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WO/2011/154380 |
The invention relates to a switch (1) suitable for DC applications comprising two fixed conductive contacts (2) with first contact areas (21, 22), a movable conductive bridge (3) with two second contact areas (31, 32) for being connected...
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WO/2011/110296 |
An improved rotary switch (e.g. a double pole double break switch) includes first and second poles (2, 4). Each pole including a rotatable bridging member (24) and a pair of fixed busbars (6a, 6b; 8a, 8b). Each busbar has at least one pr...
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WO/2011/097612 |
Embodiments provide an electrical contact assembly (100). The electrical contact assembly includes a crossbar (102), a pivot pin (104) mounted in the crossbar, a contact arm (106) pivotally mounted on the pivot pin and rotatable about a ...
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WO/2011/047428 |
A remote isolation system (10) for isolating an energy source from selected equipment (20) energisable by the energy source and controlled by a control system, wherein the system (10) includes a remote isolation station (12) for the sele...
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WO/2010/130414 |
The invention is about an electromagnetic trip device (1) for a circuit breaker, with a current path comprising a conductor (13) guiding an electric current through at least one contact point (2, 3) formed between a fixed and a movable c...
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WO/2010/010061 |
A trigger is provided for switch closing of a dynamic switch that opens under current flow, said trigger being based on a measurement of the current flowing through the switch during burning of an arc. The voltage of the arc is measured ...
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WO/2009/035638 |
The present invention relates generally to a mechanism of a contact system for circuit breakers. More particularly, the invention encompasses a mechanism for a rotary double-break contact system, which enables a direct transfer of torque...
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WO/2008/107431 |
The invention relates to a contact lever-moving device for moving at least one contact lever of a circuit breaker for closing a contact and creating a contact gap when a certain contact-removing force is exceeded. Said contact lever-movi...
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WO/2008/107431 |
The invention relates to a contact lever-moving device for moving at least one contact lever of a circuit breaker for closing a contact and creating a contact gap when a certain contact-removing force is exceeded. Said contact lever-movi...
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WO/2008/090398 |
This invention uses the concept of a double-breaking contact system with a rotating contact arm. A novel arrangement of fixed conductors that cross over the contact arm is presented. A double-breaking contact system for a low voltage cir...
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WO/2008/064494 |
Liquid metal current switch (1) for current limiting and/or circuit breaking, comprising a liquid metal (12, 22) and at least one channel (11a, 11b; 21a) for the liquid metal (12, 22), wherein the liquid metal (12, 22) is moveable betwee...
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WO/2007/137180 |
The present invention relates to a family of resettable circuit interrupting devices that eliminates the need to rewire a resettable circuit interrupting device after it is installed and powered up to correct for a reverse wiring conditi...
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WO/2007/116311 |
A circuit breaker includes fixed and movable contacts, an operating mechanism including a movable arm carrying the movable contact, an arc chute including a plurality of spaced apart first and second arc plates, and a slot motor. A slot ...
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WO/2007/111395 |
Provided is a circuit breaker, in which the breaking and resetting operations of a contact point unit can be automatically performed by a detecting/breaking unit and a breaking resetting unit. Therefore, the circuit breaker is easy to us...
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WO/2007/098943 |
The invention relates to a switching shaft unit for an electrical contact system for use in at least one single-pole low-voltage breaker with an insulating-material housing, wherein the switching shaft unit comprises a single-interruptin...
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WO/2007/088080 |
The aim of the invention is to allow a contact system (1) with at least two contacts (3, 5) to be reliably opened. For this purpose, the contact system (1) for electrical switchgear comprises a first contact (3), arranged on a first cont...
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WO/2007/036282 |
The invention proposes an electrical switching device, comprising a contact lever (13), which is mounted approximately centrally such that it can rotate, wherein a movable contact piece (12) is arranged at the free end of the first arm (...
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WO/2007/012569 |
The invention relates to a selective main line breaker switch, in which a subsidiary current path branches off from a main current path at a first node point (KN1) after a switch and returns to the main current path at a second node poin...
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WO/2006/075232 |
A moving contact assembly for high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer carrier by a spring biased cam follower pin ...
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WO/2006/075232 |
A moving contact assembly for high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer carrier by a spring biased cam follower pin ...
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WO/2006/053619 |
This invention pertains to an automatic single- or multi-pole circuit breaker (1) for use in lowvoltage applications. The circuit breaker (1) includes at least a first fixed contact (10) that is coupled/uncoupled with a first moving cont...
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WO/2005/059941 |
The invention relates to an electrodynamically tilting contact system for power circuit breakers, whereby an actuating shaft segment (14), a rotary contact bridge (6) pivotally mounted therein and contact force springs (24) form componen...
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WO/2005/034162 |
Disclosed is a power switch comprising a current path, in addition to at least one moving contact and at least one fixed contact. The current path is guided between the moving contact and the fixed contact in the form of a narrow loop. A...
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WO/2005/031779 |
The invention relates to a drivetrain, for at least one moving contact (6) in an electrical switch (1), comprising a switch shaft (9), a first coupling module, coupling the switch shaft to a drive (19) and at least one second coupling mo...
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WO/2005/029526 |
The invention relates to an electrical switch (1) comprising a moving contact (6), which, via a drive train (8, 9, 14), can be transferred against the force of a contact force spring (7) out of an OFF position and into an ON position, an...
