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Patent Searching and Data


Matches 1 - 50 out of 15,985

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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)...  
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 (...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2019/121986A1
The present disclosure discloses an electrical contactor system, including: a stationary contactor (310; 320) having a stationary contact (311; 321); a moving contactor (400) having a moving contact (411; 421); and a rotating member (100...  
WO/2019/116945A1
Provided is an arc-extinguishing insulation material molding which comprises a thermosetting resin cured body in which the contained amount of oxygen atoms per unit volume is at least 1.75×10-2 [mol/cm3]. The thermosetting resin cured b...  
WO/2019/097973A1
This circuit breaker lockout key attachment tool (1) is provided with: a fixed member (20) which is immovably fixed to a circuit breaker; and a movable member (10) which is attached to the fixed member (20). The movable member (10) is mo...  
WO/2019/081083A1
The present invention relates to an electrical switching apparatus having at least one contact point, an arc-quenching device associated with the contact point, and an arc-blowing device to generate a magnetic blowout field. The arc-quen...  
WO/2019/079582A1
An automatic transfer switch includes a first phase switch component having a first plurality of cassettes, and at least one outer bus component disposed at an outer side of the first phase switch component. The automatic transfer switch...  
WO/2019/034251A1
The invention relates to a high-pressure cleaning device (10) comprising an electric motor (16) and a pump (18) powered by the electric motor (16) for pumping a cleaning fluid, a main switch device (40) for manually activating and deacti...  
WO/2019/031626A1
The present invention provides a direct current switch comprising: a first terminal electrically connected with a first direct current wiring; a second terminal electrically connected with a second direct current wiring, and coming in co...  
WO/2019/021385A1
A breaker (1) comprises: a transmission unit that performs contact and separation between a fixed contact point and a movable contact point by causing a moveable element to move along with the rotation of a rotating member (62); an elect...  
WO/2019/004876A1
The invention is used for protecting a transformer against short-circuiting and overloads in the primary winding. The invention makes it possible to achieve a simplification of the design, the absence of a reaction to current changes cau...  
WO/2018/220107A1
An electrical contact system includes: a static contact (310, 320) having a static contact point (311, 321); a movable contact (400) having a movable contact point (411, 421); a rotating member (100) on which the movable contact (400) is...  
WO/2018/220118A1
An electrical contact system includes: a static contact (21, 22), a movable contact (10) and an arc extinguishing device. The arc extinguishing device includes an arc extinguishing member (310, 320) and a driving mechanism for moving the...  
WO/2018/190777A1
The purpose of the invention is to improve a security electric switch by increasing its reliability and also by simplification thereof. The switch according to the invention said switch assembly (2) consists of an immovable contact membe...  
WO/2018/172418A1
The invention relates to an overcurrent protection device for a circuit to be monitored, having at least one tripping unit (12a-c) which is provided for the purpose of interrupting the circuit in at least one tripping situation and compr...  
WO/2018/136615A1
The present invention is an apparatus, and related method, with embedded functionality allowing a user to monitor and control energy consumption, including hardware installed in addition to an existing circuit breaker panel. A preferred ...  
WO/2018/134840A1
The present invention relates to secured externally controllable standalone domestic board breaker system with available protection system which replaces electro-thermo-mechanical era of domestic supply board system, said system comprisi...  
WO/2018/130007A1
Disclosed is an electrical switch, that is to say a circuit breaker, comprising a base seat (A), a central seat (B) and an upper cover (C), with a first placement chamber (D) being provided between the central seat (B) and the upper cove...  
WO/2018/130006A1
Disclosed is an operating mechanism for an electrical switch. An N-pole operating apparatus (2) is further provided between a central seat (3) and a bottom seat of an electrical switch. The N-pole operating apparatus comprises an N-pole ...  

Matches 1 - 50 out of 15,985