Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
07/2014
07/02/2014CN102543559B 盘式双工位真空灭弧室 Disc duplex vacuum interrupter
07/01/2014US8766131 Gas-insulated high-voltage switch
06/2014
06/26/2014WO2014098289A2 Contact apparatus for vacuum circuit breaker
06/26/2014WO2014098288A1 Air circuit breaker
06/26/2014WO2014096460A1 Electrical switching device
06/26/2014WO2014096221A1 Contact arrangement for high voltage switchgear and switchgear with contact arrangement
06/26/2014WO2014096219A1 Electrical switching device with a triple motion contact arrangement
06/26/2014WO2014095272A1 Eddy current actuator
06/26/2014WO2014095079A1 Power circuit breaker
06/26/2014WO2014094891A1 Electrical switching device
06/26/2014WO2014094847A1 Device for switching a direct current in a pole of a direct current network
06/26/2014WO2014094806A1 Medium voltage switchgear with an assembled pole part with integrated three-position switch
06/26/2014WO2014094724A1 Contact system for compensating arc contraction in power switches
06/26/2014US20140176273 Tap changer having a vacuum interrupter assembly with an improved damper
06/26/2014US20140175062 Electrical switching device
06/26/2014US20140175059 Insulating cylinder and a main circuit structure using the same
06/26/2014US20140175058 Circuit-breaker pole part with a flexible conductor for connecting a movable electrical contact
06/26/2014US20140175057 Switching device
06/26/2014US20140175056 Switching device suitable for direct current operation
06/26/2014DE102012113057A1 Auslösevorrichtung für ein Schütz The trip device of a contactor
06/26/2014DE102012025115A1 Leistungsschalter Circuit breaker
06/25/2014EP2747113A1 Circuit-breaker pole part with a flexible conductor for connecting a movable electrical contact
06/25/2014CN203674069U 一种带有定位功能封接环的真空灭弧室 A vacuum interrupter positioning function with sealing ring
06/25/2014CN203674068U 一种波纹管双防扭真空灭弧室 A corrugated tube double anti-twist vacuum interrupter
06/25/2014CN203674067U 一种真空灭弧室包封结构 A vacuum interrupter encapsulated structure
06/25/2014CN203674066U 用于12kV高压环网柜的灭弧室触头簧组件 For 12kV high voltage RMU interrupter contacts spring assembly
06/25/2014CN203674065U 用于高压真空开关的固封极柱及组合式高压真空开关 For high pressure vacuum switches embedded pole and modular high-voltage vacuum switch
06/25/2014CN203674064U 一种分体式固封极柱结构 A separate-type embedded pole structure
06/25/2014CN203674063U 一种便于安装监控的高压真空断路器 An easy to install monitoring of high-voltage vacuum circuit breaker
06/25/2014CN203674062U 真空开关触头磨损指示机构 Vacuum switch contact wear indicator agency
06/25/2014CN203674061U 一种固封极柱 One kind of embedded pole
06/25/2014CN203674060U 一种高压断路器永磁凸极电机操动机构 A high voltage circuit breaker Salient Permanent Magnet Motor Actuator
06/25/2014CN103890888A 气体断路器 Gas circuit breaker
06/25/2014CN103887109A 一种高压开关真空绝缘操作管 A high pressure switch vacuum insulated pipe operation
06/25/2014CN103887108A 一种高可靠性的高压真空断路器触头簧传动装置 A high-reliability, high-voltage vacuum circuit breaker contacts spring gear
06/25/2014CN102194603B 一种永磁真空单向开关及断路器接触器组合开关 A permanent magnet vacuum-way switch and circuit breaker contacts Combination Switch
06/25/2014CN102194602B 一种永磁真空单向开关及安装该开关的多功能组合开关 A permanent magnet vacuum-way switch and install the switch multifunction switch
06/25/2014CN102194601B 一种永磁真空单向开关 A permanent magnet vacuum-way switch
06/25/2014CN101923985B 中压真空断路器及其的电触点、包括其的断路器及用途 Medium voltage vacuum circuit breakers and electrical contacts, including circuit breaker and uses
06/19/2014WO2014093691A1 Integral current transforming electric circuit interrupter
06/19/2014WO2014091926A1 Vacuum deterioration monitoring apparatus
06/19/2014WO2014091618A1 Power switching control apparatus
06/19/2014WO2014090887A1 Improved circuit breaker apparatus
06/19/2014WO2014090089A1 Vacuum interrupter and a vacuum breaker with the vacuum interrupter
06/19/2014US20140166623 Muffler for enhanced arc protection
06/19/2014US20140166622 Tank-type circuit breaker
06/19/2014US20140166621 Compact bus bar assembly, switching device and power distribution system
06/19/2014US20140166620 Polarity independent switching device for carrying and disconnecting direct current
06/18/2014EP2742521A1 Circuit breaker unit
06/18/2014CN203659746U 新型交流接触器触头系统 The new AC contactor contact system
06/18/2014CN203659745U 一种真空开关动触头压簧装置 A vacuum switch movable contact spring means
