Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
11/2002
11/06/2002CN1378696A 真空接触器 Vacuum contactor
11/06/2002CN1378695A Drive for pole module of circuit breaker
11/05/2002US6476366 Device for degassing and brazing preassembled vacuum interrupters using inductive heating
11/05/2002US6476338 Vacuum switch
10/2002
10/31/2002WO2002087039A1 Travelling mechanism for a withdrawable circuit-breaker
10/31/2002WO2002086926A1 Latching mechanism for locking a spring energy store
10/31/2002DE10120447A1 Electric switch comprises an insulating component whose open end is closed by means of a sealing element which is pressed against or glued to the inner surface of the insulating component
10/30/2002EP1252693A1 Multi-pole low voltage circuit breaker with one current measuring device per line
10/30/2002CN1377109A 真空断路器 Vacuum Circuit Breaker
10/29/2002US6472629 Puffer switch having a two-volume break chamber
10/29/2002US6472628 Circuit-breaker including a moving assembly contained inside a casing filled with a dielectric gas under pressure
10/29/2002US6472627 Vacuum circuit breaker
10/24/2002WO2002084688A1 Method for operating a switch with a connectable current limiter and corresponding arrangement
10/24/2002US20020153353 Vacuum valve
10/23/2002EP1251539A1 Vacuum valve
10/23/2002CN2518207Y Multi-group circulating switch for high voltage capacitor
10/23/2002CN2518202Y Protector for preventing earth lead from switched
10/23/2002CN1093329C Interlocking plug-in box for bus bar
10/17/2002WO2002082606A1 Single phase or polyphase switchgear in an enveloping housing
10/17/2002WO2002082482A1 Switching arrangement for low-voltage circuit breakers
10/17/2002US20020149372 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof
10/17/2002DE10117844A1 Schaltungsanordnung für Niederspannungs-Leistungsschalter Circuit arrangement for low-voltage circuit breakers
10/17/2002DE10116894A1 Current limiting contact device for mechanically-operated electric switch, uses contact elements loosely packed together in housing with assisted contact pressure between them
10/17/2002CA2443803A1 Single phase or polyphase switchgear in an enveloping housing
10/16/2002EP1249850A2 Insulating housing, in particular for vacuumswitch, with a support for positioning a control electrode
10/16/2002EP1249848A2 Electric contact and manufacturing method thereof
10/16/2002CN2517095Y Operating mechanism of circuit breaker and driving device for arc-chutes
10/16/2002CN1374676A Electromagnetic actuator and switch
10/15/2002US6466420 High voltage disconnector having a moving contact that is moved at high speed
10/15/2002CA2150198C Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 hz and 60 hz power systems
10/10/2002WO2002080212A1 Blowing system for short-circuit switches
10/10/2002US20020145340 Protecting device
10/10/2002US20020144977 Electrode of a vacuum valve, a producing method thereof, a vacuum valve, a vacuum circuit-breaker and a contact point of the electrode
10/10/2002DE10117092A1 Betätigungsmittel zum Betätigen von Schaltstrecken eines Leistungsschalters einer elektrischen Schaltfeldanordnung Actuating means for actuating the switching paths of a circuit breaker of an electrical switchgear arrangement
10/09/2002EP1248276A1 Actuating device to control the contact gap of a circuit breaker in an electrical switching device
10/09/2002EP1080479B1 Actuation and control device for electric switchgear
10/09/2002CN2515788Y Compressed-air arc-extinguishing load switch
10/09/2002CN1373897A Method and device for interlocking
10/09/2002CN1373896A Clutch assembly for electrical switching apparatus with large compression close spring
10/09/2002CN1373488A Contact of integrated power switch
10/09/2002CN1373487A Safety interlocking mechainsm between vacuum cut-ot and cut-off switch with visual contact circuit breaker
10/09/2002CN1373485A Method for manufacturing contact of integrated power switch
10/08/2002US6462295 High-voltage power circuit breaker comprising an insulating nozzle
10/08/2002US6462293 Electric power source breaker
10/02/2002EP1245066A1 Modular, miniaturized switchgear
10/02/2002EP1245065A1 Integral load connector module
10/02/2002EP1245064A1 Isolator switch
10/02/2002EP1245034A1 Device for controlling the closing of a power circuit breaker
