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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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WO/2021/201445A1 |
The present invention comprises side surface members spaced apart by a certain distance and facing each other; an exhaust portion installed on the upper portions of the side surface members; a plurality of grids which are installed betwe...
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WO/2021/189732A1 |
The invention relates to an arc-extinguishing device, and more particularly, relates to an arc-extinguishing device applicable to extinguishing multiple electrical contact arcs. The arc-extinguishing device comprises first switches (S1)....
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WO/2021/188937A1 |
Embodiments provide an Energy Reduction Maintenance Setting (ERMS) key that includes a data connector configured to communicatively couple to a data port of a target device. The ERMS key further includes an illumination device and an act...
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WO/2021/187774A1 |
The present invention relates to an arc extinguishing assembly and a circuit breaker comprising same, the arc extinguishing assembly comprising: side surface members which are spaced apart from each other by a predetermined distance and ...
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WO/2021/177675A1 |
The present invention relates to an arc extinguishing assembly which, when an arc is generated, has a structure that can push the generated arc in a direction farther away from a stationary contact point by forming a transient pressure d...
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WO/2021/177676A2 |
The present invention relates to: an arc extinguishing assembly including a sealing member; and a circuit breaker including same. The sealing member is pressed and elastically deformed between coupling surfaces of the arc extinguishing a...
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WO/2021/163795A1 |
A direct current circuit breaker comprises a mechanical relay in a first supply line configured to conduct electrical current during steady-state operation and an auxiliary relay assembly in parallel with the mechanical relay to define a...
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WO/2021/163525A1 |
A surge arrester device comprising a first housing portion including a first end and a second end, the first end including a first opening and the second end including a second opening. The device includes a first axis parallel to the fi...
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WO/2021/129950A1 |
A safety apparatus is a terminal shield having an indication circuit incorporated therein. The safety apparatus is usable with a circuit interrupter to overlie one or more terminals of the circuit interrupter that are connected with line...
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WO/2021/104065A1 |
A circuit breaker, comprising a housing assembly, and a contact system, an electric leakage protection mechanism and an electric leakage test mechanism arranged inside the housing assembly. The contact system comprises a handle (21), a c...
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WO/2021/101800A1 |
A circuit protection device including a positive temperature coefficient (PTC) device and a backup fuse electrically connected in series with one another, the backup fuse comprising a quantity of solder disposed on a dielectric chip and ...
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WO/2021/096002A1 |
The present invention relates to a circuit breaker, and to a circuit breaker in which a primary manual energy accumulation bevel gear engages with a secondary manual energy accumulation bevel gear only when a manual energy accumulation h...
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WO/2021/096004A1 |
A trip device is disclosed. The trip device according to an embodiment of the present invention comprises an adjustment crossbar. The adjustment crossbar is in contact with or is spaced apart from a shooter and can open or close a breake...
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WO/2021/075945A1 |
An electromagnetic contactor is disclosed. An electromagnetic contactor according to an embodiment of the present invention includes an arc extinguishing unit. The air extinguishing unit is configured to surround a position where a fixed...
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WO/2021/072524A1 |
The present utility model patent application relates to a novel mechanism for locking a disconnected circuit breaker, which pertains to the field of electrical engineering and is designed for use in residential, commercial or industrial ...
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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/2021/005889A1 |
The present invention is provided with: a stator (2) having a stationary contact (1); a mover (4) having a movable contact (3) contactable with and separable from the stationary contact (1); an arc extinguishing chamber (14) for extingui...
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WO/2021/001075A1 |
The invention relates to a circuit breaker (12), in particular of a power breaker (10), comprising a busbar (32) which is mounted so as to be movable between a closed position (84) and an open position (80); a trip device (16); a hand le...
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WO/2020/263291A1 |
A circuit breaker apparatus (200) has a housing (202), electrical power inlet (214), electrical power outlet, a main circuit breaker (210), a grounding switch (212), and a mechanical linkage (230). The main circuit breaker and the ground...
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WO/2020/248556A1 |
A novel double-contact point plastic case circuit breaker, relating to the field of circuit breakers and comprising: a movable contact (1) and stationary contacts (2) provided in a housing. The intermediate of the movable contact (1) is ...
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WO/2020/240754A1 |
A breaker (1) comprises an open/close mechanism part (10), a tripping device (20), a detection part (30), a driving part (40), a body case (70), a light emitting diode (50), and a flashing control part (60). The open/close mechanism part...
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WO/2020/241397A1 |
Provided is a direct-current circuit breaker equipped with an interruption mechanism unit (16) for interrupting a direct current by separating a fixed contact (1) and a movable contact (3) from each other, and an arc-extinguishing chambe...
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WO/2020/243259A1 |
An indicator tab comprising a thermochromic material is mounted in thermal contact with an electrical component in an enclosure. An observation port in a cover of the enclosure is juxtaposed with the indicator tab enabling visual observa...
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WO/2020/234972A1 |
This release-type electromagnetic tripping device (1) is provided with a frame (10), a lever (20), a first latch (30), a reset button unit (40), a second latch (50), and an electromagnetic solenoid (60). The lever (20) is biased in the d...
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WO/2020/202569A1 |
This air circuit breaker cover comprises a cover body (20) and two or more engagement pieces (3) that are supported by the cover body (20) in a cantilever manner and engage with an object to be engaged with of an air circuit breaker. Eac...
