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JP2008270136 |
To provide a circuit breaker capable of preventing a metallic molten material from inhibiting the swing of a movable contact without enlarging a space between a base and a cross bar.The circuit breaker includes a circuit interrupter 10 w...
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JP2008270024 |
To obtain a circuit breaker not carrying out energization unless a plug is inserted.The circuit breaker includes; an excess current tripping element with bimetal (16) curved according to generated amount of heat based on energizing curre...
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JP2008270228 |
To provide a low-voltage circuit breaker which eliminates reignition by the bouncing of a movable contact toward a fixed contact on short-circuit breaking.The interior of a seat 21 of a support shaft 20 accommodates two springs 8 and a c...
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JP2008271710 |
To provide a breaker unit installed with breakers on the upper face of an adapter, capable of efficiently switching the breaker with the least wasted space even when two or more circuits are required.This breaker unit includes: the adapt...
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JP2008269916 |
To provide a handle operation device of switches capable of turning on/off handles by applying appropriate force to the handles of the switches by properly swinging a handle operation lever without being bent by a cam mechanism.This hand...
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JP2008262862 |
To provide a breaker mounting structure allowing the heights of breakers to be adjusted by a simple structure even if a plurality of breakers different in handle height depending on size are installed.In this breaker mounting structure, ...
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JP2008262935 |
To safely carry out a voltage-withstanding test by separating a ground fault detecting circuit from a main circuit by a simple switch operation for a ground fault breaker of a single structure having a body case with a shared component w...
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JP2008258132 |
To provide a modularized terminal of a wiring breaker by which it is easy to make various combinations of terminals by a simple constitution and assembling.The modularized terminal of the wiring breaker is constituted of a plurality of t...
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JP2008251360 |
To provide an external operation handle device satisfying isolation without depending on characteristics of a switch combined with it.This external operation handle device is provided with: a first rotary member engaged with a toggle-typ...
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JP2008226808 |
To provide a case capable of easily mounting or replacing a terminal part structure by a connection system of a circuit breaker.The case of the circuit breaker with a terminal structure change type integrated door comprises a case for ho...
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JP2008226631 |
To provide a down-sized remote control device of a circuit breaker capable of perceiving from a position of a handle the tripping operation status of the circuit breaker, without requiring a large operation force more than necessary at t...
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JP2008226503 |
To provide a branch breaker used for a distribution board to monitor a current carrying state, whereby an address can be easily set and recombined, and duplication of the same address is prevented.This branch breaker 4 is equipped with a...
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JP2008226632 |
To provide a circuit breaker in which arc resistance is improved by reducing wear of a grid of a deion type arc extinguishing chamber due to arc.An arc extinguishing chamber 10 of deion grid type is installed at a current cut-off part of...
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JP2008228379 |
To provide a distribution board capable of automatically setting an address so that a branched circuit can be easily identified, and being free from erroneous setting.The distribution board includes a plurality of branched circuits, a br...
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JP2008226852 |
To provide a fixing structure of a circuit breaker on an apparatus fixing board where a plug-in type circuit breaker or the like can be fixed and wiring is not damaged and a tool is not required at removal.The fixing structure of a circu...
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JP2008218128 |
To provide a circuit breaker allowing handle operation to be surely prevented although work for bringing it into a handle operation prevention state is easy by preventing the handle operation prevention state from being terminated by com...
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JP2008210742 |
To provide a circuit breaker which can work surely even in a region of a relatively small short circuit (cord short circuit) without enlarging a size of the circuit breaker.The circuit breaker is provided with a switching mechanism in wh...
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JP2008211877 |
To provide a distribution board which can hold the installation state of branch switches against any forces in all directions.The distribution board comprises: a plurality of the branch switches 4; an installation base 7 at which the bra...
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JP2008211871 |
To provide a structure for fixing a transparent electric shock prevention cover in a plug-in fitting wherein it is possible to reliably and easily ensure insulation between an internal device in a plug-in fitting for bus-ducts and a meta...
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JP2008204863 |
To provide a terminal device of an electric apparatus capable of preventing large external force from being transmitted to a terminal block even when the large external force is applied to an external connection wire connected to the ter...
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JP2008204630 |
To enable the content of abnormality to be known when energization abnormality occurs in an electronic breaker.The electronic breaker is equipped with a current detecting part 41 to detect a current, a voltage, and electric leakage or th...
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JP2008204631 |
To display current-carrying information at current-carrying normal time, at current-carrying abnormal time, and at the time of power supply off by one display tool in an easy-to-understand way, and downsize it in an electronic breaker.Th...
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JP2008192365 |
To obtain desired characteristics without exchanging a return spring in an instant tripping characteristics test after completion of a product.The tripping device comprises a heater assembly in which a fixed magnet and a bimetal are inte...
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JP2008186664 |
To provide a circuit breaker capable of housing a flexible conductor in a small space, of achieving downsizing of the circuit breaker, and moreover, of suppressing increase in joining work even when two pieces of flexible conductors are ...
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JP2008186643 |
To increase an effective surface area in which a pyrolysis gas is generated by arc heat without expanding its outer dimension, by making use of a flow of that pyrolysis gas, improve so as to enable to drive an arc generated between fixed...
