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WO/1998/048436 |
The invention relates to an electromagnetic switching device (1) having an electromagnetic driving device (3) that acts as an auxiliary magnetic system, with which, on occurrence of a short-circuit current, the contact force is increased...
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WO/1998/047164 |
Simplicity and reliability in a trip mechanism for an overload relay is achieved in a construction including a housing containing a bistable armature mounted on a pivot for movement between two stable positions. Fixed contacts are locate...
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WO/1998/040917 |
An electrically controlled actuator comprises at least two co-planar blades formed by a U-shaped pressing from a sheet of material. The end of one blade (60) is used as a mounting for the actuator and the end of the other blade (85) is u...
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WO/1998/038665 |
The inventive connecting element (1) has integrated locking notches (5) in the area of the engaging portions (2) inserted into suitably configured engaging grooves (8) of the individual contactors (6), whereupon said notches (5) lock int...
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WO/1998/038666 |
Electro-mechanical switching devices have at least one movable contact and one pertaining drive mechanism in the casing of an appliance. Means for contactless identification of switching status have already been disclosed, wherein magnet...
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WO/1998/035237 |
A system for testing an arcing fault detection system including a sensor (21a) coupled to the line conductor for monitoring the electrical signal and generating a sensor signal representing the electrical signal. The sensor simultaneousl...
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WO/1998/035370 |
A circuit breaker operating mechanism interacts with the circuit breaker movable contact arm by means of an electrically-insulative linkage. Tolerance adjustments are made within the linkage without requiring an additional electrically-i...
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WO/1998/035372 |
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 ...
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WO/1998/035419 |
The invention relates to a circuit breaker, which is in a fault situation arranged to disconnect an electrical apparatus, such as a distribution transformer, from an average voltage network or a high voltage network at each terminal. At ...
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WO/1998/034260 |
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...
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WO/1998/034259 |
The invention relates to a switching device, in which the torsional mechanism is realized in that the rotationally accommodated lever (15) of an articulated lever has a tooth segment (14) which engages with a tooth segment (13) of a hand...
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WO/1998/034257 |
The invention relates to a latching mechanism (1), characterized in that the intermediary lever (4) after release, springs back to its initial position, and in the released condition there is neither a working connection to the angle lev...
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WO/1998/034256 |
In accordance with the invention, the latching mechanism (1) of the switching device is fitted with a blocking device (10) having a blocking head (11), which is provided both with sliding surfaces (12) and blocking surfaces (13), so that...
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WO/1998/034258 |
The invention relates to a switching device with fast activation of the contacts, in order to reduce contact consumption, and thus extend the serviceable life. In accordance with the invention, the latching mechanism (1) of the switching...
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WO/1998/032144 |
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...
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WO/1998/028765 |
The invention relates to a knob connection for a multipolar switching device that is composed of single-pole switching devices, the single-polar switching devices of which have thermoplastic operating knobs, arranged juxtaposed and pivot...
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WO/1998/027633 |
A ground fault/rating plug (17B) for molded case circuit breakers is inserted within the circuit breaker cover (42) for electrical connection with the circuit breaker electronic trip unit. A rating resistor (51) within the ground fault/r...
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WO/1998/024162 |
Overcurrent protection systems which comprise a circuit interruption element (108) having a normal state which permits the flow of a normal circuit current, I normal, to pass through the system, and a fault state which permits the flow o...
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WO/1998/010455 |
A circuit breaker which is assembled by unitizing each part and inserting each unit into a molded case. A method by which the efficiency of the automatic assembly of the breaker is improved by inserting each unit into the molded case fro...
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WO/1998/010456 |
An overcurrent circuit breaker is housed in an approximately square housing (1) made of an insulating material and composed of two parts, a chassis (2) and a closure (3). A switching gear which guides the displacement of a contact bridge...
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WO/1998/002946 |
An overcurrent protection system which will give a rapid response to even relatively small overcurrents. A sensor element, e.g. a resistive element, and a circuit interruption element, e.g. a set of relay contacts, are placed in series w...
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WO/1998/002951 |
The electrical equipment comprises a fixed part (1) and a removable part (2) to be connected with the fixed part to be linked to a distribution network (4) and to a communication network (6). The removable part (2) comprises a communicat...
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WO/1998/002896 |
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 ...
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WO/1998/002897 |
A kinematic device for actuating the moving contact, particularly for automatic electric breakers, includes inside a box-like body, a motion lever (2) which is connected to a lever (10) for actuating the breaker and is pivoted to the box...
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WO/1998/001882 |
A circuit breaker operator handle apparatus, means and system for use with a circuit breaker assembly having a linearly movable actuator for actuating the circuit breaker assembly to at least an ON position and an OFF position. The circu...