10/02/2002EP1074032B1 An interrupt assembly for a primary circuit breaker
10/02/2002CN1372645A Partial discharge monitoring system for transformers
10/02/2002CN1372361A Container for air isolation switch
10/02/2002CN1372287A Gas breaker switch
10/01/2002US6459053 Overtoggled interrupter switch assembly
09/2002
09/26/2002US20020135964 Isolating circuit breaker and circuit protection arrangement
09/26/2002US20020134758 Arc splitter plate
09/26/2002US20020134757 Vacuum circuit breaker
09/26/2002US20020134756 Vacuum switch and vacuum switchgear using the same
09/25/2002CN2513218Y Vacuum breaker and vacuum switch
09/25/2002CN1371111A Composite hydraulic driver
09/24/2002US6456025 Motor operator for over-head air break electrical power distribution switches
09/24/2002CA2257594C Electrical circuit breakers
09/24/2002CA2128149C Flexible connector for a circuit interrupter
09/19/2002US20020131223 Current sensor supporting structure
09/19/2002US20020130108 Metal-ceramic composite and vacuum switch unit using the same
09/18/2002EP1108261B1 Actuation and control device for high- and medium-voltage circuit breakers
09/18/2002EP1105898B1 High-voltage circuit breaker with interrupter unit
09/18/2002EP1086519B1 Insulating component for high-voltage installations and a method for the production thereof
09/18/2002CN2512104Y Shutoff releaser of vacuum circuit breaker
09/18/2002CN2512103Y Vacuum separated reversing switch
09/18/2002CN2512102Y Automatic shutoff motor switching device for gas-filled cabinet three position actuator
09/18/2002CN2512101Y Small electric operational mechanism for high voltage switch
09/18/2002CN2512100Y Anti-burn movable contact assembly for SF6 circuit breaker
09/12/2002WO2002071430A1 An integrated contact for power switchgear
09/12/2002WO2002071428A1 Low-voltage circuit breaker with an electric arc extinction system
09/12/2002WO2002071427A1 A multipolar integrated contact for power switchgear
09/12/2002US20020128808 Method and apparatus for characterization of voice-coil motor with eddy current effect
09/12/2002DE10047032A1 Medium voltage isolating blade-diverter used in electrical switching devices comprises a circuit breaker integrated between isolating blades
09/11/2002CN2510979Y Fault-operation mechanical interlocking device for air-inflating cabinet
09/11/2002CN1368771A Gas insulating switch device
09/11/2002CN1368748A Driving power energy-storage device of shutter operating device
09/06/2002WO2002069352A1 Insulating material for over-moulding on medium and high voltage appliances, and medium and high voltage electric appliances using same
09/05/2002DE10109952A1 Stray light spark sensor, especially for switching systems, has optical element(s) with absorbable radiation fluorescence centers that amplifies stray light yield associated with base body
09/04/2002EP1236214A1 Vacuum contactor with movable guide element
09/04/2002CN2509702Y Sulfur hexafluoride breaker arc-chutes
09/04/2002CN2509701Y Vacuum loading switch drive mechanism
09/04/2002CN2509700Y Safety three-station sulfur hexafluoride loading switch
09/03/2002US6445569 Gas-insulated switchgear
09/03/2002US6444939 Vacuum switch operating mechanism including laminated flexible shunt connector
09/03/2002US6444938 Switchgear with switching devices arranged in housings
09/03/2002US6444937 Gas-insulated switching device
09/03/2002US6444934 Driving force storing device for a switch operating mechanism
08/2002
08/29/2002WO2002067280A1 Low-voltage power switch with a bearing arrangement for a switch shaft
08/29/2002US20020117476 Vacuum circuit-breaker, vacuum valve for use therein, and electrodes thereof
08/29/2002US20020117475 Circuit-breaker including a channel for emptying the piston-driven compression chamber
08/28/2002EP1235243A1 Circuit breaker having and outlet channel for the compression chamber
08/28/2002EP1155428B1 Drive device for a switching device, especially for earthing switches of medium-voltage switchgear
08/28/2002EP0754345B1 Moving gas mixing plate for puffer interrupter
08/28/2002CN2508437Y Fixed switch cubicle
08/28/2002CN2508378Y Vacuum arc-extinguishing chamber
08/28/2002CN1366312A Electromagnetic and operating mechanism of switch using said electromagnet