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Document Title |
JP7445524B2 |
To provide a plug-in breaker fixing structure in which there is no operation section at the side of a load-side terminal of the breaker and which cannot be removed in an ON state.A holding part 21 holding a breaker 1 in which a power sou...
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JP7442403B2 |
To provide a circuit breaker in which the positions of terminal fittings can be easily adjusted and the present positions of the terminal fittings can be easily grasped.In a body case 2, there are provided: terminal fittings 10A and 10B;...
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JP7439292B2 |
The present invention relates to an arc extinguishing assembly, including side members which are spaced apart by a certain distance and disposed to face each other; an exhaust which is installed on an upper part of the side member; a plu...
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JP7439294B2 |
The present invention relates to an arc extinguishing assembly, including side members which are spaced apart by a certain distance and disposed to face each other; an exhaust which is installed at an upper part of the side member; a plu...
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JP7437665B2 |
To provide a terminal device and a circuit breaker capable of reducing the amount of a material composing terminal components.A terminal device 4 includes a contact (a fixed contact 41), a first terminal component 5, a second terminal co...
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JP7433156B2 |
To provide a lock cover mounting structure which can suppress the lifting of a lock cover from the upper surface of a main body case even when the lock cover is attached to an operation unit in the ON position or the lock cover is attach...
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JP7432762B2 |
An air circuit breaker is disclosed. The air circuit breaker according to an embodiment of the present invention includes a cover magnet unit. The cover magnet unit is directly coupled to an upper cover which forms the outer appearance o...
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JP7432761B2 |
Disclosed are an arc extinguishing unit and an air circuit breaker comprising same. An arc extinguishing unit, according to an embodiment of the present invention, comprises an extinguishing magnet unit that forms a magnetic field inside...
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JP2024017339A |
An object of the present disclosure is to improve workability in connection work of electric wires. A circuit breaker A1 has a terminal block B1 electrically connected to a conductor of a primary electric wire. Terminal block B1 includes...
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JP2024017341A |
An object of the present invention is to provide a circuit breaker and a distribution board that can reduce the possibility of deformation of an outer case. [Solution] A circuit breaker A1 includes: a terminal block B1 electrically conne...
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JP2024017338A |
An object of the present disclosure is to improve the workability of wire connection work. A circuit breaker A1 has a terminal block B1 electrically connected to a conductor of a primary electric wire. Terminal block B1 includes a first ...
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JP2024017340A |
An object of the present invention is to provide a circuit breaker and a distribution board that allow the connection state of electric wires to be visually confirmed. [Solution] The circuit breaker includes a terminal block B1 electrica...
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JP7427332B2 |
To provide a circuit breaker that prevents the armature from floating or rotating due to the impact force when a handle is operated, and also prevents an unfavorable gap between a cover and a base or between the cover and other parts.A c...
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JP7422891B2 |
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 ass...
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JP7422335B2 |
To provide a detection system capable of detecting power recovery of a power system in a state in which a contact of an electric path is open, a circuit breaker, and a distribution board.A detection system is used for a circuit breaker 1...
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JP7418925B2 |
To suppress a failure caused by not sufficiently securing a contact area with a bus bar.The present invention relates to a plug-in terminal structure in which a bus bar 8 inserted from an introduction part is connected by contacting a fi...
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JP2024008076A |
The present invention provides a branch circuit breaker mounting structure that improves the reliability of fixing the branch circuit breaker to a mounting position. A branch circuit breaker mounting structure 100 includes a mounting mem...
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JP2024008077A |
A branch circuit breaker mounting structure is provided that allows easy removal of a branch circuit breaker mounted at a mounting position. A mounting member 6 releases the mounted state of a branch circuit breaker 4 when a contact port...
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JP2024008079A |
The present invention provides a branch circuit breaker mounting structure that allows the mounting state of the branch circuit breaker to be easily confirmed. [Solution] A branch circuit breaker mounting structure 100 is configured such...
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JP2024008694A |
An object of the present invention is to provide a circuit breaker that can be downsized and can stably rotate a movable contact. A current interrupting section corresponding to each phase of a main circuit is provided with a long plate-...
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JP2024004761A |
[Problem] To enable a different arrangement of copper bars and breakers than before. [Solution] A plug-in adapter 1 includes a breaker connection part connectable to a connection terminal part of a breaker 4 having a connection terminal ...
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JP7411921B2 |
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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JP7412600B2 |
To obtain an overcurrent trip device which can realize a reduction in the size of the device and a circuit breaker using the same. An overcurrent trip device (100) includes a conductor (3) connected to a main circuit of a circuit breaker...
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JP2024002573A |
[assignment]To obtain a communication unit for a circuit breaker capable of outputting information indicating the open/closed state of the circuit breaker by wireless communication without using power from a power supply circuit that gen...
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JP7407565B2 |
To provide a tripping device to which a spring can be easily attached and a circuit breaker including the same.A tripping device 100 includes a magnetic attraction unit 130 that generates a magnetic force when an overcurrent is generated...
