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WO/2023/150385A1 |
A circuit interrupting device including a line terminal, a wideband current sensor configured to measure a current flowing through the line terminal, a zero cross detection circuit configured to measure a voltage and frequency of the lin...
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WO/2023/104330A1 |
A switching device (10) comprises a first and a second fixed contact (55, 56), a contact bridge (40), a first and a second movable contact (45, 46) arranged at the contact bridge (40), a contact spring (31), a contact bridge carrier (30)...
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WO/2023/081285A1 |
A power distribution panel includes power protection devices, a controller configured to control the operation of the power protection devices, and an electronic processor. The electronic processor is configured to receive electronic fie...
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WO/2023/057087A1 |
A switching device (10) comprises a first and a second fixed contact (55), a contact bridge (40), a first and a second movable contact (45) arranged at the contact bridge (40), at least one contact spring (31) and a contact bridge carrie...
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WO/2023/020712A1 |
A switch disconnector (10) comprises an electrical contact system (12) for breaking a circuit connectable to the switch disconnector (10) and a ferromagnetic plate (14) being positioned in a predefined distance (16) to the electric conta...
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WO/2022/108816A1 |
A fault detection system that includes a recloser configured to perform a reclosing operation in response to detecting overcurrent. The system also includes a sensor adapted to be mounted to a can of a transformer and extending into the ...
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WO/2022/020526A1 |
Fuse devices and electrical systems using the fuse devices are disclosed, with the fuse devices having internal components to cause a fuse blown event when the pre-determined current level is reached through the contacts. The internal co...
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WO/2021/175534A1 |
An electromechanical switching device (10) for breaking an electric current, the switching device (10) comprising a stationary main contact (12); a movable main contact (14); a stationary arcing contact (16); a movable arcing contact (18...
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WO/2021/045961A1 |
A fault protection system for providing protection from fault current for components and devices on a lateral line proximate to a distribution transformer in a power distribution network. The system includes a single-phase recloser havin...
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WO/2020/240097A1 |
The present invention relates to an electric line protection device (L), the device comprising, in a housing that it comprises, on the one hand, a plurality of coils (1, 2, 3) and a movable actuating element configured to be moved, under...
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WO/2020/112708A1 |
A system includes a first group of cassettes, each cassette including a first stationary bar, a first plurality of fixed contact members, and a first plurality of movable contact members, each of which is electrically coupled and rotatab...
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WO/2019/202152A1 |
A low-voltage circuit breaker, comprising: at least one fixed contact, for each pole, which is electrically connected to a terminal for connection to an electric circuit and a corresponding moving contact which is associable/separable wi...
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WO/2019/120624A1 |
An isolation disconnect assembly for an insulated gate bipolar transistor assembly is provided. The isolation disconnect assembly includes a conductor assembly and a clinch joint magnetic actuator.
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WO/2019/016630A1 |
A debris barrier (50, 250, 350) is for an electrical switching apparatus (2, 202, 302). The electrical switching apparatus includes separable contacts (12, 14) and an arc chute (16). The separable contacts generate debris when tripping o...
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WO/2018/212687A1 |
A miniature circuit breaker having an instantaneous tripping device with L - shaped plunger and stepped trip lever are provided. The configuration enables the efficient transformation of linear force into a rotary force thereby providing...
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WO/2018/087437A1 |
A pressure-actuated tripping device for an electrical line protection apparatus, of the circuit-breaker type, delimited by an enclosure and comprising inside the enclosure: - a gas inlet orifice opening into an upstream chamber; - a down...
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WO/2017/095672A1 |
A slot motor (100,200,300) is for an electrical switching apparatus (2). The slot motor includes a support apparatus including a support element (102) having a first leg (104,204) and a second leg (106,206) located opposite the first leg...
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WO/2016/193042A1 |
The invention specifies a circuit breaker (1) which comprises a housing (2), a switching shaft (7) which is rotatably mounted in the housing (2), and also a contact arm (8) which is rotatably mounted in the switching shaft (7) and has a ...
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WO/2016/193283A1 |
Current interrupter (1) with a current input (19), which conducts an electrical current (I) by way of a wound coil-conductor strip (4) of a first coil (12) to a first fixed contact (2), and with a contact rocker (10), which is movable be...
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WO/2015/181090A1 |
The invention relates to a circuit-breaker (1) which comprises a housing (2), a switching shaft (7) mounted so as to rotate therein, and a contact arm (8) that is rotatably mounted in said switching shaft (7). A bearing device (12, 23) i...
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WO/2015/110156A1 |
An electromagnetic circuit breaker (1) comprising fixed contacts (11), moveable contact bridges (13) arranged to electrically connect the fixed contacts(11), a magnetic core (3), a coil (4) electrically connected to the fixed contacts (1...
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WO/2015/022194A1 |
The invention relates to the modification of a device having a simple structure for transmission of forces on a moving contact connecting bolt (7) of a contact system consisting of a moving contact and a further contact of a switching un...
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WO/2014/147107A1 |
The invention relates to an electric switching device (1 ), such as a relay, comprising a first (2) and second terminal (4), a contact sub-assembly (6) having at least two contact members (8, 10) and configured to be moved from a connect...
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WO/2014/137450A1 |
A two-piece slot motor housing assembly (90) is provided. The slot motor housing assembly (90) includes a first J-shaped body (92) having a lower, first end (100) and a second, J-shaped body (94) having a lower, first end (110). The firs...
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WO/2014/086378A1 |
The invention concerns an interface for cutting off the power supply for any fault current Id ≤ 300 milliamperes such that: Id≥ IPE + k.Ih where IPE represents the current returning to the power source via the protective conductor co...
