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Patent Searching and Data


Matches 401 - 450 out of 4,575

Document Document Title
WO/1990/000807A1
An electromagnetic actuator (1) of the type of a relay, having an armature (2) polarized by a permanent magnet (5) and a movable drive element (6) attracted by the armature (2) against a spring means (8), incorporates an electric current...  
WO/1990/000805A1
A circuit breaker auxiliary device is housed in its own separate enclosed container (20) and is accessible by a drive pin (13) through an opening (18) in the container mounting surface (11). A drive pin (13) is inserted into an opening (...  
WO/1988/003324A1
A circuit breaker (10) having a movable upper blade (16) with a free floating pivot end (46). The operating mechanism (34) is solidly connected to the upper blade (16). The contact force is generated by a contact spring (44) which exerts...  
WO/1987/001237A1
An electric circuit breaker capable of being opened and closed from a remote location. The circuit breaker includes a stationary contact (14), a movable contact (16) mounted on a carrier (18) and a trip mechanism (40) that trips the circ...  
WO/1986/002197A1
A bimetallic trigger for a switch, for example a motor protection switch with a trigger bridge (10) and a differential bridge which can move in relation thereto, in which the ends of the bimetallic strips (17) lie between the two bridges...  
WO/1986/001936A1
In order to prevent an electrical tool, for example a hand-drill, a mowing machine or similar, from starting up again by itself after an interruption in the power supply or a line fault, owing to the fact that it has not been switched of...  
WO/1985/002724A1
New device for protecting human life and property against electrical shock and more specifically to a shock hazard prevention system for disconnecting an electrical load from an electrical source when a shock hazard condition exists with...  
WO/1983/003160A1
To protect the operator of an electrically supplied apparatus in a damp room against an electric discharge, there is provided a protection device comprised of a probe formed by two conductors (44, 45; 46, 47) which cannot come in contact...  
WO/1981/001092A1
The device allows the control of the output cut off elements, such as contactors breakers, protection switches of motors or similar, and apparatus or installations. The computer is connected, through an analog-digital converter, to at le...  
WO/1979/000127A1
Defect current protection switch, in which the conductors (5) are associated to a core (6) of which the magnetic induction flux actuates, in case of defect, a tripping device. When a magnetic field produced by the defect current is super...  
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...  
JP2016134385A
【課題】本発明は従来の電磁開閉器の問題点 であるバイメタルと機械式接点を使用するこ となく、電磁石、臨界温度素子及び電磁石制 御部を利用して電磁石を制御する電磁開...  
JP2016134274A
【課題】正常時には定常損失がゼロであり事 故発生時に高速に電流路を遮断できる回路遮 断器を実現する。【解決手段】回路遮断器1 は、第1の外部接続端子T1を有する第...  
JP5941967B2  
JPWO2014010040A1
【課題】小型で過電流による引き外し操作時 のバイメタルの温度を上げることができる熱 動電磁形の引き外し装置を備えた回路遮断器 を得る。【解決手段】3相電路を開閉す...  
JP2016111867A
[Subject] An unnecessary trip by incoming current is prevented without increasing amperage rating of a breaker. [Means for Solution] Breaker 1 is provided with the following. Circuit blocking section 11 which intercepts current which flo...  
JP2016100267A
[Subject] A current leakage detector circuit of an earth leakage breaker improved so that amount of used electricity of the short circuit detection time might be reduced and power saving and power-saving could be attained is provided mai...  
JP5922423B2  
JP5922426B2  
JP2016092881A
[Subject] It aims at simplifying composition which transmits information on a breaker. [Means for Solution] Switch circuit 16 provided between 3 line input terminal group 12 and 3 line output terminal group 14, It has radio unit 64 which...  
JP2016091620A
[Subject] A circuit breaker which can exhibit a display function of a display for indication is obtained without load current which flows into an exchange cable run tripping also in a field of a low current, and spoiling a function. [Mea...  
JP5911065B2  
JP5908300B2  
JP2016062802A
[Subject] Assembly cost is held down and a contact device, a tripping device, and a circuit breaker which can be made into a thin shape are provided. [Means for Solution] Fixed contact child 2 by whom contact device 100 is formed in circ...  