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JP2008186644 |
To enable to padlock and to lock a handle on an OFF position only in an OFF state of a breaker by adding a simple and easy parts to a locking plate of a plate type handle locking device.This is the handle locking device in which the lock...
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JP2008177140 |
To provide an ampere breaker provided with an alarm sounding function which can prevent a sudden shutdown of a power source due to an over-usage of power by checking correctness of an ampere contracted with a power supply company.In orde...
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JP2008166277 |
To provide a circuit breaker for interrupting current in a line conductor.The circuit breaker (10) includes: a contact (24) which becomes separable when it is activated; a tripping mechanism (26) which is selectively opened; and a serial...
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JP2008166247 |
To provide a terminal module for a wiring breaker capable of easily selecting, attaching, and detaching standard, plug-in, and box type terminals of the wiring breaker and to provide a wiring breaker equipped with the terminal module.The...
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JP2008159416 |
To provide a terminal device where a connection terminal is not separated from a terminal block even if a terminal mounting screw fixing the connection terminal to a terminal conductor of a circuit breaker is loosened.This terminal devic...
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JP2008159369 |
To easily rearrange a coil and a pot, and to restrain variation in the positioning precision of the coil and pot of each product.A circuit breaker comprises a trip mechanism 30 for composing an electromagnetic coil 31, an armature 32, a ...
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JP2008159583 |
To provide a current tripping device for a circuit breaker protecting circuits and having ability to function as a rectifier.The tripping device (10) includes a current lead element (12), an anchor (40) having up-and-down positions, and ...
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JP2008159503 |
To provide an external operation handle device which is applied to a circuit breaker installed in a board, and equipped with an alarm display function that a short-circuit trip state can be confirmed directly and visually from the outsid...
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JP2008159370 |
To secure stock in units by unitization for versatility with a simple configuration.A contact open/close mechanism 20 comprises: a movable contact 51; an arm 21; a mechanism board 22; a pull-out spring 23; and the like. The arm 21 is con...
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JP2008159371 |
To carry out stoppage at a tripping position of a handle and the display of a tripping state, by a simple structure without installing separate devices.The circuit breaker 1 is provided with an operating handle 11, a mechanism handle 12,...
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JP2008160998 |
To provide a distribution panel in which a circuit breaker can be easily attached/detached on a substrate.The distribution panel is provided with a plurality of conductive bars 5a-5c; a plurality of circuit breakers 2 each inserted and c...
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JP2008159368 |
To hold a lock member and a lock pin integrally so that a lock pin does not come off the lock member.A handle lock device 1 comprises: the lock member 20 having a fitting groove 21 externally fitted to an operation handle 51 of a circuit...
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JP2008152929 |
To provide a circuit breaker equipped with a handle lock device which can be attached and detached by easy operation, in which there is no possibility of missing or coming off by an external force or the like, and in which unnecessary op...
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JP2008152975 |
To provide a circuit breaker in which an elastic conductive wire that can be connected to a bimetal piece without a wide space even if a bimetal piece is arranged without neighboring the bimetal piece to the right and left.One end of a p...
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JP2008153215 |
To provide a circuit breaker provided with adjustable arc-flash protection.This circuit breaker includes a microprocessor and a wireless sensor in communication with the microprocessor. The wireless sensor is configured to detect the pre...
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JP2008153188 |
To provide a circuit breaker in which it can be recognized easily from the outside that it is the circuit breaker inhibited from being operated, a desired operating state in an ordinary state can be recognized, and improving of a handle ...
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JP2008152977 |
To provide a circuit breaker capable of thinning of a zero-phase current transformer part and furthermore thinning of the breaker main body itself.On the inside face of the breaker case 4, the stationary projection 35 which is insertable...
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JP2008153029 |
To provide a terminal cover fall-off prevention structure capable of preventing a terminal cover from falling off a cabinet, with engagement of a pawl part with a locking part of the cabinet, even if the terminal cover is bent due to dro...
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JP2008152928 |
To provide a circuit breaker capable of carrying out suppression of handle operation surely although work for the handle operation suppression state is easy.In the circuit breaker in which by acting on an electric contact switching mecha...
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JP2008153072 |
To provide a circuit breaker of small-rated specifications by slightly changing a part of an overcurrent tripping device with a coil-free unit structure adopted for a circuit breaker of large-rated specifications.In the overcurrent tripp...
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JP2008140598 |
To connect a wire with a round crimp terminal to a terminal part without detaching a terminal cover from an electromagnetic contactor.A bendable thin part 7a is formed in the terminal cover 7 mounted to the terminal part 3 of this electr...
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JP2008140692 |
To provide a circuit breaker unit capable of forming the compact size of a switching mechanism in the widthwise direction, while it is designed as a movable contact of fast switching operation in comparison with the structure of a fixed ...
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JP2008135383 |
To show stable actions and operation functions with high electromagnetic thrust force secured in an average over its whole operation processes, and without adding excessive impact load to a handle at a switching terminal position, when a...
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JP2008136282 |
To facilitate the wiring of output lines from current sensors, to protect the output lines from disconnection, and to improve the reliability of the transmission of output signals.The distribution board 1 includes the current sensors whi...
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JP2008135269 |
To provide a breaker device capable of detecting precisely reverse current and a fuel cell.A reverse current sensor 9 which detects a reverse current of power from a fuel cell 1 to a system power source 5 is installed integrally on a bre...
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