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Patent Searching and Data


Matches 401 - 450 out of 4,599

Document Document Title
WO/1992/017044A1
There is provided an enclosure that encapsulates a current transformer (1) by utilizing snap together members (12, 14) while allowing for electrical coupling between the transformer and external wiring. Two housing members (9, 11) will s...  
WO/1992/015110A1
In order to be able to fit a protective switchgear designed to be tripped by differential current or undervoltage, or designed as a free-trip device, in a restricted space, e.g. inside an ordinary right-angle mains plug, the invention ca...  
WO/1992/006484A1
An accessory module (104) for use with a circuit breaker (10) is configured for mounting to the breaker, and has rotor system (142) which follows the movement of the circuit breaker blade (24) in the breaker by means of a coupling member...  
WO/1992/005569A1
A residual current circuit breaker (1) has a partition wall (3) which separates an over-current protection device (4) from a residual current detection circuit (5). A plunger rod (24) extends through a bore (23) in the armature (21) of a...  
WO/1992/002065A1
A plug-in ground fault interrupting type circuit breaker includes a resilient jaw (42) for engaging the neutral bar in a loadcenter. The jaw is formed at the end of a conductive strap (70) which passes through the window of a transformer...  
WO/1991/013454A1
A residuel current circuit breaker (1) has a partition wall (3) which separates an over-current protection device (4) from a residual current detection circuit (5). A plunger rod (24) extends through a bore (23) in the armature (21) of a...  
WO/1991/005358A1
A circuit breaker control system (24) includes a motor driven fork assembly (36), activated from a remote location, for simultaneously opening all of the breaker load contacts (54) and locking them in an open position. A DC voltage is se...  
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...  
JP2016195096A
[Subject] An electronic circuit breaker which can detect voltage is provided without using a transformer using a plurality of winding. [Means for Solution] Contact parts 15r-15t which open and close current of a cable run, and current de...  
JP2016189276A
[Subject] Prevent malfunction by an electromagnetic wave noise. [Means for Solution] Zero-phase-sequence current transformer 21 in which the main cable run ML (chief editor line L1D, ND, L2D) was inserted is connected to short circuit de...  
JP6019069B2  
JP6020236B2  
JP5978474B2  
JP2016152674A
[Subject] Even when failure of a special electric power system like a De tone arises, a reliable protection relay device which does not carry out erroneous detection of the disconnection of a fuse for VT is provided. [Means for Solution]...  
JP2016149377A
[Subject] In a case where a vessel body which constitutes an outline of an earth leakage breaker is shared with a molded case circuit breaker, A test button hole established in an earth leakage breaker and a short circuit display buttonh...  
JP2016149840A
[Subject] A breaker with a barrier property suitable for a cable to be used is provided. [Means for Solution] Molded case circuit breaker 1 of the present invention has a barrier property depending on classification of cable 31 used for ...  
JP5971584B2  
JP5965635B2  
JP2016134385A
[Subject] The present invention should provide an electromagnetic switch which controls an electromagnet using an electromagnet, a critical temperature element, and an electromagnet control part, without using bimetal and a mechanical po...  
JP2016134274A
[Subject] A circuit breaker which a regular loss is zero at the time of normal, and can intercept a current way at high speed at the time of the occurrence of an accident is realized. [Means for Solution] Circuit breaker 1 is provided wi...  
JP5941967B2  
JPWO2014010040A
[Subject] It is small and obtains a circuit breaker provided with a tripping device of thermomotive electromagnetism type which can raise temperature of bimetal at the time of tripping operation by an over-current. [Means for Solution] O...  
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
To simplify a configuration to transmit information on a breaker.A breaker comprises: a switch circuit 16 provided between a three-line input terminal group 12 and a three-line output terminal group 14; a current detector 58 for detectin...  
JP2016091620A
To provide a circuit breaker capable of presenting a display function of a display without impairing a tripping function even in a region where a load current flowing in an AC electric path is a low current.The circuit breaker comprises:...  
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  

Matches 401 - 450 out of 4,599