Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
03/2014
03/19/2014CN203491184U Hand-operated slow-opening and slow-closing apparatus for vacuum circuit breaker
03/19/2014CN203491183U Arcing intelligent regulation and control device of mechanical switch
03/19/2014CN203491182U Reignition-free vacuum circuit breaker based on brake opening amplitude self adjusting
03/19/2014CN203491181U 10kV box-type double-break vacuum circuit breaker structure with built-in isolation switch
03/19/2014CN203491180U Connecting device of SF6 breaker charge valve connector
03/19/2014CN203491179U Direct-acting sealing structure of high-voltage sulfur hexafluoride circuit breaker
03/19/2014CN203491178U High-voltage breaker and SF6 supplement device thereof
03/19/2014CN203491177U Built-in isolating device of load switch on outdoor column
03/19/2014CN203491123U Permanent-magnet operating mechanism
03/19/2014CN103650091A Power switching apparatus
03/19/2014CN103650090A DC current interruption system able to open a DC line with inductive behaviour
03/19/2014CN103650089A Solenoid operating device and opening and closing device using same
03/19/2014CN103650086A Switching device
03/19/2014CN103650085A Drive for a switching device
03/19/2014CN103646820A High-voltage directly-operated air-compressing type SF6 load switch device
03/19/2014CN103646819A Vacuum switch vacuum degree on-line monitoring system
03/19/2014CN103646818A 220kV substation SF6 circuit breaker fault field processing method
03/19/2014CN103646817A Breaker insulation pull bar
03/19/2014CN102227797B Vacuum switch having fixed rail terminals on both sides
03/18/2014US8674254 Flexible seal for high voltage switch
03/18/2014US8674253 Gas insulation apparatus
03/13/2014WO2014039217A1 Contact alignment structure for high-voltage dead tank circuit breakers
03/13/2014WO2014038008A1 Dc breaker
03/13/2014WO2014037566A1 Medium- or high-voltage electrical appliance having a low environmental impact and hybrid insulation
03/13/2014WO2014037399A1 Device and method for monitoring rooms equipped with high-voltage apparatuses
03/13/2014WO2014037396A1 Insulation fluid filling method and filling apparatus
03/13/2014WO2014037395A1 Method for operating an electrical apparatus and electrical apparatus
03/13/2014WO2014037031A1 Insulation fluid filling method and filling apparatus
03/13/2014WO2014037030A1 Method for operating an electrical apparatus and electrical apparatus
03/13/2014US20140069892 Moving seal with arc creepage surface for an air circuit breaker
03/13/2014US20140069891 Gas circuit breaker
03/13/2014DE112011105362T5 Vakuum-Leistungsschalter Vacuum Circuit Breaker
03/13/2014DE112011105304T5 Vakuumschalter Vacuum Switches
03/12/2014EP2706549A1 Encapsulated circuit breaker and method for producing the same
03/12/2014CN203481130U Vacuum circuit breaker operating device
03/12/2014CN203481129U Switching device box unit
03/12/2014CN203481128U Vacuum arc extinguish chamber with static end protection device
03/12/2014CN203481127U Three-phase integrated arc-extinguishing chamber epoxy solid-sealed polar pole
03/12/2014CN203481126U Mining explosion-proof and intrinsic safety-type combination vacuum feed switch
03/12/2014CN203481125U Outdoor vacuum circuit breaker
03/12/2014CN203481124U Solid-sealed polar pole with composite protective layer
03/12/2014CN203481123U Combined type vacuum circuit breaker device
03/12/2014CN203481122U Rapid vacuum switch and power grid system
03/12/2014CN203481121U Outdoor enclosed type visual intelligent isolating and grounding switch
03/12/2014CN203481075U Permanent magnetic actuator with breaking spring
03/12/2014CN103632882A Three-position disconnecting switch and vacuum switch integrated insulator
03/12/2014CN103632881A Universal double-breakpoint circuit breaker
03/12/2014CN102403160B Quick three working position isolation switch
03/12/2014CN102201296B Vacuum switch and vacuum insulated switchgear
03/12/2014CN102136389B 紧凑型液压操动机构 Compact hydraulic actuator
03/12/2014CN102017040B 真空断路器 Vacuum Circuit Breaker
03/12/2014CN101276701B Locking and operating system for generator circuit breakers
03/11/2014CA2744437C Visible open for switchgear assembly
03/11/2014CA2641554C Vacuum circuit breaker of tank type
