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Patent Searching and Data


Matches 401 - 450 out of 4,622

Document Document Title
WO/1993/022785A1
An improved miniature circuit breaker (1, 2) is adapted to improved automatic assembly of all components thereof. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis assembly. In par...  
WO/1993/022784A1
A miniature circuit breaker is provided which is adapted to improve automatic assembly of all components. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis assembly. In particular,...  
WO/1993/022786A1
An improved miniature circuit breaker (10) is provided which is adapted to improved automatic assembly of all components thereof. Key components of the breaker are individually and collectively designed to be susceptible to total Z-axis ...  
WO/1993/016479A1
Disclosed is a helically wound core of ferrous material (14) used as a differential current sensor core in the ground fault sensor of a ground fault interrupter circuit. The ferrous material comprises a single strand of wire which is wou...  
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...  
JPWO2014156945A1
比較的簡単な構成で電源ラインに属する端子 等の電気的接続部位におけるアーク発生の検 知及び小型化が可能なアーク発生検知装置及 び開閉器。アーク光検知部(91)は、...  
JP6075593B2  
JP6073420B2  
JP6065128B2  
JP6065253B2  
JP6061413B2  
JP6059842B1
[Subject] An admiration Earthquake breaker which a setup of seismic intensity and shake continuation time is performed, and can make easily a once set-up setting change of a seismic intensity preset value and a shake continuation time pr...  
JP6056014B2  
JP6051418B2  
JP6055640B2  
JP6049567B2  
JP6037229B2  
JP6036120B2  
JP6031686B2  
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...  
JP6027892B2  
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  

Matches 401 - 450 out of 4,622