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Patent Searching and Data


Matches 351 - 400 out of 4,670

Document Document Title
WO/2000/019473A1
An electric circuit breaker (1) contains an electronic tripping unit (5) for processing a signal of a current sensor (4) and a rated current plug connector (11) which interacts with the tripping unit (5). According to the invention, a re...  
WO/2000/019474A1
The invention relates to an electric circuit breaker (1) which comprises an electronic overcurrent release (4) for processing a signal emitted by a current sensor (6). A flexible connecting lead (5) is provided to connect the current sen...  
WO1999063563A9
The invention concerns a compact electrical block consisting of two modular elements (D, P) attached along one of their side surfaces, and comprising fixing means maintaining them in contact with each other in said configuration thereby ...  
WO/2000/011696A1
Resettable circuit interrupting devices (10) having a reset lockout and an optional independent trip mechanism (50, 52, 54) are provided. The reset lockout prevents the resetting of the circuit breaker if the fault protection is non-oper...  
WO/1999/065046A1
The battery disconnector has a terminal conductor (10) for a vehicle electric system, whereby said conductor is connected to the positive terminal of the battery and leads directly to the vehicle electric system, in addition to a generat...  
WO/1999/065047A1
The battery master switch has a housing that can be placed on the positive terminal of the battery and a pole terminal (4) that can be jammed tightly onto the positive terminal inside the housing (1,2). A fixed disconnecting contact (8) ...  
WO/1999/063563A1
The invention concerns a compact electrical block consisting of two modular elements (D, P) attached along one of their side surfaces, and comprising fixing means maintaining them in contact with each other in said configuration thereby ...  
WO/1999/060596A1
The potential for an unreliable indication of a tripped overload relay is eliminated in a trip mechanism for an overload relay that includes a housing, and armature mounted in the housing for movement between two contact opening or closi...  
WO/1999/060594A1
Ease of assembly, inexpensive construction and improved reliability may be achieved in a trip mechanism for an overload relay including a housing (10) containing a bistable armature (18) mounted in the housing (10) on a pivot (16) for pi...  
WO/1999/053587A1
A leakage current interrupter (Fig. 23) comprising a trip mechanism (178) that operates automatically in response to the presence of a shock hazard condition. Actuation of the trip mechanism (178) automatically interrupts the flow of cur...  
WO/1999/049490A1
The invention relates to a circuit-breaker which is activated by rotation and which has a leading auxiliary switch. When the circuit-breaker is switched on, the auxiliary contacts of the auxiliary switch (4) are activated temporally befo...  
WO/1999/038184A1
The invention relates to a low-voltage power breaker with an auxiliary release or an auxiliary release module. Electrical connection of the auxiliary release is simplified by means of a plug-in connector device (10, 17) for direct connec...  
WO/1999/030340A1
The auxiliary switch (2) has a slide (5) with a gate (14) as an actuating element that engages with the reversing lever (13) acting upon the contact carrier (11). After a first actuation stage, in which the slide (5) pushes the contact c...  
WO/1999/030339A1
The invention relates to a switchgear unit comprising a switching device having a rotating drive (12) and a switch latch and a leading auxiliary switch (1) coupled thereto. The switching device has a gate guide (15) that cooperates with ...  
WO1999010902A3
A Positive Temperature Coefficient Resistivity (PTC) element has a resistivity that increases as the temperature increases. Circuit breakers having PTC elements can achieve better overload and short circuit protection than existing produ...  
WO/1999/010902A2
A Positive Temperature Coefficient Resistivity (PTC) element has a resistivity that increases as the temperature increases. Circuit breakers having PTC elements can achieve better overload and short circuit protection than existing produ...  
WO/1999/009573A1
A protective switchgear (1), in particular a fault-current protective switchgear, has a sensor circuit (2) for driving a first circuit-breaker (10) for a switch lock mechanism (12) which is coupled to a switching shaft (25) in order to a...  
WO/1998/053473A1
A kinematic system for actuating the movable contact of automatic electric breakers includes an actuation mechanism (5) which includes an external handle (9) which is pivoted to the body (3) of a breaker and is connected to the cross-mem...  
WO/1998/042001A1
A low-cost earth leakage circuit breaker which comprises a less number of parts and can be assembled easily. The earth leakage circuit breaker is highly reliable, has the same external size as those of the same class of wiring circuit br...  
WO/1998/035372A1
A lockout solenoid is connected with the circuit breaker accessory shunt trip in a high ampere rated circuit breaker and interacts with the circuit breaker accessory lever to prevent the closing of the circuit breaker contacts until the ...  
WO/1998/034260A1
The invention relates to a switching device with under-voltage auxiliary switch, characterized in that it enables combining low activating force with a simple structural design. This is achieved by close coupling between the activating e...  
WO/1998/033255A1
A protecting device has a disconnecting contact (13) connected to the load current line (2) and actuated by an electromagnetic system (9). A shunt circuit leads from the side of the disconnecting contact (13) opposite to the battery to a...  
WO/1998/032144A1
The load disconnecting switch is connected with a contact installation (14, 15, 36) between a pole terminal (4) and a main circuit (8). By means of a manually operated switch arm (45), the contact installation can be locked in the closed...  
WO/1998/027564A1
Each pole of a multi-pole circuit breaker is equipped to individually separate the circuit breaker contacts within each pole upon overcurrent occurrence. A digital processor within the circuit breaker trip unit determines the occurrence ...  
WO/1998/002896A1
A modular automatic electric breaker with optimization of used spaces, which comprises a flat box-like body (1) which has, on its rear face, couplers (2) for coupling to an omega-shaped guide and, on its front face, a central protrusion ...  
WO/1997/043779A1
A process is disclosed for adjusting thermal overload cut-outs. After bimetal strips (1) are synchronised and a release mechanism (3) is possibly pre-adjusted, a current is applied for a certain time to the bimetal strips (1), and the ac...  
WO/1997/038432A1
The present invention provides an accessory module for monitoring and controlling the status of a circuit breaker. The accessory module attaches to the side of a circuit breaker and has a mechanism similar to the mechanism in a circuit b...  
WO/1997/038431A1
The present invention provides an accessory module for monitoring and controlling the status of a circuit breaker. The accessory module attaches to the side of a circuit breaker and has a mechanism similar to the mechanism in a circuit b...  
WO1997023887A3  
WO/1997/023887A2
In a thermal triggering system (1) with bimetal strips (2), a slide (3), a switching component (5) to trigger a switching process and a differential lever (4) which is secured to the slide (3) and, when the latter is moved in the pushing...  
WO/1997/008725A1
Described is a power circuit-breaker (1) including current transformers (13) and an electronic tripping device (2) with a housing (5), the circuit-breaker also including a data store (14) for characteristic values of current-transformer ...  
WO/1996/033505A1
The invention concerns a current transformer (1) which comprises essentially a torus (2) with a magnetic core, primary windings formed by the active conductors of an electrical installation to be protected, and a secondary winding (3) at...  
WO/1996/028872A1
An electrical differential protection apparatus, particularly a circuit breaker or switch having a test circuit, is disclosed. The apparatus (A) comprises a release (1) with a differential current sensing transformer (12), a relay (16) f...  
WO/1996/020525A1
The electrical circuit breaker has a main line (terminals 41, 42) to be protected, a test circuit (terminals 43, 44), a test key (2) and an electrical signalling device (49). The electrical signalling device (49) is situated in the housi...  
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...  

Matches 351 - 400 out of 4,670