03/11/2014CA2641422C Vacuum-type electrical switching apparatus
03/11/2014CA2626308C Circuit interrupter assembly and method of making the same
03/06/2014WO2014034045A1 Overvoltage suppression method and device
03/06/2014WO2014033868A1 Input circuit and power conversion apparatus
03/06/2014WO2014033039A1 Method for closing a switch and switch for performing the method
03/06/2014WO2014032790A1 Electromagnetic actuator for a medium voltage vacuum circuit breaker
03/06/2014WO2014032718A1 Switchgear for controlling the energy supply of an electric motor connected thereto
03/06/2014WO2014032692A1 Apparatus arranged to break an electrical current
03/06/2014US20140063674 Fail-Open Mechanism For Motorized Switch
03/06/2014US20140062625 Electromagnetic contactor
03/06/2014US20140061163 Protective door assembly for electrical devices
03/06/2014US20140061162 Contact Alignment Structure For High-Voltage Dead Tank Circuit Breakers
03/06/2014US20140061161 Conduction breaking device
03/06/2014US20140061160 Single direct current arc chute, and bi-directional direct current electrical switching apparatus employing the same
03/06/2014DE102012223168A1 Electromechanical switching device, has arc-quenching device comprising first permanent magnet and second permanent magnet that are arranged on both sides of switching contact, where magnets are magnetized in opposite directions
03/06/2014DE102012215479A1 Verfahren zum Schließen eines Schalters und Schalter zur Durchführung des Verfahrens A method of closing a switch, and switches for performing the method
03/06/2014DE102012215246A1 Druckfluidisoliertes Schaltfeld Pressure fluid insulated panel
03/06/2014DE102012215245A1 Vacuum switching tube, has contact terminal bolts extending into vacuum switching tube through cover parts for forming fixed contact and movable contact, and X-ray-absorbing units arranged in enamel covered ceramic cylinders
03/06/2014DE102012107900A1 Kraftspeicher für einen Laststufenschalter Power memory for a load tap changer
03/05/2014EP2704173A1 Electromagnetic actuator for a medium voltage vacuum circuit breaker
03/05/2014CN203466123U Single-phase vacuum circuit breaker actuated on basis of electromagnetic force
03/05/2014CN203466122U Line-upwards-outgoing vacuum permanent magnetic circuit breaker
03/05/2014CN203466121U Large current output intelligence control device used for electromagnetic thrust actuating mechanism
03/05/2014CN203466120U Combined vacuum circuit breaker device
03/05/2014CN203466019U Electric oil tank with anti-theft plug and special tool for assembling and disassembling plug
03/05/2014CN103620897A Tank-shaped vacuum circuit breaker
03/05/2014CN103620721A Electromagnetic operating device
03/05/2014CN103620720A Magnetizing inrush current suppressing device
03/05/2014CN103620719A Buchholz relay
03/05/2014CN103620718A Switchgear operating mechanism and switchgear
03/05/2014CN103620711A On-load tap changing device and energizing mechanism thereof
03/05/2014CN103617923A Anti-condensation vacuum arc-extinguishing chamber solid-sealed polar pole
03/05/2014CN103617922A Universal alternating current and direct current trip detection circuit used for vacuum circuit breaker
03/05/2014CN103617921A High voltage vacuum circuit breaker convenient to install and monitor
03/05/2014CN103617920A A valve hall ground switch
03/04/2014US8665569 Arc extinguishing switch and switching method thereof
03/04/2014US8664558 High-voltage power switch with a switch gap
02/2014
02/27/2014WO2014031428A1 Contact assembly and vacuum switch including the same
02/27/2014WO2014031312A1 Crowbar short-circuiter disconnect switch
02/27/2014WO2014031262A1 Arc detection with avoidance of nuisance activation through light subtraction
02/27/2014WO2014031261A1 Circuit breaker signaling system for control of an arc fault detection system
02/27/2014WO2014029542A1 Circuit interruption device
02/27/2014US20140054271 Crowbar disconnect switch
02/27/2014US20140054270 Arc detection with resistance to nuisance activation through light subtraction
02/27/2014DE112011105349T5 Vakuum-trennschalter vom behältertyp Vacuum-break switch from the container type
02/26/2014EP2701255A1 Circuit interruption device
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