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WO/2020/202558A1 |
The present invention provides a circuit breaker comprising an electroconductive member (70), a movable contact (21), a grid part (31), a core (40), an arc runner (80), and a permanent magnet (81). A fixed contact point (71) is provided ...
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WO/2020/204388A1 |
An arc-extinguishing unit structure for a direct current air circuit breaker according to one embodiment of the present invention comprises: a plurality of grids; side plates coupled to both sides of the plurality of grids so that the pl...
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WO/2020/202794A1 |
The purpose of the present disclosure is to downsize a circuit breaker while providing a circuit board. A circuit breaker (1) is provided with a circuit board (6) and a body (5). The body (5) houses therein at least the circuit board (6)...
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WO/2020/202795A1 |
The purpose of the present invention is to improve reliability with respect to a contact part in a power supply circuit for a sensor. This circuit breaker (1) comprises a first contact part (11), a second contact part (12) and a sensor (...
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WO/2020/204387A1 |
An arc extinction apparatus according to an embodiment of the present invention comprises a chamber unit, a division unit, a filter unit, and a cover unit. A discharge port is formed in the chamber unit such that a fluid in the chamber u...
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WO/2020/194704A1 |
This connection conversion adapter (1) is provided with an adapter main body (2) and a plate-form terminal cover (3). The adapter main body (2) has a device connection unit which is connected to a screw terminal (101) of an electric devi...
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WO/2020/188796A1 |
A quick-connection terminal unit includes: a terminal part (30); an insulating case part (40); and an insulating cover part (50). The distal end of the terminal part (30) is connected to the screw terminal part of the source side or the ...
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WO/2020/146996A1 |
Disclosed is a moving contact mechanism of a double-breakpoint circuit breaker, the mechanism comprising a front fixed contact (10) horizontally arranged in a front-back direction, a rear contact assembly, and a moving contact (20). A re...
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WO/2020/127401A1 |
An electrical switching device (1-1) comprising: a main contact arrangement (3) comprising a fixed contact (3b) and a movable contact (3a), a plurality of splitter plates (5, 5b, 5c), each having a loop structure(5a), the splitter plates...
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WO/2020/124175A1 |
The present invention discloses a single-pole switch module (4, 9, 10, 11) made of insulating material in which said switch module (4, 9) includes a built-in thermomagnetic trip unit (4r, 9r) or said module (10, 11) includes a current-me...
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WO/2020/121442A1 |
This diagnostic device (100) diagnoses abnormal symptoms in an apparatus that performs an operation for opening and closing a circuit. The diagnostic device (100) is provided with a factor probability calculating unit (15) that calculate...
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WO/2020/108624A1 |
A circuit breaker, comprising a housing and a circuit breaker phase pole and a leakage protection pole provided on the two sides of the housing side by side. The leakage protection pole comprises a zero-sequence current transformer, a le...
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WO/2020/098191A1 |
Disclosed in the present invention is an arc extinguishing device. An arc extinguishing chamber of the arc extinguishing device comprises a support, several arc extinguishing grid sheets, a first gas generation cover, and a second gas ge...
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WO/2020/087797A1 |
The present invention relates to the technical field of electrical switches, and disclosed is a non-polarized low-voltage circuit breaker, comprising an operation mechanism, two static contact assemblies, a bridge type moving contact ass...
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WO/2020/031264A1 |
A circuit breaker 100 is provided with: a power supply-side terminal 24 which is provided on a base 11; a fixed contact 27 which has a downward current path 27a that runs down from the power supply-side terminal 24 toward the direction o...
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WO/2020/027703A1 |
The invention is used for protecting a transformer against short-circuiting and overloads. It simplifies an apparatus and operation, increases the information content of a display and reduces the overall dimensions. It comprises a housin...
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WO/2019/245111A1 |
The present invention relates to a modularized auxiliary contact and a breaker including same. A breaker according to an embodiment of the present invention comprises: a fixed contactor and a movable contactor brought into contact with e...
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WO/2019/220538A1 |
The present invention comprises: an abnormality detection unit that includes a sensor which is embedded between an opening/closing mechanism section of a base section (21) and a load terminal (82) and which measures a current flowing to ...
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WO/2019/201446A1 |
An arc chamber 10, 20, 30, 40, 50 for a low voltage switching device comprising an insulating casing 1, having a first and a second lateral walls 2,3, a rear and a front wall 4,5, that defines an internal space housing a number of arc-br...
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WO/2019/192400A1 |
The present invention relates to the field of low voltage apparatuses, and in particular to an arc-striking and arc-running structure. The arc-striking and arc-running structure comprises a stationary arc-running channel connected to a s...
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WO/2019/181532A1 |
The present invention provides a circuit breaker tripping device capable of easily setting the operation time of a circuit breaker. A tripping device of the present invention is provided with a magnetic circuit mechanism unit configured ...
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WO/2019/156328A1 |
The present invention relates to a trip device for a molded case circuit breaker and, more specifically, to an electronic trip device for a molded case circuit breaker. The electronic trip device for a molded case circuit breaker, accord...
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WO/2019/150613A1 |
Provided is a circuit breaker that can improve breaking performance by suppressing arc return and maintaining a high arc voltage. The circuit breaker has a fixed member having a fixed contact point and a movable member having a movable c...
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WO/2019/149038A1 |
Disclosed is a contact operating mechanism of a circuit breaker, wherein a mounting groove (11) is provided on a base (1) and beneath a handle (2), a pressing spring (111) and a sliding block (112) are provided inside the mounting groove...
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