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WO/2024/060597A1 |
The present application relates to the field of electric power and new energy vehicles. Specifically, provided is an excitation protection apparatus for double-path or multi-path circuit breaking. The apparatus comprises an excitation so...
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WO/2024/049836A2 |
Thermal management structures and techniques are provided for cooling solid-state circuit breakers. For example, a circuit breaker comprises an integrated heat sink which is configured to absorb and dissipate heat from electronic compone...
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WO/2024/007845A1 |
An arc extinguishing mechanism, comprising an arc extinguishing chamber. The arc extinguishing chamber comprises two partition plates and a plurality of arc extinguishing grid sheets provided between the two partition plates; and arc str...
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WO/2023/247255A1 |
The low-voltage circuit breaker device (1) according to the invention has an insulating material housing (2) and a state display apparatus, which has a first actuation element (10) which is arranged on an outside of the insulating materi...
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WO/2023/244674A1 |
The present invention provides a method for installing circuit breakers of different frame sizes into an electrical distribution device at the at the factory or on the jobsite without having to remove the original factory installed line ...
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WO/2023/206807A1 |
Provided in the present disclosure is a breaking device. The breaking device comprises a contact unit and an arc-extinguishing unit. The contact unit comprises a plurality of moving contacts and static contacts, wherein the plurality of ...
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WO/2023/187295A1 |
The invention relates to a two-way, two-pole, double-break contactor configured to be mounted on two parallel busbars, comprising, for each pole, one quenching chamber in which are placed: - a mobile bridge having first and second mobile...
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WO/2023/191274A1 |
Disclosed is an air circuit breaker having an insertion/withdrawal linkage type arc cover, the circuit breaker having an arc cover coming into close contact with an arc chute when a main body is inserted into a cradle, thereby preventing...
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WO/2023/142459A1 |
The present invention provides a double-breakpoint contact rotating apparatus and a circuit breaker. The double-breakpoint contact rotating apparatus comprises a rotating shaft, a contact assembly and a positioning shaft, and further com...
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WO/2023/136528A1 |
The present invention relates to an arc extinguishing unit of a molded case circuit breaker and, more specifically to an arc extinguishing unit of a molded case circuit breaker, having improved arc elongation performance. The arc extingu...
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WO/2023/136529A1 |
The present invention relates to a wiring circuit breaker and, more specifically, to a wiring circuit breaker having an expanded arc gas discharging port formed through a lower part of an enclosure and thus having enhanced exhaust perfor...
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WO/2023/131321A1 |
Disclosed in the present invention is a double arc-extinguishing cover type leakage protector, comprising a protector housing (1). An actuating mechanism (2) and a power-taking mechanism are respectively arranged in the protector housing...
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WO/2023/119895A1 |
An electromagnetic trip device (10) comprises: a fixed piece (11) which includes a bottom portion (12) and side wall portions (13) provided upright on the bottom portion (12), and which forms a channel through which an electric path (20)...
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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/2023/100800A1 |
A bus bar unit according to the present invention comprises a pair of bar holders 31. Inside the bar holders 31, a plurality of horizontal grooves 31 are aligned in the vertical direction at intervals. The grooves 31 have a vertical widt...
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WO/2023/084346A1 |
A surge arrester is described, comprising a first and a second electric terminals (1, 2) for connection to live and guard/neutral conductors of an electric system, between which a protection member (3) is connected, provided with a volta...
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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/2023/051556A1 |
An arc extinguishing apparatus (100) and a circuit breaker (200) comprising the same. The arc extinguishing apparatus (100) comprises: a stationary contact (10), a movable contact (20), an arc chute assembly (30), a first side plate (50)...
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WO/2023/020483A1 |
The present invention relates to the low-voltage electrical field, and in particular, to an operating mechanism of a circuit breaker. A second connecting rod assembly of the operating mechanism comprises a second crank pivoted around a t...
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WO/2023/274174A1 |
Disclosed in the present application are an electrical isolation switch and a switching layer thereof, and a multi-switching-layer assembly and an arc extinguishing method. The electrical isolation switch comprises a housing assembly, an...
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WO/2022/258223A1 |
A switching arrangement (100) comprises a switching device (10) with a contact bridge (16), a magnetic drive (101) coupled to the contact bridge (16) and a control circuit (102). The control circuit (102) comprises a current sensing unit...
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WO/2022/259347A1 |
In this DC circuit breaker, it is effective, when breaking, to quickly commutate an arc generated between contacts to an arc runner in order to shorten breaking time and extend the lifetime of the circuit breaker by reducing the amount o...
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WO/2022/258191A1 |
The present invention discloses a kit used for automated assembling or disassembling of laminated electric circuits (100). Said laminated electric circuit (100) is composed of insulating sheets (100.i), line conductors (80) disposed betw...
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WO/2022/252820A1 |
The present application provides an electric switch having multiple superimposed suction forces, comprising at least an insulating housing, an operating mechanism, a wire inlet end, a wire outlet end, a movable contact, and a chuck. A co...
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WO/2022/238242A1 |
The subject of the present invention relates to a movable contact configured to be integrated into a circuit breaker and bearing against a fixed contact in the vicinity of an arc extinguishing chamber, the movable contact having the form...
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WO/2022/238008A1 |
For a switchgear (1 ), comprising a housing (2) having a gas discharge opening, at least one first contact and at least one second contact to form an electrical conducting path through the switchgear (1 ), an arc extinguishing chamber (3...
