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Matches 1 - 50 out of 875

Document Document Title
WO/2017/095672A1
A slot motor (100,200,300) is for an electrical switching apparatus (2). The slot motor includes a support apparatus including a support element (102) having a first leg (104,204) and a second leg (106,206) located opposite the first leg...  
WO/2016/193042A1
The invention specifies a circuit breaker (1) which comprises a housing (2), a switching shaft (7) which is rotatably mounted in the housing (2), and also a contact arm (8) which is rotatably mounted in the switching shaft (7) and has a ...  
WO/2016/193283A1
Current interrupter (1) with a current input (19), which conducts an electrical current (I) by way of a wound coil-conductor strip (4) of a first coil (12) to a first fixed contact (2), and with a contact rocker (10), which is movable be...  
WO/2015/181090A1
The invention relates to a circuit-breaker (1) which comprises a housing (2), a switching shaft (7) mounted so as to rotate therein, and a contact arm (8) that is rotatably mounted in said switching shaft (7). A bearing device (12, 23) i...  
WO/2015/110156A1
An electromagnetic circuit breaker (1) comprising fixed contacts (11), moveable contact bridges (13) arranged to electrically connect the fixed contacts(11), a magnetic core (3), a coil (4) electrically connected to the fixed contacts (1...  
WO/2015/022194A1
The invention relates to the modification of a device having a simple structure for transmission of forces on a moving contact connecting bolt (7) of a contact system consisting of a moving contact and a further contact of a switching un...  
WO/2014/147107A1
The invention relates to an electric switching device (1 ), such as a relay, comprising a first (2) and second terminal (4), a contact sub-assembly (6) having at least two contact members (8, 10) and configured to be moved from a connect...  
WO/2014/137450A1
A two-piece slot motor housing assembly (90) is provided. The slot motor housing assembly (90) includes a first J-shaped body (92) having a lower, first end (100) and a second, J-shaped body (94) having a lower, first end (110). The firs...  
WO/2014/086378A1
The invention concerns an interface for cutting off the power supply for any fault current Id ≤ 300 milliamperes such that: Id≥ IPE + k.Ih where IPE represents the current returning to the power source via the protective conductor co...  
WO/2014/044739A1
The contact systems of circuit breakers for at least one pole are equipped with a movable contact in the form of a contact arm. The contact arm is biased by a contact force spring in order to generate a contact pressure in the closed pos...  
WO/2014/006125A1
The present invention relates to a switching device (1) for opening and closing a load circuit, in particular in an electric vehicle, having at least one switch contact (4a) which can be moved from an open position (A) into a closed posi...  
WO/2013/130035A1
A slot motor apparatus for a circuit breaker is disclosed. The slot motor has first and second legs connected by a thin web, and an extending portion extending rearward from the rear faces of the legs. Slot motor - arc plate assemblies h...  
WO/2013/121159A1
The invention relates to an electrical line-protecting device of the circuit breaker type, comprising a circuit-breaking part and a triggering part that triggers the breakage of the circuit in the case of an overload or a short-circuit o...  
WO/2013/085578A1
An electrical switching apparatus (2;50) includes separable contacts (10), an operating mechanism (16) structured to open and close the separable contacts, and a trip mechanism (14) cooperating with the operating mechanism to trip open t...  
WO/2012/146573A1
The invention relates to an overload safety device (1) for protecting electrical and/or electronic components from operating currents (lb) which are above a threshold operating current. In order to ensure that the overload safety device ...  
WO/2012/142564A2
A circuit interrupter has a first contact, a second contact, and a trip arm which moves the second contact between a closed position where the second contact is touching the first contact and an open position in which the second contact ...  
WO/2012/142578A2
A plumbing assembly is included with an associated hot water source and cold water source. The plumbing assembly includes a housing defining a cylindrical bore, a tub spout assembly mounted in said housing, a dual mode mixing cartridge m...  
WO/2012/094133A1
A device for transferring motion from a manual lever to a reset lever of a pressure trip mechanism in a molded case circuit breaker. The pressure trip mechanism is activated when hot gasses are released during an arc event and the result...  
WO/2012/072599A1
The invention relates to a contact apparatus of an electrical switching device, in which contact apparatus the electrodynamic effect of flows which flow in parallel is used, in particular, for electrodynamic contact separation. In this c...  
WO/2012/028383A1
The invention relates to an electric circuit breaker (1), with connecting elements (3) for the connection to an electrical circuit and at least one contact arrangement (2) for interrupting the electrical circuit, the contact arrangement ...  
WO/2012/025302A1
The invention relates inter alia to an electrical switch having at least one switching unit (100) which comprises: a contact lever (20) which is pivotable about a pivot axis having at least one electrical switch contact (30, 31) and two ...  
WO/2011/154380A1
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...  
WO/2011/110296A1
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...  
WO/2011/097612A1
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 ...  
WO/2011/047428A1
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...  
WO/2010/130414A1
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...  
WO/2010/010061A1
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 ...  
WO/2009/035638A1
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...  
WO/2008/107431A3
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...  
WO/2008/107431A2
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...  
WO/2008/090398A1
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...  
WO/2008/064494A1
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...  
WO/2007/137180A3
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...  
WO/2007/116311A1
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 ...  
WO/2007/111395A1
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...  
WO/2007/098943A1
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...  
WO2006075232A9
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 ...  
WO/2007/088080A1
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...  
WO/2007/036282A1
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 (...  
WO/2007/012569A1
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...  
WO/2006/075232A3
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 ...  
WO/2006/075232A2
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 ...  
WO/2006/053619A1
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...  
WO2005006375A3
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...  
WO/2005/059941A1
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...  
WO/2005/034162A1
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...  
WO/2005/031779A1
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...  
WO/2005/029526A1
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...  
WO/2005/006375A2
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...  
WO/2005/006373A1
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...  

Matches 1 - 50 out of 875