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Matches 51 - 100 out of 4,561

Document Document Title
WO/2014/151124A1
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...  
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...  
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...  
WO/2014/109433A2  
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...  
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...  
WO/2014/056707A3
The invention relates to a differential current monitoring device (2) for monitoring differential currents in power supply systems (4), having a first measuring current transformer (26) and a measuring circuit (28) for determining the di...  
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...  
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...  
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...  
WO/2014/015947A3
The invention relates to a device (1) for safely switching a photovoltaic system (2), having a circuit breaker (10) with input terminals (E1,2) and output terminals (A1,2), the circuit breaker (9) being designed as a switching module tha...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
WO/2013/158193A3
An enclosed metering and protective electrical apparatus (2;2;64) includes an enclosure (4), a meter socket (6;6) within the enclosure structured to input a power circuit (8) and to engage a power meter, and a circuit interrupter (10) wi...  
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...  
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 ...  
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...  
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...  
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...  
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 (...  
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...  
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...  
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...  
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...  
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...  
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,...  
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...  
WO/2013/014251A3
The invention relates to a switching device (1) for bridging a fault current circuit breaker (21), a first input (2) being connected to a first output (4) by means of a first conductor (6) and a first switching-contact pair (7), and a se...  
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...  
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...  
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...  
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...  
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...  
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 ...  
WO/2012/111936A2
The present invention relates to a leaking current shut-off device for preventing malfunction due to a surge, the device being adapted to be able to supply stable power to a load by sensing whether a sensed current is a temporary surge o...  
WO/2012/111936A3
The present invention relates to a leaking current shut-off device for preventing malfunction due to a surge, the device being adapted to be able to supply stable power to a load by sensing whether a sensed current is a temporary surge o...  
WO/2012/110279A1
A relay circuit comprises an electromechanical relay (RLA) having contacts (SW1) in an AC supply to a load (LD). The relay contacts (SW1) automatically close when a current greater than a predetermined closing current is passed through t...  
WO/2012/105913A1
The purpose of the invention is to create an electromagnetic relay (3) of a switch (S) used for interruption of the electric circuit whenever differential current would occur between a phase conductor (P) and a neutral conductor (N) ther...  
WO/2012/100793A1
The invention relates to a switching unit (1) for switching high DC voltages, in particular for a galvanic DC interruption between a DC source (2) and an electrical device (3). The switching unit (1) comprises two connections (11, 12), w...  
WO/2012/086498A1
[Problem] To protect a switch or a device on an electric path to which a switch is connected from overheating by an occurrence of an arc, and prevent burn accidents on the electric path to which the switch is connected. [Solution] A swit...  
WO/2012/080393A1
An electromagnetic actuator has a yoke (9) for guiding a magnetic flux, and a holding plate (6) attached to an actuating member (1), the holding plate (6) and yoke (9) forming a first magnetic circuit. Furthermore a magnetic flux generat...  
WO/2012/074621A1
A circuit breaker is disclosed that has a neutral lock-out mechanism that prevents electrical connection between a power source and a load when a neutral rail is disconnected from the circuit breaker. The circuit breaker has a line conne...  
WO/2012/056287A3
The invention relates to design of protection feature in a self powered protection relay. It specifically provides a relay with sensitive earth fault protection. This protection is being achieved in tandem with optimal power on trip time...  
WO/2012/040750A1
In a residual current operated device (1), the invention proposes, for the purpose of functional checking without interrupting the downstream electrical system and also for the purpose of achieving a compact design, that the residual cur...  
WO/2012/025803A1
An improved electrical operating mechanism for use in moulded case circuit breaker for enhancing the performance of long stroke solenoid by reducing flux leakage to minimum thereby improving the efficiency of the operating mechanism, sai...  
WO/2012/021909A1
In a switching device (1) having at least one first electrical switching device input (2), at least one first electrical switching device output (3) and at least one second electrical switching device output (4), wherein, in a first oper...  

Matches 51 - 100 out of 4,561