06/18/2014CN203659744U 一种真空灭弧室的动端面保护装置 Moving end face protection device for a vacuum interrupter
06/18/2014CN203659743U 真空灭弧室用铜铬系列复合触头 Vacuum interrupter contacts with copper chromium complex series
06/18/2014CN203659742U 高压真空灭弧室 High-voltage vacuum interrupters
06/18/2014CN203659741U 多触头模块结构 Multi-contact module structure
06/18/2014CN203659740U 真空开关管 Vacuum switch
06/18/2014CN203659739U 一种高压真空开关管 A high voltage vacuum switch tube
06/18/2014CN203659738U 用于真空开关管的壳体 Housing for vacuum switch tube
06/18/2014CN203659737U 一种用于真空开关管的壳体 Housing for a vacuum switch tubes
06/18/2014CN203659736U 高压真空开关管 High-voltage vacuum switch tube
06/18/2014CN203659735U 用于高压真空开关管的壳体 For high voltage vacuum switch housing
06/18/2014CN203659734U 一种用于高压真空开关管的壳体 Housing for a high pressure vacuum switch tubes
06/18/2014CN203659733U 户外高压分界真空断路器 Outdoor high voltage vacuum circuit breaker boundaries
06/18/2014CN203659732U 一种真空开关连接装置 A vacuum switch connecting device
06/18/2014CN203659731U 一种固封极柱 One kind of embedded pole
06/18/2014CN203659730U 一种固封极柱 One kind of embedded pole
06/18/2014CN203659729U 一种固封极柱断路器用触臂绝缘套筒 One kind of embedded pole circuit breaker with a contact arm insulated sleeve
06/18/2014CN203659728U 高压断路器无刷线圈激磁直流电机操动机构 High voltage circuit breaker coil brushless DC motor actuator excitation
06/18/2014CN203659727U 具有灭弧功能的高压刀闸 High voltage arcing function knife has
06/18/2014CN203659726U 一种固封极柱断路器结构 One kind of embedded pole breaker structure
06/18/2014CN203659690U 一种真空灭弧室瓷壳内屏蔽筒整形工具 A vacuum interrupter porcelain shell shield tube shaping tool
06/18/2014CN103871775A Vacuum arc extinguish chamber and vacuum breaker with same
06/18/2014CN103871774A Outdoor high-voltage vacuum circuit breaker capable of preventing long-term live-line closing coil
06/18/2014CN102592877B Working cylinder integrated with control valve and high-power hydraulic spring operating mechanism
06/18/2014CN102543562B Manual energy storing device for vacuum circuit breaker
06/17/2014US8754730 Electromagnetically operated switching device
06/17/2014CA2496250C Disconnect switch
06/12/2014WO2014088532A1 System including pressure-compensated electrical equipment within a sealed container
06/12/2014WO2014086587A1 Switching device
06/12/2014US20140158665 Sealed solenoid magnetically operated high voltage electric power switch
06/11/2014EP2741305A1 High voltage circuit breaker
06/11/2014EP2740138A1 Vacuum switch including an insulating body having a number of transparent portions made of a single crystal alumina
06/11/2014EP2740137A1 Arrangement comprising a circuit breaker interrupter unit
06/11/2014EP2740136A1 Differential for a hydro-mechanical drive for electric power switches
06/11/2014EP2740135A1 Differential cylinder for a hydromechanical drive for electrical circuit breakers
06/11/2014CN203644655U 一种高压直动压气式SF<sub>6</sub>负荷开关装置 A high-pressure direct-acting puffer type SF <sub> 6 </ sub> load switch devices
06/11/2014CN203644654U 一种真空负荷开关的操作机构 A vacuum load switch operating mechanism
06/11/2014CN203644653U 一种用于真空断路器的焊接主轴 A vacuum circuit breaker welding spindle
06/11/2014CN203644652U 一种水平布置的动端触头盒 A horizontal arrangement of the movable end of the contact box
06/11/2014CN203644651U 户外高压固封极柱真空断路器或重合器 Outdoor high solid seal pole vacuum breaker or recloser
06/11/2014CN203644650U 互感器中置集成型户外高压真空断路器 Mid transformer integrated outdoor high voltage vacuum circuit breaker
06/11/2014CN203644649U 一种真空开关 A vacuum switch
06/11/2014CN203644648U 一种侧装式真空断路器 One kind of side-mounted vacuum circuit breaker
06/11/2014CN203644647U 户外固体绝缘开关 Outdoor Solid Insulated Switchgear
06/11/2014CN203644646U 一种侧装式真空断路器的结构 Structure of a side-mounted vacuum circuit breaker
06/11/2014CN203644645U 户内高压真空负荷开关—熔断器组合电器 Indoor high voltage vacuum load switch - fuse combinations
06/11/2014CN203644644U 一种智能型户外交流高压真空分界断路器 An intelligent demarcation Outdoor AC high voltage vacuum circuit breaker
06/11/2014CN203644643U 一种便于调节电流互感器变流比的户外高压真空断路器 An easy to adjust the flow of current transformer ratio outdoor high voltage vacuum circuit breaker
06/11/2014CN203644642U 一种使用自润滑塑料滑动轴承的高压隔离开关 A method of using self-lubricating plastic plain bearings of high-voltage isolation switch
06/11/2014CN203644641U 高压断路器分体式喷口 High voltage circuit breakers split vents
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