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WO/2005/006375 |
The invention relates to a current limiting method, a current limiting device (1), and a switchgear comprising such a device (1). According to the invention, liquid metal (3) is directed along a resistor element (5) for the current limit...
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WO/2005/006373 |
The invention relates to a method and a device (1) for combined current limitation and power breaking and to a switchgear having said device (1). In a combined current limiter/power braker (1) according to the invention, a movable electr...
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WO/2003/102991 |
The invention relates to a protection device against overvoltages, comprising a fixed electrode (12) and a movable electrode (22), arranged facing an arc extinguishing chamber (54). The movable electrode (22) is operated by an electromec...
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WO/2003/052784 |
A current-limiting low-voltage circuit breaker comprising a contact system which is latched by a switch latch, said contact system being provided with at least one movable switch contact (4) for each phase, said contact being able to be ...
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WO/2003/041106 |
A low-voltage circuit breaker, comprising: - at least one first fixed contact, which is electrically connected to a terminal for connection to an electric circuit; - a rotating moving contact, which comprises a central body from which at...
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WO/2003/041105 |
A low-voltage circuit breaker, comprising: a rotating contact supporting shaft, is provided with a seat that accomodates the central body of a moving contact so that the first arm protrudes externally from the seat, at least one first sp...
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WO/2003/015115 |
The invention relates to a self-recovering current-limiting device (10) with liquid metal. Electrodes are arranged in the region of the base of the chamber and one or several insulating separating walls are arranged between the electrode...
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WO/2003/012812 |
A Circuit breaker comprising: a case (1); terminals (2,3) for connection to an electric circuit; separable contact means (4,5); an actuating knob (6) which rotates about a first pivot (7) that is rigidly coupled to the case (1) between a...
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WO/2002/054431 |
An automatic current limiting circuit breaker, which comprises an insulating enclosure that accommodates fixed contact means and movable contact means, actuation means for actuating the movable contact means between open-circuit conditio...
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WO/2002/041345 |
The invention relates to a contact arrangement for current-limiting protective circuit breakers for use in the low voltage range, especially for current-limiting power circuit breakers. The aim of the invention is to simplify a contact a...
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WO/2002/041347 |
The invention relates to a contact arrangement for current-limiting protective circuit breakers for use in the low voltage range, especially for current-limiting power circuit breakers. According to the invention, a rotary contact bridge...
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WO/2002/041346 |
The invention relates to a contact arrangement for current-limiting protective circuit breakers for use in the low voltage range, especially for current-limiting power circuit breakers. The aim of the invention is to achieve a more favor...
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WO/2002/035570 |
The invention relates to a low-voltage power circuit breaker (1) comprising a current-limiting opening of a mobile switching contact (8). The force-transmitting connection between the actuating shaft lever (12) and the mobile switching c...
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WO/2002/035571 |
A circuit breaker with a line terminal (12) and load terminal (14), having an operating mechanism with a main, movable contact arm (30) coupled to a load terminal and an auxiliary contact apparatus (40) coupled in series with the main mo...
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WO/2002/027743 |
The invention relates to a drivetrain for a moving contact (2), associated with a second contact (11) and provided with a pivoting drive lever (4), a pivotably mounted contact support (6), for the moving contact (2), and a coupling sub-a...
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WO/2001/084579 |
The invention relates to a magnetic release for opening a contact system, containing a coil winding (21) connected in series with the contact system (10) and a magnet armature (22) surrounded by the coil winding, which is magnetically im...
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WO/2001/071742 |
A circuit breaker cassette (10) comprises a housing (14) having a fixed contact (24), and a movable contact (26) on a contact arm (30). The contact arm (30) is positionable in a closed position and an open position, wherein the contact a...
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WO/2001/069637 |
The invention relates to a tripping device for a circuit-breaker comprising contacts that are located in a housing (50) and that can be disconnected by the actuation of a tripping shaft (2) of an interrupting device (40). Said tripping d...
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WO/2001/069638 |
A circuit breaker assembly (10) includes first and second rotary contact assemblies (12) mountable to a base member, a circuit breaker operating mechanism (13) mounted to the first rotary contact assembly (12), and a trip bar (54) in mec...
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WO/2001/016989 |
A circuit interrupter including a housing, separable main contacts within the housing and rotatable between a contact open position and a contact closed position, and an operating mechanism within the housing and interconnected with the ...
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WO/2001/016985 |
A circuit interrupter including a housing, separable main contacts disposed in the housing, and an operating mechanism disposed in the housing and interconnected with the contacts. The operating mechanism includes a cradle for moving fro...
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WO/2001/016988 |
A circuit interrupter handle mechanism is disposed on the face of a molded case circuit breaker. The handle mechanism has a rotary handle, which may be rotated through approximately 90° of rotation from a disposition of circuit interrup...
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WO/2001/016984 |
A circuit interrupter with an accessory case socket into which an accessory bell alarm member is disposed. A two-piece lever arrangement is provided in the bell alarm accessory case between the micro-switch button thereof and the operati...
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WO/2001/006530 |
The invention relates to a displaceable contact (10), especially for a circuit-breaker which is rotatably mounted with a rotor in a concentric manner, which connects two fixed contacts to one another when in a closed position, and which ...
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WO/2000/041202 |
A current limiter having an excellent current-limiting function and produced at low cost and a circuit breaker comprising the same and having a small impedance are provided so as to prevent the case from being damaged because of an unwan...
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