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Patent Searching and Data


Matches 751 - 800 out of 12,215

Document Document Title
JP2022017515A
To provide a circuit breaker that allows very fast start for a relatively large current spike but will not start for a relatively small current spike.A circuit breaker arrangement includes at least two start mechanisms. A first start mec...  
JP7008982B2
To provide a circuit breaker with terminal temperature display function, which does not require significant remodeling of circuit breaker, and is hard to be affected by arc gas when the circuit breaker is turned off.MEANS FOR SOLVING THE...  
JP2022015372A
To make an arc generated when a short circuit occurs difficult to reach a spring part that energizes a movable contact.A circuit breaker for wiring includes: a fixed contact including a fixed contact 24; a movable contact 22 including a ...  
JP2022015373A
To protect a barrier from arc gas in a circuit breaker for wiring.A circuit breaker 1 for wiring includes: a housing 10 formed by attaching a cover 12 to a base 11; a fixed contact 21 fixed in the housing; a variable contact 25 movable f...  
JP2022016084A
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.A screw part 17A is provided on a peripheral face of an operation me...  
JP6999837B2
The present invention relates to an arc extinguishing chamber base of a molded case circuit breaker and, more specifically, to an arc extinguishing chamber base of a molded case circuit breaker, manufactured using a thermoplastic resin. ...  
JP6999235B2
To provide a structure capable of grasping a wiring state at a load side of a main circuit in a state where a breaker is turned off.An abnormality detection device 1 comprises: a current output unit 11 which causes a current to flow to a...  
JP2021197297A
To reduce the loss of a contact area between a terminal seat and a crimp terminal and suppress excessive temperature rise.A molded case circuit breaker 1 includes a base 11 with a mounting portion on which a terminal seat 5 is mounted, a...  
JP6984878B2
To provide a protective cover which can be inexpensively manufactured.A protective cover 1 formed by bending a sheet-like blank 2 having insulation properties includes: a back wall 11; a top wall 13 provided integrally with the back wall...  
JP6986840B2
The invention relates to a device with at least one movable contact for a protective apparatus, having a number of recesses equal to the number of movable contacts, a mounting which is stationary relative to the casing which enables the ...  
JP6984029B2
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...  
JP6980984B2
A fixing and unlocking mechanism for a plug-in type circuit breaker comprises a housing (1). A button (2) is mounted in a button slot (101) of the housing (1). The fixing and unlocking mechanism is characterized in that the housing (1) i...  
JP6979903B2
To provide a seismoscopic relay which improves workability and wiring can be performed in a short time when mounting a seismoscopic relay panel adjacently to an existent distribution panel and performing wiring connection of a wire betwe...  
JP2021190260A
To lock any other switch than a desired one of a plurality of switches in a simple shape.A lock device (1) includes a slide plate (10) which can slide in a prescribed slide direction, has one notch part (15) provided on one side along th...  
JP2021190196A
To improve a breaking performance of a circuit while suppressing increase in size of an external dimension.A circuit breaker comprises: a movable contact 30 in which a fixed contact 20 to which a fixed contact point 21 is provided and a ...  
JP2021190325A
To solve a problem in which it is necessary to carry out a large number of inspections and maintenance management of an inspection device in order to reduce the variation in inspection results caused by an inspection device in a circuit ...  
JP2021182502A
To provide a circuit breaker which facilitates adjustment of a distance between an end of a bimetal and a trip bar.A circuit breaker comprises: a first terminal and a second terminal; a bimetal including, in a length direction, a first e...  
JP6969690B2
An open/closed indicating apparatus for a circuit breaker operating apparatus, comprising a button (1) and an indicating element (2). The button (1) is provided therein with a cavity (101). The indicating element (2) is mounted within th...  
JP2021180067A
To improve the workability of removing a circuit breaker.A circuit breaker 1 having a hooking hole for fitting a hooking piece formed in a device mounting plate 5 and a spring hole 15 for fitting a leaf spring 52 includes a release lever...  
JP6967737B2
To provide a terminal for switch capable of reducing trouble, caused by work of a worker, in a connection between a switch body and a crimp terminal, and a switch.A terminal 30 for switch comprises a terminal holding member 31 and an ins...  
JP6966002B2
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...  
JP6960172B2
To provide a circuit breaker capable of improving responsiveness at the time of blockage.A circuit breaker includes a case 2, a cable way for connection with terminals T1, T2 on the power supply side, and the load side, a contact part 3 ...  
JP6958780B2
A clapper-type electromagnetic release for a miniature circuit breaker is characterized by comprising an armature (1), a magnet yoke (2), a coil (3), an iron core (4), a shaft (5), and an armature torsion spring (6). The iron core (4) is...  
JP6958779B2
A locking mechanism for a circuit breaker operation device comprises a housing (1). A button (2) is mounted in a button slot (101) of the housing (1). The locking mechanism is characterized in that the housing (1) is provided with a lock...  
JP2021174628A
To provide a plug-in terminal structure capable of easily and visually checking whether a plug-in terminal is successfully connected to a bus bar.In a plug-in terminal structure, a plug-in terminal part 11 including a plug-in terminal co...  
JP6949254B2
The present invention provides a circuit breaker that prevents a molten metal, which is generated at a time of arc extinction and adheres to a crossbar, from entering a mechanism part during a blocking operation of the crossbar by provid...  
