically operated switching device comprising: at least a movable contact and an associated operating mechanism for coupling/separating such movable contact to/from a corresponding fixed contact, wherein the operating mechanism com...
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WO/2013/050213A1 |
A coil actuator for an associated switching device which can be actuated during its operation from an open position to a closed position so as to allow a current flowing therethrough and from the closed position to the open position so a...
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WO/2013/033759A1 |
A control system and method to operate a switching device, particularly to selectively connect a power supply to a load. The control system (1) including a reader (5) to read an identification plate of a load (4) and transmit an identifi...
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WO/2013/020273A1 |
The present invention relates to a leakage protection plug, comprising a plug body. One end of the plug body is connected to a load, and the other end is connected to an external power supply through two insert pieces. A mutual inductor,...
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WO/2013/014251A2 |
The invention relates to a switching device (1) having at least one first input (2) and one second input (3) and having at least one first output (4) and one second output (5), wherein the first input (2) is connected to the first output...
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WO/2012/169975A1 |
The purpose of the invention is to create a relay (3) with improved yoke (31), in particular a relay (31) of a switch (S) for interruption of an electric circuit in the differential current between a phase conductor (P) and a neutral con...
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WO/2012/160647A1 |
Provided is an electronic circuit breaker equipped with a trip device in an electronic circuit and an electromagnetic trip device, such that the electronic circuit breaker can determine that an excess current is flowing in an alternating...
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WO/2012/159714A1 |
The invention relates to a working apparatus, comprising an electrical consumer and a residual-current protective switching device provided therefor. The consumer is fed with energy via a network current for the operation thereof. When p...
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WO/2012/119555A1 |
A circuit breaker for optimizing space allocation comprises: a first overcurrent protection pole (6), having a first incoming line terminal (25) and a first outgoing line terminal (24), a first contact (10) being connected in series to t...
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WO/2012/114185A1 |
A fail-safe ground fault (GF) circuit interrupter (2) includes separable contacts (SCs) (4); operating mechanism (OM) (6); and GF trip circuit (8) including analog GF circuit (10) having power supply input (12), and a number of: (a) GF c...
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WO/2012/109684A1 |
For a residual-current-operated circuit breaker (1) having switching contacts (8) and at least one fault-current detector (2) for ascertaining a fault-current signal, wherein the residual-current-operated circuit breaker (1) is designed ...
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