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WO/2022/072692A1 |
A device assembly capable of selectively bonding one or more tracer wires to ground and isolating the one or more tracer wires from ground is provided. The device assembly includes a housing, an electrical switch within the housing and o...
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WO/2022/062210A1 |
A static end assembly (80) and a disconnecting and earthing switch. The static end assembly (80) comprises: a static end support (81), a disconnecting static contact or earthing static contact (20) being mounted on the static end support...
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WO/2022/053255A1 |
The present invention relates to a low, medium or high voltage two or three position switch, comprising. a shaft (6); a sun cogwheel (5); at least one planetary cogwheel (4); and a cogwheel ring (7): The shaft is fixedly connected to the...
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WO/2022/044220A1 |
A draw-out type circuit breaker (100) comprises: a draw-out frame (F); a body (B); a body-side terminal (1); a draw-out frame-side terminal (4); and a junction (J). The body-side terminal (1) includes a body-side thick part (2), and a bo...
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WO/2022/006989A1 |
Disclosed is an emergency processing device for an electrified isolation switch. The emergency processing device comprises: a first connecting mechanism, which is used for being connected to an upper conductive arm of an isolation switch...
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WO/2022/006990A1 |
A three-phase linkage device of an isolation switch, and an isolation switch. The three-phase linkage device of an isolation switch comprises: a plurality of rotary insulator flanges separately arranged on all phases of the isolation swi...
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WO/2021/233921A1 |
The invention relates to a method for grounding electrical conductors in a region of a rail vehicle (100), which has a current collector (1) for contacting a high-voltage source (101) and an electrical conductor, electrically connected t...
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WO/2021/227487A1 |
Disclosed is a moving contact base body (5). The moving contact base body (5) is provided with two elongated holes (12, 13) arranged opposite each other, wherein the extending direction of the elongated holes (12, 13) is consistent with ...
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WO/2021/190855A1 |
The invention relates to an electrical short-circuiting device for medium and high voltage, comprising a tube a first contact and a second contact, which are mutually spaced apart in a disconnected position of the short-circuiting device...
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WO/2021/186553A1 |
Provided is a bearing holding device that can hold a bearing without increasing the number of components even with a sheet metal frame that is thinner than the thickness of the bearing in the axial direction thereof. A bearing holding ...
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WO/2021/182787A2 |
Disclosed are an arc extinguishing unit and an air circuit breaker comprising same. An arc extinguishing unit, according to an embodiment of the present invention, comprises an extinguishing magnet unit that forms a magnetic field inside...
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WO/2021/182789A2 |
Disclosed is an air circuit breaker. The air circuit breaker according to an embodiment of the present invention includes a CT magnet unit. The CT magnet unit is provided in the air circuit breaker to cover a movable contact point expose...
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WO/2021/182788A2 |
An air circuit breaker is disclosed. The air circuit breaker according to an embodiment of the present invention includes a cover magnet unit. The cover magnet unit is directly coupled to an upper cover which forms the outer appearance o...
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WO/2021/182786A1 |
An arc extinguishing unit and an air circuit breaker comprising same are disclosed. The arc extinguishing unit according to an embodiment of the present invention comprises an arc extinguishing magnet located above a grid. The arc exting...
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WO/2021/174746A1 |
A main knife protection device for an ultra-high voltage isolation switch comprises: a rotation prevention portion provided at a front end of an auxiliary moving contact; a position-limiting mechanism having a guide slot allowing the rot...
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WO/2021/175546A1 |
The present invention relates to a switching arrangement for medium voltage, having a load-break switch (1) having three switch positions for ON (40), OFF (41) and GROUND (42), wherein the switch position ON (40) switches a medium voltag...
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WO/2021/174545A1 |
Provided are a switch (200), a contact protection assembly (100) for a switch (200) and a manufacturing method thereof. The contact protection assembly (100) comprises a protection cover assembly (101) rotatably coupled to a moveable bla...
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WO/2021/170375A1 |
The present invention relates a switch for a medium voltage or high voltage switchgear. The switch comprises: a first fixed contact; a second fixed contact; a moveable contact; a first gear wheel; and a second gear wheel. In an on state ...
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WO/2021/155565A1 |
A disconnector(100) and a switchgear(200) are provided. The disconnector(100) comprises a contact assembly(107) operable to change a status of a circuit, the disconnector(100) arranged in the circuit; shafts(101,102) adapted to be driven...
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WO/2021/150708A1 |
A switch including a blade, an electrical terminal, and a inclinometer sensor. The blade is pivotable between an open position and a closed position. The electrical terminal is configured to receive the blade when in the closed blade pos...
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WO/2021/121196A1 |
A conductive box (5) and a scissor-type isolation switch. The conductive box comprises a housing and a transmission mechanism; the transmission mechanism comprises a power input shaft (11), a driving crank arm (15), connecting rods (18, ...
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WO/2021/126771A1 |
An in-line power disconnect assembly for electrical power distribution systems is provided. The in-line power disconnect assembly includes a first end section, a second end section, at least one insulator positioned between the first end...
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WO/2021/093253A1 |
A direct-insertion grounding switch contact that has buffering and guiding functions, comprising: a static contact mechanism, which comprises a conductive plate (100), a guide cover (200) and a grounding contact finger (300), wherein the...
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WO/2021/093986A1 |
A bypass switching assembly includes a source terminal configured for connection to an electrical source; a load terminal configured for connection to a load; a switch including: a first electrically conductive element, a second electric...
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WO/2021/073047A1 |
Disclosed is a high-parameter indoor high-voltage isolation switch, comprising a mounting base frame, a drive device, and at least one conductive unit, wherein each of the conductive units are turned on or off synchronously by means of t...