JP6948304B2
To provide a terminal board which makes a wiring direction of a lead wire capable of freely correspond to both directions such as a longitudinal direction and a lateral direction.A terminal board comprises: an insulation board having a s...  
JP6947121B2
The utility model is provided with a handle fixing part (2) and a locking part (3), the handle fixing part (2) is provided with a concave cap part (2c) which is provided with an opening at one end part of a frame-shaped part (2w); and an...  
JP6945499B2
To provide a circuit breaker capable of reducing variation in cut-off performance.A circuit breaker 1 comprises: an insulative base 11; a fixed contact 31 supported on the base 11; a movable element 33 to which a movable contact 32 facin...  
JP6942770B2
The present disclosure relates to a molded case circuit breaker, and particularly, to a molded case circuit breaker with an insulated cover.A molded case circuit breaker in which a load-side terminal is connected to an external connectio...  
JP6942105B2
To provide a terminal block that is freely adaptable to a wiring direction both in a longitudinal direction and a lateral direction.The terminal block is provided that comprises: an insulating block having a step part having height varyi...  
JP2021151045A
To eliminate the hassle of connecting a breaker unit to the ground.In a breaker unit 1 installed in a housing of a distribution board, a circuit breaker 11 and a connection device 12 that connects a load connected to the secondary side o...  
JP2021151046A
To make it easy to cover the end of a bus bar except a portion covered by a breaker provided in a breaker unit.In a breaker unit 1 installed in a housing 81 of a distribution board 8, a circuit breaker 11 and a connection device 12 that ...  
JP6936675B2
To provide a breaker attachment structure such that breakers can be attached with fewer fixing members relative to the number of breakers to be attached and requires no fixing member to be removed when the breaker is removed.A front side...  
JP6936729B2
To provide a circuit breaker which can be easily assembled, while adopting a quick connection terminal.A circuit breaker comprises: an intermediate base 12 having quick connection terminal metal fittings 10 and 10, load seats 21 and 21 h...  
JP6937721B2
The purpose of the utility model is to obtain a circuit breaker which does not require troublesome wiring operation and does not worry about abnormal operation and the like. The quick connection terminal unit (3) is detachably formed at ...  
JP6913139B6
A contactor assembly is connected to a bus-bar of a main circuit-breaker. The assembly includes a housing including an opening defined therein; a contactor passing through the opening, wherein the contractor includes contacting portions ...  
JP6928389B2
To provide a circuit breaker capable of blocking a cable way quickly when an excessive current flows through the cable way.A circuit breaker includes a case 2, a cable way for connection with terminals T1, T2 on the power supply side and...  
JP6927748B2
To provide a circuit breaker by which, in a state where a hooking piece of the circuit breaker is not surely hooked in a slit of a mounting panel, such a state can be discriminated from an appearance of the mounted circuit breaker.Hookin...  
JP6929195B2
To provide a breaker mounting structure of a distribution board to which the breaker is easily detachable and in which a sufficient fixing power at a time of mounting is secured and which is low in cost.A breaker mounting structure 1 inc...  
JP6924502B2
To provide a connection failure detection device that can be retrofitted to an ordinary circuit breaker and whose mounting position is not affected by the position of the circuit breaker body, an electric wire connected to the circuit br...  
JP6921421B2
To provide a circuit breaker having good responsiveness at the time of blockage.A circuit breaker includes a contact part of a circuit, an attraction body becoming an electromagnet by the current of the circuit, and a movable body capabl...  
JP6921422B2
To provide a circuit breaker capable of restraining plastic-deformation of a bimetal.A circuit breaker includes a contact part for opening and closing a circuitry, an attraction body becoming an electromagnet by the electric current of t...  
JP6920130B2
To provide a circuit breaker which can be fixed more easily to a mounting panel.In a lock member 30, a lock part 32 is slidable vertically between a lock position projecting downward from a bottom face of a body case 4, and an unlock pos...  
JP6920134B2
To provide an attachment structure of a circuit breaker to an attachment panel which can be further easily fixed to the attachment panel.In a lock member 30, a lock portion 32 is enabled to vertically slide between a lock position projec...  
JP6916863B2
Electronic tripping device for an electrical, multipole line protection apparatus, of the circuit-breaker type, comprising a current measurement unit (1) and an electrical current measurement processing unit (2). Each of said units (1, 2...  
JP6914909B2
A direct-current circuit breaker. An arc extinguishing chamber (3) is mounted on a second housing (2) and is provided with a side opening (30) opposite to a first housing (1). A gas producing hood (4) is mounted in the lower part in the ...  
JP2021110603A
To provide a notification system and a measurement system capable of easily supplying operating power for performing notifications relevant to measured values.A notification system 3 includes a notification unit 5 that performs notificat...  
JP2021111608A
To provide an aerial switch that automatically switches off.An aerial switch that automatically switches off includes a switch body, an electric circuit space is installed inside the switch body, an electric circuit blocking mechanism th...  
JP2021518632A
To provide a circuit breaker (2) including a switching unit (4) for interrupting a current circuit. A circuit breaker (2) can move relative to a stationary fixed contact (22) and the fixed contact (22), and can move from a closed positio...  

Matches 751 - 800 out of 12,215