JP2016054165A
To provide a handle lock member for a circuit breaker capable of making a display means for a contact position visible from the outside and surely holding a handle lock state while securing easiness in attachment to and detachment from a...  
JP2016046063A
To obtain an earth leakage breaker capable of preventing failure of an incorporated power supply circuit, by interrupting the earth leakage breaker, even when an overvoltage is applied continuously to an AC electric path in the withstand...  
JP2016039089A
To prevent unnecessary trip due to an in-rush current, without increasing the rated current of a circuit breaker.A circuit breaker 1 includes an interrupting section 11 for interrupting power supply according to control, and a control se...  
JP2016039703A
To provide an electric leakage protection device and a power supply control device that can be commonly used for two or more types of AC power sources having different effective values in power supply voltage.In an electric leakage prote...  
JP2016035845A
To provide a breaker that can prevent erroneous connection of a circuit breaker unit which dissatisfies the rating current of a power supply wire while suppressing increase of the manufacturing cost.A breaker having circuit breaker units...  
JP5884826B2  
JP2016031893A
To provide an automatic recovery breaker for determining the propriety of automatic recovery by determining a cause of a breaker's trip such as short circuit after leakage and a lightning surge.An automatic recovery breaker comprises: (1...  
JP5871940B2  
JP5866993B2  
JP5870287B2  
JP5857268B2  
JP2016024963A
To alleviate a load by reducing heat loss in a power supply circuit of an earth leakage breaker, through the use of a half-wave rectifier as a power source for the earth leakage breaker.An earth leakage breaker according to the present i...  
JP2016021297A
To provide an earth leakage breaker having a wide applicable voltage range and reducing an electric leakage power-on operation time, without risk of excitation of a trip coil all the time even when a power source is reversely connected.A...  
JP2016021856A
To provide an electric leakage determination circuit for an electric leakage circuit breaker, configured to improve reliability of determining electric leakage.An electric leakage determination circuit for an electric leakage circuit bre...  
JP2016019313A
To provide a wiring accessory having higher usability.A wiring accessory 10 has an outlet portion 1, a leakage detection controller 2 and a contact mechanism portion 3. The outlet portion 1 has an insertion port 1c which is formed in the...  
JP2016018615A
To provide a wiring accessory having higher usability.A wiring accessory 10 has an outlet part 1 and an electric leakage detection controller 2. The outlet part 1 has an insertion port 1c which is provided in the surface 10aa of the outl...  
JP2016018616A
To provide a wiring accessory having higher reliability.A wiring accessory 10 has an outlet portion 1, a leakage current detection controller 2 and a fitting portion 5. The outlet portion 1 has an insertion port 1c which is formed in the...  
JP2016015289A
To provide an electromagnetic tripping device of an earth leakage breaker including a leakage display button with a small number of components.The electromagnetic tripping device of an earth leakage breaker includes: a trip lever 6 that ...  
JP2016500461A
The present invention relates to an interface which enables it to intercept electric supply about all the failure current Id of 300 mA or less, such as Id>=IPE+k. Ih. Inside IPE of a formula expresses current which returns to a power sup...  
JP5840706B2  
JP5837645B2  
JP5834184B2  
JP5833691B2  
JP5832254B2  
JP2015534801A
A control mechanism (6) constituted so that a small circuit breaker (2) of the present invention might open and close a removable point of contact (4) and a removable point of contact, A tripping mechanism (8) in which collaborate with a...  
JP2015207429A
To provide a breaker for a distribution panel that can omit a work of setting a rated voltage value, and a distribution panel using the same.A breaker 3 for a distribution panel has plural primary side terminals 31, a secondary side term...  

Matches 401 - 450 out of 4,575