| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 04/16/2008 | CN201048103Y 10kV outdoor three-phase linkage isolating switch |
| 04/16/2008 | CN201048102Y Stationary contact of ground switch |
| 04/16/2008 | CN201048090Y Split type stationary contact |
| 04/16/2008 | CN101162658A Sealing type three-stations load switch and manufacturing method thereof |
| 04/15/2008 | US7358839 Heavy duty relay with resilient normally-open contact |
| 04/09/2008 | EP1325506B1 Mechanical switching contact |
| 04/09/2008 | CN201045726Y Non-maintenance type high-voltage isolation switch galvanic circle assembly |
| 04/09/2008 | CN101159196A Outdoor high-voltage isolating switch |
| 04/08/2008 | CA2245794C Pivotal latching mechanism with interengageable latch arm and catch in a sectionalizer assembly |
| 04/03/2008 | WO2008037776A1 Fused load interrupter, switchgear system, and adapter part |
| 04/03/2008 | US20080078668 Actuating the oppositely-moving contacts of an interrupting chamber by a cylindrical cam |
| 04/02/2008 | EP1906422A1 Disconnector for very high voltage plant |
| 04/02/2008 | CN201044334Y Submersible oil pump control cabinet |
| 04/02/2008 | CN101154529A Direct action type three-station manual operating position locking mechanism |
| 03/26/2008 | EP1903591A1 Load break switch with flexible cable outlet |
| 03/26/2008 | EP1903589A2 Safety circuit breaker with light arc chamber |
| 03/26/2008 | CN201041782Y Two-step action three-phase AC outdoor high-voltage ground switch |
| 03/19/2008 | EP1901323A1 Earthing switch mechanism |
| 03/19/2008 | EP1004159B1 A link switch |
| 03/19/2008 | CN201038611Y MV distribution board mother board earthing switch interlinking protection structure |
| 03/19/2008 | CN201038601Y Small-sized vacuum ring main unit |
| 03/19/2008 | CN201038102Y Three-phase linkage drop-off type fuse |
| 03/19/2008 | CN201038043Y Switching mechanism for intelligent double-power automatic switching device |
| 03/19/2008 | CN201038042Y Earth switch |
| 03/19/2008 | CN201038041Y Onload switch possessing fuse |
| 03/19/2008 | CN201038040Y Double-column horizontal rotation type high-voltage segregate switch |
| 03/19/2008 | CN201038039Y Separation switch transmission device with earthing switch |
| 03/19/2008 | CN101145466A Earthing switch mechanism |
| 03/19/2008 | CN100375985C Electric equipment, supporting body of electric switch equipment and monitor equipment, and electric equipment including these |
| 03/18/2008 | US7345489 Arc fault and ground fault circuit interrupter tester apparatus and method |
| 03/12/2008 | CN201036185Y Load switch five anti-interlocking operation device |
| 03/12/2008 | CN101142646A Metal bracket for retaining fuses in the cover of a fused interrupter |
| 03/05/2008 | EP1459341B1 Medium voltage motor control center arc resistant enclosure |
| 03/05/2008 | CN100373515C Vacuum switchgear system |
| 03/05/2008 | CN100373510C Cut-in type extra-high-voltage isolated switch dust-proof contact |
| 02/28/2008 | US20080047813 Rack gear for electrical circuit breaker |
| 02/28/2008 | DE102006050477B4 Mittelspannungsschaltanlage mit Eingießpolteilen und Einfahrkontaktanordnungen Medium voltage switchgear with embedded poles and Einfahrkontaktanordnungen |
| 02/21/2008 | DE10220110B4 Vakuumschaltkammer Vacuum interrupter chamber |
| 02/20/2008 | EP1889272A1 An electric switch having an annular stationary contact |
| 02/20/2008 | CN201025604Y Synchronization operation device for separation switch unit |
| 02/20/2008 | CN201025603Y Locking device for multi-separation switch |
| 02/20/2008 | CN201025602Y Conversion separation switch |
| 02/13/2008 | CN201022063Y Operation machine for three work position load switch |
| 02/13/2008 | CN201022062Y Remote control high voltage separation switch |
| 02/06/2008 | EP1884972A1 Medium or high voltage electrical equipment control device and method of controlling a medium or high voltage electrical equipment control device |
| 02/06/2008 | CN201017808Y Safety high voltage ground switch |
| 02/06/2008 | CN201017807Y Isolating switch fuse unit with visual breakpoints |
| 02/06/2008 | CN201017806Y High-voltage segregate switch of electric power locomotive engine |
| 02/06/2008 | CN201017805Y Contact tip device used for ground switch |
| 02/06/2008 | CN201017786Y Mutual interlock apparatus between two switch mechanisms |
| 02/06/2008 | CN201017785Y Loading, isolating and earthing three electric functions coupled medium-pressure switch |
| 02/06/2008 | CN101118815A Medium or high voltage electrical equipment control device and method of controlling a medium or high voltage electrical equipment control device |
