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Patent Searching and Data


Matches 601 - 650 out of 4,678

Document Document Title
JPWO2012160647A
An electronic circuit breaker which enabled distinction of excessive current flowing into an exchange cable run, and a current value being unable to measure correctly in an electronic circuit breaker carrying an electromagnetism tripping...  
JP2012238566A5  
JP5552362B2  
JP2014127349A
To provide a control unit with a leakage cut-off function in which an operator of a switch is prevented from touching a high voltage, without providing a cover part for covering wiring parts of a test switch and a reset switch.A forced l...  
JP2014116075A
To accurately grasp voltage setting.A branch breaker includes: a casing provided with a plurality of connections 65-67 engageable with a plurality of conductive bars N, L1, L2 for supplying different levels of power respectively. The bra...  
JP5531894B2  
JP5519811B2  
JP5519752B2  
JP5517566B2  
JP2014107238A
To achieve power saving and secure safety of an earth leakage breaker provided to an electronic apparatus such as an image forming apparatus.An earth leakage breaker 2 includes: a switching unit 21 that is provided on an electrical circu...  
JP5513870B2  
JP5495375B2  
JP5495374B2  
JP2014089955A
To provide a high-speed fault current detection circuit which can minimally suppress the possibility of malfunction with respect to a surge signal and in which trip control decision time is very short.The high-speed fault current detecti...  
JP2014511665A
An overcurrent protective device (64) is provided with a maximum-allowable-current unit (34) and an electric power switch (20). A maximum-allowable-current unit (34) determines maximum allowable current in real time. Maximum allowable cu...  
JP3190447U
[Subject] It can be used automatically and stably via a help, and the earth leakage breaker with an examination button by try アック realized simply easily is provided. [Means for Solution] Cathode T1 and anode T2 of try アック are...  
JP5484314B2  
JP5476060B2  
JP2014072178A
To provide a leakage breaker which allows a user to easily understand whether the cause of trip is leakage or loosening of terminal screws.At terminals 3, 4, poor connection due to loosening of terminal screws 5 is detected. A first elec...  
JP2014073032A
To provide a controller case capable of accurately positioning and fixing an electric component such as an earth leakage breaker, and appropriately restraining occurrence of backlash and the like.A controller case C includes a receiving ...  
JP2014072179A
To surely detect loosening of a terminal screw by preventing floating of an insulation spacer interposed between a terminal seat and a nut in a terminal structure for detecting loosening of the terminal screw on the basis of a potential ...  
JP5465599B2  
JP5464701B2  
JP5461293B2  
JP5439198B2  
JP5438305B2  
JP5424362B2  
JP2014026729A
To provide a breaker including a current measuring function which facilitates the connection work of a connector, and signal lines of which do not get in the way of the load wiring, and to provide a distribution board using this breaker....  
JP2014026739A
To provide a circuit breaker which enables a current sensor to be detachably fixed and held with a simple operation and eliminates a need of enlarging the circuit breaker for a current sensor attachment space when the current sensor is i...  
JP2014026728A
To provide a breaker provided with a current measurement function, capable of simplifying a signal line that is used to output a current value to the outside, and to provide a distribution board using the breaker.A breaker provided with ...  
JP2014022115A
To provide a circuit breaker in which an overcurrent is interrupted by utilizing only the thermal deformation action of a bimetal without requiring the pressing force thereof, and in which an unstable state does not occur in the overcurr...  
JP2014017226A
To provide a leakage breaker capable of performing current display notification before a limiter installed to a power distribution board is suddenly operated to interrupt the power supply due to excess use of electricity, and of enhancin...  
JP5403382B2  
JP5402378B2  
JP2012234652A5  
JP2013257213A
To address the problem that electric leak detecting devices using ring-shaped magnetic elements have their own limit in downsizing and, where thick electric wires are used, the ring-shaped magnetic elements themselves become larger, enta...  
JP2013258060A
To warn not to perform power interruption operation (open operation) of a path carelessly if the path is charging, when application of a biasing force for operating an operation part is started, in a manual switch for switching a path by...  
JP5373165B2
To securely break electric connection between poles of a DC power supply or an AC power supply all through an overcurrent range. This invention is applicable to a circuit breaker arranged in a power supply circuit that supplies power fro...  
JP5372597B2
To provide a circuit breaker for a low-tension power contract capable of activating an overcurrent detection circuit at a driving voltage obtained from a current transformer. The circuit breaker for low-tension power contract is provided...  
JP2013246955A
To provide a tripping device of a switch in which conductivity does not become unstable even though a pressing button is repeatedly used.The tripping device of a switch includes a movable contact 15 to be pressed down by a pressing butto...  
JP2013246996A
To provide a two-pole circuit breaker by which an output signal lead wire of a CT of a circuit breaker is easily led, and that can be reliably fixed at a predetermined position.A two-pole circuit breaker comprises: a current transformer ...  
JP2013243131A
To isolate electrical energy storage components.A contactor unit includes: an input lead connectable to a first lead of an energy output device; an output lead connectable to a first lead of a voltage bus; a contactor for connection and ...  
JP5358659B2
Disclosed is a trip device of a circuit breaker, the device including: a rectifying unit (200) converting an AC (Alternating Current) voltage applied to the circuit breaker to a DC (Direct Current) voltage; a smoothing unit (210) connect...  
JP5354619B2
To provide a controller for setting an operation reference current value of a circuit breaker, which enables an easy confirmation of whether a contact current value is correctly set while the workability is excellent without an entry int...  
JP5354618B2
To provide a circuit breaker having a current limiting function in which it is hard to illegally use and modify, and when regularly changing a contract current, an operation current according to the contract current can be changed easily...  
JP5354620B2
To provide a circuit breaker which can prioritize set values determined by an operation reference current value setting section to perform setting of operation reference current values with flexibility in the cases where a work is carrie...  
JP5351533B2
To provide a circuit breaker stopping supply of power to a determination circuit after breaking, even in case an operation power source of the determination circuit is taken further from a power source side than a power source side termi...  
JP5351062B2
PURPOSE: A battery circuit breaker is provided to secure the operation of a trip coil by supplying the necessary voltage when the short-circuit current is flowing in an alternating current converter. CONSTITUTION: A battery circuit break...  
JP5345444B2
To surely protect a wiring path from heating, by keeping changes of a line current as a history in the duration of an excess current to early actuate a cutoff mechanism. In an electronic molded-case circuit breaker, a CPU determines the ...  
JP5339973B2
To interrupt an electric passage between a drive circuit of a motor used for a pool floor elevating device and a power source by leakage of 5 mA in a leakage interrupter arranged in a pool for water depth adjustment and used for the pool...  

Matches 601 - 650 out of 4,678