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WO/2014/044739A1 |
The contact systems of circuit breakers for at least one pole are equipped with a movable contact in the form of a contact arm. The contact arm is biased by a contact force spring in order to generate a contact pressure in the closed pos...
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WO/2014/006125A1 |
The present invention relates to a switching device (1) for opening and closing a load circuit, in particular in an electric vehicle, having at least one switch contact (4a) which can be moved from an open position (A) into a closed posi...
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WO/2013/130035A1 |
A slot motor apparatus for a circuit breaker is disclosed. The slot motor has first and second legs connected by a thin web, and an extending portion extending rearward from the rear faces of the legs. Slot motor - arc plate assemblies h...
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WO/2013/121159A1 |
The invention relates to an electrical line-protecting device of the circuit breaker type, comprising a circuit-breaking part and a triggering part that triggers the breakage of the circuit in the case of an overload or a short-circuit o...
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WO/2013/085578A1 |
An electrical switching apparatus (2;50) includes separable contacts (10), an operating mechanism (16) structured to open and close the separable contacts, and a trip mechanism (14) cooperating with the operating mechanism to trip open t...
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WO/2012/146573A1 |
The invention relates to an overload safety device (1) for protecting electrical and/or electronic components from operating currents (lb) which are above a threshold operating current. In order to ensure that the overload safety device ...
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WO/2012/142564A2 |
A circuit interrupter has a first contact, a second contact, and a trip arm which moves the second contact between a closed position where the second contact is touching the first contact and an open position in which the second contact ...
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WO/2012/142578A2 |
A plumbing assembly is included with an associated hot water source and cold water source. The plumbing assembly includes a housing defining a cylindrical bore, a tub spout assembly mounted in said housing, a dual mode mixing cartridge m...
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WO/2012/094133A1 |
A device for transferring motion from a manual lever to a reset lever of a pressure trip mechanism in a molded case circuit breaker. The pressure trip mechanism is activated when hot gasses are released during an arc event and the result...
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WO/2012/072599A1 |
The invention relates to a contact apparatus of an electrical switching device, in which contact apparatus the electrodynamic effect of flows which flow in parallel is used, in particular, for electrodynamic contact separation. In this c...
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WO/2012/028383A1 |
The invention relates to an electric circuit breaker (1), with connecting elements (3) for the connection to an electrical circuit and at least one contact arrangement (2) for interrupting the electrical circuit, the contact arrangement ...
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WO/2012/025302A1 |
The invention relates inter alia to an electrical switch having at least one switching unit (100) which comprises: a contact lever (20) which is pivotable about a pivot axis having at least one electrical switch contact (30, 31) and two ...
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WO/2011/154380A1 |
The invention relates to a switch (1) suitable for DC applications comprising two fixed conductive contacts (2) with first contact areas (21, 22), a movable conductive bridge (3) with two second contact areas (31, 32) for being connected...
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WO/2011/110296A1 |
An improved rotary switch (e.g. a double pole double break switch) includes first and second poles (2, 4). Each pole including a rotatable bridging member (24) and a pair of fixed busbars (6a, 6b; 8a, 8b). Each busbar has at least one pr...
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WO/2011/097612A1 |
Embodiments provide an electrical contact assembly (100). The electrical contact assembly includes a crossbar (102), a pivot pin (104) mounted in the crossbar, a contact arm (106) pivotally mounted on the pivot pin and rotatable about a ...
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WO/2011/047428A1 |
A remote isolation system (10) for isolating an energy source from selected equipment (20) energisable by the energy source and controlled by a control system, wherein the system (10) includes a remote isolation station (12) for the sele...
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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...
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WO/2010/010061A1 |
A trigger is provided for switch closing of a dynamic switch that opens under current flow, said trigger being based on a measurement of the current flowing through the switch during burning of an arc. The voltage of the arc is measured ...
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WO/2009/035638A1 |
The present invention relates generally to a mechanism of a contact system for circuit breakers. More particularly, the invention encompasses a mechanism for a rotary double-break contact system, which enables a direct transfer of torque...
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WO/2008/107431A2 |
The invention relates to a contact lever-moving device for moving at least one contact lever of a circuit breaker for closing a contact and creating a contact gap when a certain contact-removing force is exceeded. Said contact lever-movi...
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WO/2008/090398A1 |
This invention uses the concept of a double-breaking contact system with a rotating contact arm. A novel arrangement of fixed conductors that cross over the contact arm is presented. A double-breaking contact system for a low voltage cir...
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WO/2008/064494A1 |
Liquid metal current switch (1) for current limiting and/or circuit breaking, comprising a liquid metal (12, 22) and at least one channel (11a, 11b; 21a) for the liquid metal (12, 22), wherein the liquid metal (12, 22) is moveable betwee...
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WO/2007/116311A1 |
A circuit breaker includes fixed and movable contacts, an operating mechanism including a movable arm carrying the movable contact, an arc chute including a plurality of spaced apart first and second arc plates, and a slot motor. A slot ...
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WO/2007/111395A1 |
Provided is a circuit breaker, in which the breaking and resetting operations of a contact point unit can be automatically performed by a detecting/breaking unit and a breaking resetting unit. Therefore, the circuit breaker is easy to us...
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WO/2007/098943A1 |
The invention relates to a switching shaft unit for an electrical contact system for use in at least one single-pole low-voltage breaker with an insulating-material housing, wherein the switching shaft unit comprises a single-interruptin...
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