| 01/31/2008 | US20080024143 Closed-grid bus architecture for wafer interconnect structure |
| 01/31/2008 | US20080024142 High current capable circuit testing closer apparatus and method |
| 01/31/2008 | DE102006033898A1 Elektrisches Schaltgerät mit einem längs einer Bewegungsachse bewegbaren Kontaktstück Electrical switching device with a longitudinal axis of movement of a movable contact piece |
| 01/30/2008 | CN101114546A Mechanical caging device for on-off switch and interlocking mechanism for control cabinet door of high-voltage electric main control cabinet |
| 01/24/2008 | WO2008009603A1 Electrical switching device having contact piece displaceable along an axis of movement |
| 01/24/2008 | DE102007032829A1 Automatischer Hochspannungsumschalter Automatic high voltage switch |
| 01/23/2008 | CN101110304A High-voltage automatic change-over switch |
| 01/17/2008 | WO2008006846A1 Switch for a switching unit for energy supply and distribution |
| 01/16/2008 | CN201007969Y Stepping closedown flame-proof type vacuum feeder switch for mining |
| 01/09/2008 | CN201004411Y An inter-phase connection pole structure of separation switch |
| 01/09/2008 | CN201004410Y An open and close positioning device of grounding switch |
| 01/09/2008 | CN201004409Y An outdoor separation switch structure for preventing from dead point structure of self combustion close and open |
| 01/09/2008 | CN201004408Y An interlock machine for principle axis and grounding rotary axis of separation switch |
| 01/09/2008 | CN201004407Y An outdoor high-voltage separation conduction shaft rotary structure |
| 01/09/2008 | CN201004406Y An indoor high voltage separation switch trigger knife closing and pressing machine |
| 01/09/2008 | CN201004405Y Over-heat processing device for separation switch |
| 01/09/2008 | CN101103426A Method and machine for repetitive testing of an electrical component |
| 01/09/2008 | CN101101830A Interlocking device of high-voltage segregate switch and vacuum contactor and high-voltage switch cabinet door |
| 01/09/2008 | CN101101821A Circuit breaker set with interlocking apparatus |
| 01/09/2008 | CN100361247C Double-breaks folding horizontal disintegration isolation switch |
| 01/08/2008 | US7317316 Apparatus and method for measuring the insulation resistance of a fuel cell system |
| 01/03/2008 | WO2008001589A1 Ground disconnector |
| 01/02/2008 | CN201000849Y Anti-misoperation interlocking apparatus for high voltage switch cabinet |
| 01/02/2008 | CN100359618C Circuit breaker |
| 12/26/2007 | CN200997341Y Installation aid of large-power supply isolated switch operating mechanism |
| 12/19/2007 | CN100356492C Energy-storage isolating switch |
| 12/18/2007 | US7310221 Switching installation provided with an electrically insulating barrier |
| 12/13/2007 | WO2007141238A1 Polyphase switch panel for medium-voltage switchgear assemblies |
| 12/13/2007 | DE19911852B4 Aufstecksicherung Aufstecksicherung |
| 12/12/2007 | CN200990482Y Direct acting three-station switch |
| 12/12/2007 | CN200990304Y Apparatus for mating auxiliary switch delay action |
| 12/12/2007 | CN200990301Y High-voltage switch cubicle round antierror linkage mechanism |
| 12/12/2007 | CN200990299Y Blocking device |
| 12/12/2007 | CN200990292Y Limited mechanical corner outputting mechanism |
| 12/05/2007 | EP1861859A1 Metal bracket for retaining fuses in the cover of a fused interrupter |
| 12/05/2007 | CN200986884Y Three-position isolation switch mechanical interlock |
| 12/05/2007 | CN200986883Y High voltage isolation switch |
| 12/05/2007 | CN101083180A Outdoor AC high voltage ground switch |
| 11/29/2007 | WO2007134692A1 Switching device for an electrical switchgear assembly for energy distribution |
| 11/29/2007 | DE102006024007A1 Schaltgerät für eine elektrische Schaltanlage zur Energieverteilung Switching device for an electrical switchgear for power distribution |
| 11/28/2007 | CN101079348A Separated static contact |
| 11/27/2007 | US7299712 Energy storage disconnecting switch |
| 11/22/2007 | WO2007131868A1 Switching device, in particular fused interrupters |
| 11/21/2007 | CN100350532C Main switch conveying apparatus for vacuum circuit breaker |
| 11/21/2007 | CN100350531C Double-breaks folding vertical disintegration isolation switch |
| 11/20/2007 | US7297890 Earthing switch |
| 11/15/2007 | US20070261946 Solid insulated disconnection switch and solid insulated switchgear using the same |
| 11/15/2007 | DE102006022374A1 Schaltgerät, insbesondere Sicherungslasttrennschalter Switching device, especially fuse switch disconnectors |