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JP7405853B2 |
A switching device for guiding and switching of load currents includes: a movable switching component having a first movable contact and a second movable contact; a first fixed contact and a second fixed contact; a supporting device for ...
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JP2023180100A |
An object of the present invention is to provide a circuit breaker in which the open position of a movable contact can be maintained with a simple structure during current-limiting interruption, and can also be applied to small models. A...
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JP7399026B2 |
To provide an interlock device capable of improving a degree of freedom in a holding state of another lever while holding one lever of a breaker.The present invention relates to an interlock device 100 for holding ON or OFF of one of a f...
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JP7399308B2 |
Disclosed is an air circuit breaker. The air circuit breaker according to an embodiment of the present invention includes a CT magnet unit. The CT magnet unit is provided in the air circuit breaker to cover a movable contact point expose...
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JP7399276B2 |
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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JP2023176575A |
An object of the present invention is to provide a circuit breaker connector that allows connection of electric wires in a wide space of a distribution board before the circuit breaker is assembled. [Solution] A first branch unit 4a that...
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JP2023176577A |
[Problem] To enable the drawing in and wiring of electric wires in a wide space before assembling a breaker. [Solution] It has a branch connector 4 that is interposed when connecting a branch breaker 3 to a branch wiring 9, and the branc...
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JP2023176576A |
An object of the present invention is to provide a circuit breaker connector that allows connection of electric wires in a wide space of a distribution board before the circuit breaker is assembled. [Solution] A first main unit 5a attach...
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JP7391473B2 |
To provide an electrical device in which a load-side terminal plate having a horizontal surface to which an electric wire is connected and a vertical surface extending in a direction different from the horizontal surface is located on th...
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JP2023170000A |
The present invention provides a terminal seat and a circuit breaker that can save space while appropriately securing a path through which gas can flow inside the circuit breaker. [Solution] The terminal seat is a terminal seat that elec...
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JP2023170001A |
An object of the present invention is to provide a release lever and a circuit breaker that can improve the operability of disengaging an electric wire. [Solution] The release lever is a release lever that is used to disengage the electr...
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JP2023169999A |
An object of the present invention is to provide a circuit breaker in which a release lever for releasing the engagement of an electric wire can be easily assembled. [Solution] The circuit breaker includes a terminal seat that can be eng...
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JP7390202B2 |
To provide a circuit breaker having a pocket cover which can be easily removed but is hardly detached even if internal pressure rises.A circuit breaker has a pocket part 5, for housing an accessory device, on an upper surface of a housin...
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JP2023167700A |
To provide a current measuring device that can ensure reliability of a current measuring section.A current measuring device 40 includes a plurality of current measuring sections 27a to 27c and a self-diagnosis determining section 31c. Th...
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JP7384180B2 |
To provide a circuit breaker that enhances the cooling effect of an arc by increasing the amount of ablation gas generated, maintains a fixing function of a plurality of grids by increasing the tracking resistance and heat resistance, an...
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JP7380275B2 |
To provide an arc runner that enables an arc to run smoothly from a fixed side contact to the arc runner even in a small current region and a circuit breaker using the same.In the arc runner, a fixed contact part 1 and a guide part 2 are...
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JP7378643B2 |
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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JP2023160165A |
To obtain a circuit breaker capable of fixing a round crimp terminal without using a crimp terminal tightening screw and reducing restrictions on an insertion direction of the round crimp terminal.A terminal device includes: a terminal f...
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JP2023156739A |
To provide a circuit breaker that improves breaking performance by preventing re-contact or re-ignition of a movable contact and a fixed contact even when the movable contact opens due to small electromagnetic repulsive force.In a circui...
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JP2023148795A |
To provide a circuit breaker in which biasing means for disengaging a movable contact is made of a member that does not require consideration of electrical insulation.When a movable contact point 5 attached to a movable contactor 12 cont...
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JP2023147533A |
To prevent a risk where a terminal screw cannot be removed by a scattering substance, contained in arc gas, adhered to the terminal screw.A circuit breaker comprises: a movable contactor 50 having a movable contact 51; a fixed contactor ...
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JP2023141787A |
To provide a switching switch for input switching whose width dimension can be made smaller than that of the conventional one, and a distribution board incorporating this switching switch.A switching switch according to the present inven...
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JP2023136986A |
To provide a circuit breaker which, when a connection failure in a terminal portion is detected, displays the location and allows the location of the occurrence to be easily recognized.A circuit breaker includes overcurrent detection mea...
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JP3243976U |
[Problems] The structure is compact, convenient for processing and modification, safe and reliable, does not affect the normal use of the breaker, has good waterproof performance, can avoid power outage due to incorrectly operated lines,...
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JP7346127B2 |
To provide a plug-in type breaker having a structure that can handle both the orthogonal direction and the parallel direction with respect to the arrangement direction of a copper bar.In a structure that connects either a power supply si...
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