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WO/2022/232225A1 |
A circuit breaker design allows for the circuit breaker to have an overall height (i.e., measured vertically along the circuit breaker's exposed outwardly-facing surface in the typical orientation of circuit breaker panels) that is slimm...
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WO/2022/232228A1 |
A circuit interrupter includes a first set of contacts connected in series with a second set of contacts, with both sets of contacts configured to open and close simultaneously. First and second arc extinguishers are associated with the ...
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WO/2022/156816A9 |
The present disclosure provides an air circuit breaker, comprising a contact system, an operating mechanism, a base, and an arc extinguishing chamber assembly which is mounted extending upwards and downwards in the base. The air circuit ...
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WO/2022/158154A1 |
This circuit breaker (10) opens a contact part (11) composed of a fixed contact (48a) and a movable contact when a short-circuit current of a load and a power supply is detected. The circuit breaker (10) comprises: an arc extinguishing g...
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WO/2022/158243A1 |
This circuit breaker has disposed thereinside a temperature sensor unit (200) that measures the temperature of a breaker main contact. The temperature sensor unit (200) includes: a thermistor (221) that measures the temperature of the br...
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WO/2022/158155A1 |
A circuit breaker (10) switches on and off an electrical connection between a load and a power source. The circuit breaker (10) comprises an arc-extinguishing grid (82) that splits an arc generated during the contact parting of contacts ...
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WO/2022/135038A1 |
The present invention relates to a circuit breaker, and in particular to a moving contact mechanism inside a circuit breaker. The present invention adopts the following technical solution: a moving contact mechanism of a circuit breaker,...
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WO/2022/135039A1 |
A circuit breaker, and in particular a connection manner of an N-pole wire inside the circuit breaker. The following technical solution is used: an N-pole wiring structure for a circuit breaker, wherein a wiring portion (11) of an N-pole...
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WO/2022/135047A1 |
A linkage device for a lock catch (1) and a moving contact (3) of a circuit breaker. A sliding groove (211) allowing for sliding of an end portion of a circuit breaker connecting rod (4) is arranged at the upper end of a moving contact s...
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WO/2022/135040A1 |
The present invention relates to a circuit breaker, and in particular to an N-pole arc extinguishing device inside of a circuit breaker. The present invention employs the following technical solutions: an N-pole arc extinguishing device ...
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WO/2022/130552A1 |
The present invention obtains: an overcurrent trip device capable of achieving miniaturization of the device; and a circuit breaker using the same. An overcurrent trip device (100) comprises: a conductor (3) connected to the main circuit...
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WO/2022/126821A1 |
A circuit breaker (10). The circuit breaker (10) comprises a housing (100) and a first wiring terminal (200), a second wiring terminal (300), a switch assembly (400), and a delay tripping mechanism (500) which are provided in the housing...
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WO/2022/124360A1 |
This arc-extinguishing device (100) eliminates an arc generated when a circuit breaker blocks an electric current. The arc-extinguishing device (100) comprises: a lower lid (1) that has a first sidewall and a second sidewall that face ea...
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WO/2022/094235A1 |
A visual trip indicator for a circuit breaker is disclosed. The electronic components of a visual trip indicator are enclosed in a module that attaches to the circuit breaker handle or within pocket defined in the circuit breaker housing...
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WO/2022/093163A1 |
A circuit breaker (100) includes a housing (102), a first trip mechanism (120), and a second trip mechanism. The first trip mechanism (120) includes a first plunger (134) selectively spring biased to a first plunger extended position fro...
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WO/2022/028222A1 |
A circuit breaker, belonging to the technical field of low-voltage electrical appliances. The circuit breaker comprises an insulating housing (100), and an operating mechanism (200), a contact system (300), an arc extinguishing system (4...
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WO/2022/028139A1 |
A mechanism assembly of a pluggable circuit breaker, which is characterized in that the mechanism assembly (3) comprises an operating member (3a), wherein the operating member (3a) is connected to a contact supporting member (3c) by mean...
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WO/2022/018053A1 |
Electric arc extinction chamber for an electrical protection device and an electrical protection device comprising at least one such extinction chamber. The present invention relates to an electric arc extinction chamber comprising juxta...
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WO/2022/015379A1 |
A circuit breaker racking system includes an electrical drive operatively connected to a mechanical racking mechanism that carries the circuit breaker and moves the circuit breaker between a connect position and a disconnect position wit...
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WO/2022/012517A1 |
A circuit breaker of a multi-breakpoint contact system, the circuit breaker comprising at least one insulating housing, an operating mechanism and an overcurrent release. A first static contact, a first contact set, a second contact set ...
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WO/2022/000272A1 |
The present invention provides a circuit breaker, comprising a housing, a contact support member, a counterforce elastic member, a movable contact, a static contact, a lock fastener, a handle, a connecting rod, and a tripper. The contact...
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WO/2022/003769A1 |
The purpose of the present invention is to achieve an insulating material molded body (10) for arc suppression, said insulating material molded body being capable of suppressing decrease in the surface insulation performance when exposed...
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WO/2021/254298A1 |
The present invention relates to the field of low voltage electrical devices, and specifically involves a plastic case circuit breaker, which comprises a circuit breaker body and an electric operating apparatus, the circuit breaker body ...
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WO/2021/237980A1 |
A magnetic blow-out mechanism of a circuit breaker, comprising a housing (3). A handle (1) is mounted at the upper end of the housing (3); a connection rod (2) is mounted on one side of the handle (1); one side of the connection rod (2) ...
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