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WO/2021/046161A1 |
A hot stick installation accessory is provided. The accessory includes a main housing, a base, and a tool. The main housing has a holding region that holds an electrical component. The base can be removably secured to a body of the hot s...
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WO/2021/043548A1 |
The present invention relates to a switch assembly for an air-insulated high-voltage circuit breaker at least comprising a main switch and an auxiliary switch, the main switch comprising a single-column circuit breaker with at least one ...
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WO/2021/028138A1 |
The invention relates to an electrical switching device comprising a switching path (2) and a flow device having a control valve (13, 13a, 13b, 13c). By means of the flow device, a fluid can flow on the switching path (2). The control va...
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WO/2021/008168A1 |
An integrated intelligent isolating switch mechanism box, comprising a mechanism box housing, an output shaft, a coupling, as well as an execution unit, a control unit and function units provided in the mechanism box housing. According t...
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WO/2020/263311A1 |
The present invention is an Equipment Smart System which is applicable to a majority of non-smart portable equipment. It presents a universal control system which can be plugged into majority of non-smart portable equipment. It has multi...
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WO/2020/263291A1 |
A circuit breaker apparatus (200) has a housing (202), electrical power inlet (214), electrical power outlet, a main circuit breaker (210), a grounding switch (212), and a mechanical linkage (230). The main circuit breaker and the ground...
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WO/2020/263347A1 |
A circuit breaker apparatus (200) has a housing (202), electrical power inlet (214), electrical power outlet, a main circuit breaker (210), a grounding switch (212), and a mechanical linkage (230). The main circuit breaker and the ground...
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WO/2020/252832A1 |
The present invention relates to a dual-energy storage operation mechanism for an isolating switch. In the present invention, a first energy storage mechanism and a second energy storage mechanism are respectively provided between an inp...
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WO/2020/254165A1 |
The present invention relates to a three-position disconnector switch, comprising: an earthing contact (1), a power out contact (2), a power in contact (3), a piston (4), and a threaded rod (5). A length of the piston is such that in a f...
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WO/2020/247660A1 |
A support, for a high-voltage electric switch includes a housing, a shaft, and an intermediate member positioned between the housing and the shaft. The shaft extends at least partially through the housing, and the shaft is supported for ...
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WO/2020/244729A1 |
The invention relates to a switching device (1) for an open-air switchgear. The switching device (1) comprises a stationary electrically conductive first contact element (11) and an interrupter unit (15), on which an electrically conduct...
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WO/2020/234972A1 |
This release-type electromagnetic tripping device (1) is provided with a frame (10), a lever (20), a first latch (30), a reset button unit (40), a second latch (50), and an electromagnetic solenoid (60). The lever (20) is biased in the d...
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WO/2020/234463A1 |
Disclosed is a three-position switch used for high-voltage electric power equipment. The three-position switch used for high-voltage electric power equipment is provided with three sub switches which correspond to three phases, wherein e...
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WO/2020/223884A1 |
Embodiments of the present disclosure provide a earthing switch for a switchgear. The earthing switch comprises a plurality of fixed contacts arranged in a plurality of phases of the switchgear; and a plurality of movable contacts operab...
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WO/2020/214591A1 |
A guiding pull ring member for guiding a unit top contact in a switch assembly into a mounting contact. The guide ring member includes a mounting ring defined in a first plane, a grasping ring coupled to one side of the mounting ring and...
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WO/2020/209509A1 |
In the present invention, at least one thermoelectric module is provided in a switchboard busbar to which input and output terminals of a cradle are connected, and an air circuit breaker is cooled using the thermoelectric module so as to...
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WO/2020/207564A1 |
A disconnector device (110) is connectable to pole-mounted equipment (120) in a power grid. The disconnector device is activated in case of an overload condition, thereby disconnecting the pole-mounted equipment (120). The disconnector d...
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WO/2020/204388A1 |
An arc-extinguishing unit structure for a direct current air circuit breaker according to one embodiment of the present invention comprises: a plurality of grids; side plates coupled to both sides of the plurality of grids so that the pl...
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WO/2020/200864A1 |
The invention relates to a switch installation, particularly for medium and/or high voltages, comprising an optimised three-position switch, and to an optimised three-position switch, wherein the three-position switch (5) comprises a mai...
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WO/2020/204387A1 |
An arc extinction apparatus according to an embodiment of the present invention comprises a chamber unit, a division unit, a filter unit, and a cover unit. A discharge port is formed in the chamber unit such that a fluid in the chamber u...
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WO/2020/181898A1 |
An isolation switch and a conductive base thereof, which relate to the technical field of high-voltage switch devices, and which may solve the problems in the prior art wherein conductive bases are high-cost and a heat dissipation effect...
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WO/2020/169582A1 |
The present invention relates to an earthing module (1) for a switchgear. The earthing module comprises a cylinder (10), a piston (20), a stored energy unit (40), and at least one photovoltaic cell (50). The cylinder is configured to con...
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WO/2020/161536A1 |
The invention relates to a switchgear with a contact assembly for performing a switching operation. The contact assembly comprises a main contact with a first and a second set of contact fingers. The contact assembly further comprises a ...
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WO/2020/148384A1 |
Embodiments of the disclosure can include an inertial short-circuit and seismic hook for an electrical equipment disconnect switch.
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WO/2020/149485A1 |
A safety shutter of the present invention comprises: a base unit; a shutter unit; and a cam unit. The base unit is coupled to a cradle of an air circuit breaker, and a terminal connected to a main circuit passes through the base unit. Th...
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