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WO/1997/049110 |
A thermal deformation member (1) for electron tubes or current controllers composed of a multilayer body formed by stacking a high thermal expansion member (1) made of, for example, an Fe-Ni-Cr alloy, an intermediate member (4) made of o...
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WO/1997/048113 |
A switch arrangement (37) comprises a plunger device (21), a solenoid (40) and a body (39). The plunger device comprises a plunger insulator (22), a fixed plunger element (25), a movable plunger element (23), and an elastic means (26), w...
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WO/1997/045852 |
An electrical switching device (10) which includes a latchable contact carrier (14) carrying one or more electrical contacts (13) that can move between positions wherein an associated electrical circuit (11) is closed and open, an actuat...
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WO/1997/043810 |
A modular circuit breaker system consists of a base module and one or more specialised modules which fit together on a conventional mounting rail. Removable electrical conductors are provided which extend between contact points on the mo...
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WO/1997/043778 |
The present invention provides a circuit breaker having a terminal nut retainer for securely holding a nut in a fixed position adjacent and below a circuit breaker terminal. The circuit breaker is placed in a circuit by securing a source...
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WO/1997/038432 |
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...
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WO/1997/038431 |
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...
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WO/1997/038430 |
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...
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WO/1997/038471 |
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...
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WO/1997/037367 |
The present invention provides a circuit breaker assembly having a base, cover, and switch handle adapted to withstand an external force applied to a lever of the switch handle. During normal operation the handle rotates on small-diamete...
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WO/1997/035333 |
A circuit breaker having a small-sized handle arm (59), wherein a handle (62) is prevented from moving to the open circuit position when a movable contact (44a) and a stationary contact (43a) are fused. A toggle link mechanism (58) inclu...
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WO/1997/032329 |
The invention relates to an electrical safety switch which has a switching mechanism with a detent (8) and a detent support (4) with a locking projection (14) on which the detent (8) rests. The electrical safety switch also has a bimetal...
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WO/1997/030501 |
A system to detect arcing faults in an electrical distribution system with a line conductor connected to a utility power transformer. The system monitors the rate of change of electrical current in the line conductor and produces a signa...
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WO/1997/028546 |
A circuit breaker having a current transformer (CT) suitable for automatic fitting. The object of the invention is to provide a circuit breaker capable of improving productivity by making it easy to combine the CT with conductors. To acc...
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WO/1997/025730 |
The invention concerns a wiring component (11) with which a power switch (1) can be interconnected both with an alternating current contactor (2) as well as with a direct current contactor (3), even when the connecting strips (5, 8) of t...
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WO/1997/024746 |
The invention relates to an armature (10) for magnetic trigger mechanisms (1) for safety switches, in particular for automatic cut-out switches, which comprises a sheet-metal strip which is formed to produce a sleeve of circular-ring cro...
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WO/1997/023890 |
A circuit breaker includes a coil arrangement for actuating an armature to open the breaker. To prevent false tripping during high transient currents drawn by a load, the coil arrangement has first and second coils, electrically connecte...
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WO/1997/022986 |
A device for connecting an external conductor such as a cable to a contact of an electrical apparatus such as a circuit breaker is disclosed. The device includes as metal block (14) releasably fitted in a terminal compartment (2-5) at th...
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WO/1997/019459 |
The present invention relates to a device in a safety switch. The device (1) comprises a contact arm (2) and a latch (3) cooperating with the contact arm. The latch has an integrated spring portion (30). The invention also relates to a s...
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WO/1997/018571 |
All switching devices which have the purpose of protecting people or objects from the harmful effects of electric current include at least triggering elements which trigger the appropriate switching mechanisms whenever predetermined thre...
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WO/1997/018569 |
The actuator includes a parallelepiped housing (2) having bolted on end covers (4, 6) through which extends a non-magnetic plunger rod (8) biassed by a spring (12). The plunger rod (8) carries a soft iron sleeve moveable within an electr...
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WO/1997/017713 |
This invention provides a display unit for the tripping device. Since the prior tripping devices have not display units, a repairman can not judge the cause for the tripping while it occurs. The display unit provided by the invention inc...
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WO/1997/011475 |
A circuit breaker suitable for simplifying the constitution of a current detection means. The assignment to be solved by the invention is to provide a circuit breaker that can be easily assembled and mounted in a small space. The above a...
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WO/1997/011474 |
A device for controlling cut-off means on a power line (3), including contact means (12, 13) connected to two respective power line portions (3a, 3b), at least one (12) of said contact means being movable, and retaining means (10) for re...
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WO/1997/008725 |
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 ...
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