Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
03/2012
03/28/2012CN202178207U 全绝缘电力开关 Fully insulated power switch
03/28/2012CN202178206U 真空灭弧室 Vacuum Interrupter
03/28/2012CN202178205U 一种三相共体的真空灭弧室 A three-phase vacuum interrupter ECOWAS
03/28/2012CN202178204U 一种用于真空开关的触头装置 A contact arrangement for a vacuum switch
03/28/2012CN202178203U 高压真空断路器 High voltage vacuum circuit breaker
03/28/2012CN202178202U 一种带有ups电源的真空断路器 A vacuum circuit breaker with power ups
03/28/2012CN202178201U 一种具有超行程在线监测功能的断路器 A kind of super-breaker trip online monitoring functions
03/28/2012CN202178200U 一种真空开关 A vacuum switch
03/28/2012CN202178199U 一种适用于固定式充气柜的高压真空断路器 One for fixed voltage vacuum circuit breaker cabinet inflatable
03/28/2012CN202178198U 用于12kV电力系统的户内高压真空断路器 Within 12kV power system for indoor high voltage vacuum circuit breaker
03/28/2012CN102394197A Combined-type high-voltage conversion switch
03/22/2012WO2012034653A1 Tap changer and vacuum switching tube for such a tap changer
03/22/2012US20120067707 Electrical switching apparatus and levering assembly therefor
03/22/2012DE102010045901A1 Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter Stages and vacuum circuit interrupter for such a step switch
03/21/2012EP2430645A1 High-voltage switching unit
03/21/2012EP2430322A1 Lock device for restricting rotational movement
03/21/2012EP2141780B1 Phase control switch and switching pole control method in phase control switch
03/21/2012CN202172045U 升降触指机构 Lifting finger agencies
03/21/2012CN202172044U 一种真空灭弧室进出线端子的连接器 A vacuum interrupter chamber inlet and outlet connector terminals
03/21/2012CN202172043U 带有熔断器的真空负荷隔离开关 Vacuum load isolation switch with fuses
03/21/2012CN202172042U 一种真空断路器 A vacuum breaker
03/21/2012CN202172041U 户外柱上高压永磁真空断路器 Outdoor Overhead high-voltage vacuum circuit breaker permanent magnet
03/21/2012CN202172030U 自动空气开关联锁装置的拨动机构 Toggle mechanism automatic air switch interlock device
03/21/2012CN102388514A Bushing for connecting gas insulated switchgear with air insulated switchgear
03/21/2012CN102388425A Operating device
03/21/2012CN101521123B Medium-voltage switch
03/21/2012CN101154531B Switchgear and switchgear operating mechanism
03/21/2012CN101097808B Cylindrical slot guide activation of an alternator load-break switch
03/21/2012CN101027740B Self-conglutinating elastomer layer in solid insulative switch pole
03/20/2012US8138440 Medium-voltage circuit-breaker
03/20/2012US8138439 Limiter including a number of gas channels and electrical switching apparatus employing the same
03/15/2012WO2012032902A1 Multipoint contact vacuum switch
03/15/2012WO2012031937A1 Load interrupter
03/15/2012US20120061353 Gas-insulated vacuum circuit breaker
03/15/2012US20120061352 Gas-insulated switchgear
03/15/2012DE102010045233A1 Lasttrennschalter Switch disconnectors
03/14/2012EP2427898A1 Insulating housing for receiving a vacuum switching tube and switch pole insulated by solid material
03/14/2012CN202167410U 新型定位盘 The new positioning plate
03/14/2012CN202167409U 高压接触器 High-voltage contactors
03/14/2012CN202167408U 高压接触器 High-voltage contactors
03/14/2012CN202167407U 真空断路器用固封极柱 With a solid seal vacuum circuit breaker pole
03/14/2012CN202167406U 一种户外高压永磁真空断路器 Permanent Magnet kind of outdoor high voltage vacuum circuit breaker
03/14/2012CN202167405U Gis的断路器及其操动机构的传动装置 Gearing Gis breaker and Actuator
03/14/2012CN202167404U High-voltage load switch and arc extinguishing apparatus used thereof
03/14/2012CN202165591U 新型波纹管 The new bellows
03/14/2012CN102379020A 气体绝缘装置 Gas-insulated equipment
03/14/2012CN102379019A Hydromechanical drive for electrical circuit breakers
03/14/2012CN102376491A High-voltage ground switch
03/14/2012CN102376490A Fixedly-sealed polar column with anomalous soft connection
03/14/2012CN102376489A Operating device for shutter and closure spring force adjustment method thereof
03/13/2012US8133602 Rechargeable battery
03/08/2012US20120055765 Portable remote racking device for a circuit breaker
03/08/2012DE102011008689B3 Stufenschalter Tap changer
