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Patent Searching and Data


Matches 401 - 450 out of 4,484

Document Document Title
JP2014229413A
To provide a compact circuit breaker or distribution board which allows for high accuracy current measurement.A circuit breaker or a distribution board includes a plurality of path arrangement parts for arranging the paths, a plurality o...  
JP5634240B2  
JP2014220055A
To provide an earth leakage breaker in which a determination can be made easily and reliably whether or not earth leakage is occurring in a monitored circuit.In an earth leakage breaker 1 used in a facility form where a plurality of tran...  
JP5615958B1
【課題】本願発明は、監視対象回路の漏電か 監視対象外の回路の漏電かを容易に且つ確実 に判断することのできる漏電遮断器を提供す る。【解決手段】この発明は、複数の変...  
JP2014202671A
To reduce complexity and erroneous wire connection of an inspection of a relay system.The inspection plug includes: an electrode body connected to a first current transformer when an inspection plug is inserted to a main body; a variable...  
JP2014199726A
To provide an undervoltage tripper capable of miniaturizing it and reducing costs, while stabilizing voltage sensitivity and ensuring delay-time characteristics.An undervoltage tripper for a circuit breaker comprises: a low voltage detec...  
JP2014199725A
To provide an overvoltage/undervoltage tripper for a circuit breaker capable of stabilizing voltage sensitivity and ensuring delay-time characteristics while miniaturizing it and reducing costs.An overvoltage/undervoltage tripper for a c...  
JP2014199724A
To provide an undervoltage tripper capable of miniaturizing it and reducing costs, while stabilizing voltage sensitivity and ensuring delay-time characteristics.An undervoltage tripper for a circuit breaker comprises: a low voltage detec...  
JP2014199718A
To enable an electric leakage detector to discriminate between an electric leakage symptom and a non-electric leakage symptom such as an anti-inrush noise outputted from an inverter device, etc., making more accurate determination of ele...  
JP2014199755A
To provide an electromagnetic tripping device and a circuit breaker ensuring a stabilized coil spring load.An electromagnetic tripping device 90 includes a coil spring 98, a fixed iron core 93 to be inserted into the coil spring 98, and ...  
JP5613551B2  
JP2014196920A
To provide a leak detection device capable of identifying a cause of a leakage even after the leakage has occurred when a leakage phenomenon occurs.A leak detection device 1 includes: a zero phase current transformer 11 in which an AC sy...  
JP2014191909A
To provide a leakage detection tripping unit capable of suppressing temperature rise in the vicinity of a connection terminal part of a circuit breaker.A leakage detection tripping unit 4 externally attached to a circuit breaker includes...  
JP2014191910A
To provide a leakage detection tripping unit capable of suppressing temperature rise in the vicinity of a connection terminal part of a circuit breaker.A leakage detection tripping unit includes a main circuit bar connected to a circuit ...  
JP2014191908A
To provide a leakage detection tripping unit capable of suppressing temperature rise in the vicinity of a connection terminal part of a circuit breaker.A leakage detection tripping unit 4 externally attached to a circuit breaker includes...  
JP5592777B2  
JP2014164799A
To provide an earth leakage breaker capable of preventing coil burning by means of a power supply cut-off member in the case that an electric leakage test button is continuously pressed, and of equalizing interpolar load balance by a sim...  
JP2014157155A
To provide an RMS detector for directly computing a signal detected through an analog circuit to measure its RMS value, and a circuit breaker using the same.An RMS detector according to the present invention includes: a plurality of volt...  
JP2014157665A
To provide a circuit breaker that can be downsized while reducing a manufacturing cost, even if a trip button is provided therein.Provided is a circuit breaker in which a trip button 22 includes: a push button part 22b provided at a tip ...  
JP2014157751A
To provide a circuit breaker that reduces an environmental load and ensures electrical safety by automatically stopping energization to a cable run used in a construction site or the like when determining that energization to the cable r...  
JP2014157750A
To provide a circuit breaker that reduces an environmental load and ensures electrical safety by automatically stopping energization to a cable run used in a construction site or the like when determining that energization to the cable r...  
JP5574948B2  
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  
JP5519752B2  
JP5519811B2  
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  
JP2014511665A  
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...  
JP5484314B2  
JP5476060B2  
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 ...  
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...  
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  
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...  
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....  
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...  

Matches 401 - 450 out of 4,484