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Patent Searching and Data


Matches 401 - 450 out of 4,727

Document Document Title
WO/1996/016424A1
A fuse arrangement in a distribution fuse-board (10) including a fitting (20, 30) which is connected to the fuse-board and which accommodates a fuse holder (70) for connecting a fuse (100) in the fuse holder to a phase-conductor in the f...  
WO/1996/015460A1
A device for detecting low magnitude electrical currents comprises a generally toroidally-shaped member (10) of a magnetic material provided with an air gap (14) and a magneto-resistive device in the form of a bridge (16) disposed in the...  
WO/1996/009639A1
A differential current protective switch, a DI switch, which operates with a cumulative current transformer and a triggering device in a secondary circuit on the secondary winding of the cumulative current transformer, the conductors to ...  
WO/1996/003760A1
A current imbalance sensor comprising a toroidal core and output winding assembly (11) and a first electrical conductor (16) in the form of a tubular element of non-magnetic material extending co-axially through the toroidal assembly (11...  
WO/1996/003759A1
A module for use with the circuit breaker, the module being arranged to be mounted on an end of the circuit breaker and to monitor and/or control the circuit breaker and/or an electrical circuit control thereby in use. The module can be ...  
WO/1996/001488A1
A detent mechanism comprising a support member having a fixed seating member comprising opposite sides; a first spring for exerting a first spring force, disposed between one side of the fixed seating member and a first sliding member, f...  
WO/1996/001487A1
The invention provides a controllable detent or latch and release mechanism the stiffness of which can be altered by the application of for instance an electric field. The stiffness of the device overall is a combination of a mechanical ...  
WO/1996/001484A1
An electrical switching device arranged to display the status of said device on a flag significantly larger than the relative movements of any components of said device. In an envisaged embodiment of the invention, this is achieved by ar...  
WO/1996/001489A1
This invention relates to a push button residual current device wherein a single pusch button is used to perform setting and testing operations on the device. More specifically, over the first part of the down stroke of the push button a...  
WO/1995/032536A1
An integrated circuit breaker (16) is described having undervoltage trip capability along with automatic overcurrent protection. The undervoltage accessory (32) further provides auxiliary power to the trip unit (10) and allows the trip u...  
WO/1995/030234A1
A ground fault module is provided for protecting a circuit interrupter connected between the load and line terminals of a phase and neutral power line. The module includes a sensor for detecting a current imbalance between the phase and ...  
WO/1995/027301A1
A conducting spring (102) for exerting a biasing force against a test button (22) to open a circuit interrupter test circuit (84). The spring (102) includes a one-piece, elongated cantilever (104) having a first (106) and second (110) en...  
WO/1995/019630A1
A compact coil assembly (10) is provided for protecting electrical components from transient voltage surges. The assembly (10) includes a bobbin (12) having a cylindrical core (14) with two ends. A first and second flange (20, 22) are ea...  
WO/1995/012893A1
An overvoltage protection device (2) has a plurality of varistors (51) fitted in a housing, whose earth electrodes are electrically interconnected via a strip (58). The mains electrodes (53) of the varistors are connected to contacts (34...  
WO/1995/008832A1
A power switch has a pole unit (1) with a switch contact arrangement (3), an arc quenching device (4) and a flow channel (19). Switching gases from the arc quenching device (4) are taken into the flow channel (19) and, after cooling, tak...  
WO/1995/008179A1
A switching accessory is provided for use with motor starters. In a first embodiment the accessory may be utilized as a motor starter by-pass. In another embodiment the accessory may be utilized as a motor starter isolator. The switching...  
WO/1994/022158A1
A safety switch has an LS (line protection) and an FI (fault current protection) section. The switch lock of the LS section has a catch support lockable by a catch which, for tripping (in the event of an overcurrent), works with a bimeta...  
WO/1994/014178A1
A computer (11) having a hard disk drive includes a battery voltage monitor (U1) which establishes a shut down condition of the computer (11) if the supply voltage falls below a chosen level VL. Upon start up of the hard disk drive motor...  
WO/1994/008348A1
Described is a latch-locked vacuum-type circuit breaker (1) with two independently actuated magnets (12, 15). While the first magnet (12) is mounted, together with a locking lever (13), inside the drive-unit housing (2), the second magne...  
WO/1994/000862A1
A trip energy monitor for microprocessor-based trip units includes a Zener diode (CR1), a current-limiting resistor (R1), and an inverting buffer (INV1). The trip energy monitor provides a reference logic signal which is read by a microp...  
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...  
JP2018133254A
[Subject] Even if a big noise invades from a cable run, a short circuit detector circuit carries out wrong detection, and it provides an earth leakage breaker which does not carry out interception operation. [Means for Solution] IC-ized ...  
JP2018125992A
[Subject] A pattern which can cover a cause of re-energization interception is made to put together, and it aims at providing admiration Shield device and an admiration Seismic shield method of enabling clearly judgment of a cause that r...  
JP6369775B2  
JP6367218B2  
JP6362832B2  
JP6355217B2  
JP2018518006A
The present invention is an electricity distribution system (1) for connecting with an alternating-current-voltage network (4), and it has a USV power supply section (2) which performs current supply, without breaking off, and a USV powe...  
JP6351312B2  

Matches 401 - 450 out of 4,727