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Patent Searching and Data


Matches 401 - 450 out of 4,537

Document Document Title
WO/1979/000105A1
The lead (8) of a working current is associated to a core (3) of which the magnetic induction flux causes, in case of leakage of current, the operation of a circuit-breaker. In this case, an armature (4) of the breaker drops because of t...  
JP5840706B2  
JP5837645B2  
JP5834184B2  
JP5833691B2  
JP5832254B2  
JP2015534801A
本発明の小型回路遮断器(2)は、接離可能 接点(4)と、接離可能接点を開閉するよう に構成された制御機構(6)と、制御機構と 協働して接離可能接点を外して開放する...  
JP2015207429A
【課題】定格電圧値の設定作業を省くことが できる分電盤用ブレーカ及びそれを用いた分 電盤を提供する。【解決手段】分電盤用ブレ ーカ3は、複数の一次側端子31と、外...  
JP2015207432A
【課題】零相変流器用接点の接触信頼性を向 上させることができる回路遮断器を提供する 。【解決手段】回路遮断器は、プラグイン端 子と負荷側端子板との間を接続する電路...  
JP5817316B2  
JP2015185215A
To solve such a problem that a zero-phase current transformer floats to the cover side, due to deflection and twist occurring when a power line, arranged while penetrating the zero-phase current transformer, is built in a base, and worka...  
JP5793132B2  
JP5788713B2  
JP2015176755A
To provide a seismoscopic plug device not requiring construction by a qualified personnel, and including a function equivalent to that of a seismoscopic relay.A seismoscopic plug device includes three terminals 1a, 1b, 1c for connection ...  
JP2015173026A
To provide a circuit breaker with a leakage alarm, in which power consumption can be reduced and heating element can be made compact.A circuit breaker with a leakage alarm has a zero-phase current transformer 2 interposed in a cable way ...  
JP2015170587A
To provide an outlet insertion seismoscope which can interrupt a main breaker after detecting earthquake by simply inserting into an outlet tap, and can block interruption of a main breaker when a fact that a structure is not damaged can...  
JP2015170427A
To provide an earth leakage circuit breaker capable of applying a component with small driving current and heat output to a leakage detection circuit.An earth leakage circuit breaker comprises: a switching contact 2 which opens and close...  
JP2015526837A
メインエネルギー監視モジュールに状態およ び故障の情報を無線で通信する遮断器(例え ばミニチュアサーキットブレーカ)。無線遮 断器は、ニュートラル導線との接続を必...  
JP2015162401A
To protect an electric wire by which one phase out of phases whose power supply and load are connected to an electric circuit of the smaller number of phases than the number of poles and the phase not to be connected are interrupted by i...  
JP5768741B2  
JP2015153485A
To provide an insertion type connection unit having a function for checking whether a normally-operable wiring state is secured for a plug socket to which the insertion type connection unit is connected.An insertion type connection unit ...  
JP3199168U
【課題】所定強度以上の揺れを検知して感震 ブレーカーが作動し、かつ、一次側の無電圧 を検知して無電圧ブレーカーが作動した場合 のみ、一次側と二次側を遮断することに...  
JP2015130345A
To provide an earth leakage circuit breaker capable of determining an earth leakage signal applied thereto with high accuracy, capable of precisely determining whether to perform trip operation with respect to an earth leakage signal app...  
JP5745180B2  
JP2015122203A
To provide a circuit breaker which is hardly affected by electromagnetic wave noise regardless of the length of wiring.A processing circuit 4 is electrically connected to one end of a current transformer 3 via first wiring 71 and is elec...  
JP5731902B2  
JP2015103411A
To provide an earth leakage breaker capable of reducing the number of components and facilitating an assembly work.An earth leakage breaker comprises: a housing configured by a base body and a cover body; a fixed contactor having a fixed...  
JP5727489B2  
JP2015095323A
To provide a leakage current detection device for a leakage circuit breaker that is improved to improve a detection function of a leakage current and reliability of operational characteristics.The leakage current detection device for the...  
JP3196943U
【課題】既存のブレーカの大きさや構造を改 変することなく、地震による揺れを感知して 一次側からの電源供給を遮断する機能を付与 することができるブレーカを提供する。...  
JP5695158B2  
JP2015053197A
To obtain an earth leakage breaker which allows deformation of the terminal of a zero-phase current transformer when connecting the terminal of a zero-phase current transformer for leakage detection and a leakage detection unit, while su...  
JP2015041493A
To obtain a small and inexpensive configuration of excellent operability and low current consumption, with a function for leaving the electric leakage operation records in the breaker body even after reset operation of leakage alarm outp...  
JP2015041497A
To provide a ground fault interrupter comprising a test function capable of confirming whether a ground fault detection function is normal, without interrupting an AC electric circuit.The ground fault interrupter comprises: a ground faul...  
JP2015042043A
To provide an overvoltage protection circuit that can detect and interrupt an input of overvoltage without using any overvoltage-detection-function-enabled leakage breaker integrally having a leakage detection/interruption function and a...  
JP2015032420A
To provide a measurement device having a transmission device capable of securing simultaneity of data without additional message for data latching.An earth leakage breaker comprises: a zero-phase current transformer 3 using an AC cable w...  
JP2015032540A
To commonly use an opening/closing mechanism for a circuit breaker and an earth leakage detection unit.In a circuit breaker formed so as to mount an earth leakage detection unit to the side face of a molded-case circuit breaker includes ...  
JP5669100B2  
JP2015018809A
To provide an inexpensive and easy-to-mount device for detecting recovery of a circuit breaker.A circuit breaker 10 comprises: a movable contact that can move between an opening position at which a movable contact 14 and a stationary con...  
JP5656291B2  
JP5655720B2  
JP2015011780A
To provide a circuit breaker unit capable of adding a function of a circuit breaker to a wiring device even when employing a general-purpose unit of wiring device as it is, and to provide a wiring device provided with the circuit breaker...  
JP2015002012A
To provide a circuit breaker capable of preventing conduction failure or fixing between a movable contact and a fixed contact.A sliding part includes a movable link 50 rotated with a holder member 101 in the same direction, and a fixing ...  
JP2014236004A
To provide a detection circuit for a circuit breaker capable of detecting a voltage or a current of a circuit with accuracy even when a noise is included in a voltage detection signal or a current detection signal.A detection circuit for...  
JP2014229454A
To provide a test button incorrect operation prevention cover of an earth leakage circuit breaker, which prevents a person from operating a test button disposed in an earth leakage circuit breaker by mistake, and to provide an earth leak...  
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...  
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...  

Matches 401 - 450 out of 4,537