03/07/2012EP2426689A2 Method for connecting an inductive load and connecting circuit for carrying out the method
03/07/2012EP2426686A1 Operating device
03/07/2012CN202159629U 一种高压负荷开关 A high voltage load switch
03/07/2012CN202159628U 户外高压交流六氟化硫负荷开关 Outdoor high voltage AC sulfur hexafluoride load switch
03/07/2012CN202159627U 高压真空灭弧室 High-voltage vacuum interrupters
03/07/2012CN202159626U 高绝缘性真空灭弧室 High insulation vacuum interrupter
03/07/2012CN202159625U 一种高压真空断路器 A high voltage vacuum circuit breaker
03/07/2012CN202159624U 一种自控移能、劣化自脱离及真空灭弧室的保护装置 A protection device can shift deterioration detachment and self-controlled vacuum interrupter
03/07/2012CN202159623U 极柱式永磁真空断路器 Column permanent magnetic pole vacuum circuit breaker
03/07/2012CN202159622U 单相高压真空断路器 Single-phase high-voltage vacuum circuit breakers
03/07/2012CN202159621U 大爬距真空断路装置 Big climb from the vacuum circuit device
03/07/2012CN202159620U 一种高压柜五防机械闭锁联锁装置 A high-pressure cabinet five against mechanical locking interlock device
03/07/2012CN102369361A Lock device for restricting rotational movement
03/07/2012CN102368455A High-voltage vacuum circuit breaker
03/07/2012CN102368454A Vacuum circuit breaker
03/07/2012CN101414528B Incoming current suppression device
03/07/2012CN101369498B Grounding switch device
03/06/2012US8130501 Pluggable power cell for an inverter
03/06/2012US8129648 Surge arrester having thermal overload protection
03/06/2012US8129647 Insulating nozzle, comprising a first material and a second material
03/01/2012WO2012026423A1 Exciting inrush current suppression apparatus
03/01/2012WO2012025555A1 Arc chute for a circuit breaker, circuit breaker and method for assembling an arc chute
03/01/2012WO2012025008A1 Arc extinguish chamber with high current-carrying capability for high-voltage switch equipment
03/01/2012DE102010036215A1 Elektrischer Leistungsschalter The electrical circuit breaker
03/01/2012DE102010035684A1 Elektrische Trennvorrichtung sowie Verfahren zum elektrischen Trennen von Anschlussteilen mit Hilfe einer Trennvorrichtung Electrical disconnect device and method for electrically separating connecting parts with the aid of a separator
02/2012
02/29/2012EP2218085B1 Device for detecting and locating electrical discharges in a fluid-insulated electrical apparatus
02/29/2012CN202153499U 不停电作业用快装真空负荷开关 Does not work with a quick power vacuum load switch
02/29/2012CN202153498U Handcart type vacuum breaker for solid insulating high voltage switch cabinet
02/29/2012CN202153497U 一种组合式真空灭弧室极柱 A modular vacuum interrupter pole
02/29/2012CN102364656A Gas rotation energy separation type high-voltage SF6 circuit breaker and energy separation method thereof
02/29/2012CN102364655A Dynamic voltage sharing device of multi-break vacuum circuit breaker and parameter selection method for dynamic voltage sharing device
02/28/2012US8125103 Semiconductor device system in package
02/23/2012WO2012023524A1 Magnetizing inrush current suppression device
02/23/2012WO2012022901A1 Protection system for electric transformer
02/23/2012WO2012002677A3 Hybrid extinction-type gas circuit breaker for a gas insulated switchgear
02/23/2012US20120043302 Circuit Breaker and Arc Chute With Shield Apparatus
02/23/2012DE102007021091B4 Schaltgerät mit Vakuumschaltkammer Switching device with vacuum interrupter chamber
02/23/2012CA2714794A1 Variable frequency drive with dielectric fluid-immersed transformer
02/22/2012EP2421017A1 Medium voltage circuit breaker arrangement operated by special transmission means
02/22/2012EP2419913A1 Multi-phase switching device assembly
02/22/2012EP1453164B1 Switch gear and multi-layer switch gear
02/22/2012CN202150400U 真空接触器 Vacuum contactor
02/22/2012CN202150399U 一种真空断路器 A vacuum breaker
02/22/2012CN202150398U 10kV刀闸辅助开关 10kV knife auxiliary switch
02/22/2012CN202150397U Sf6气体自封闭接头 Sf6 gas self-closing fittings
02/22/2012CN102360987A Tank type high-pressure vacuum circuit breaker
02/22/2012CN102360986A Sealed full vacuum switching device
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