Patents
Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099)
01/2002
01/01/2002CA2054509C Multipore rotary switch
12/2001
12/27/2001WO2001099132A1 Vacuum interrupter with two contact systems
12/26/2001CN2468143Y Non-load capacitor tap changer
12/26/2001CN1076858C Vertical antitracking skirts
12/25/2001US6333846 Power supply shut-off apparatus
12/19/2001EP0992046B1 Low-voltage power switch with an actuating shaft
12/19/2001CN1076514C Cut-off device for metal-enclosed and gas insulated high voltage switch device
12/13/2001WO2001095359A1 Compact disconnect switch
12/12/2001CN2465302Y Wall penetrating single isolation support isolating switch
12/04/2001US6326567 Multi-pole breaker assembly
11/2001
11/21/2001EP1156502A1 Actuator of power load-break switch
11/21/2001EP1155428A1 Drive device for a switching device, especially for earthing switches of medium-voltage switchgear
11/21/2001EP1068659B1 Encapsulating module with a three-phase switching device for a gas-insulated high-voltage switching installation
11/15/2001US20010040146 Vacuum switch and vacuum switchgear using the same
11/14/2001CN2459745Y Interlocking spring action mechanism for switching on of high voltage circuit breaker
11/08/2001WO2001084580A1 Fuse cutout with mechanical assist
11/07/2001EP1152444A1 Switch gear
11/07/2001CN1320941A Vacuum insulation switchgear and making method thereof
11/01/2001US20010035397 Vacuum switch
10/2001
10/31/2001EP1150405A2 Vacuum insulated switch gear and production method thereof
10/31/2001EP0917752B1 Power switch installation with disconnecting functions
10/23/2001CA2243612C Hybrid line and ground switch
10/17/2001CN2454889Y High-voltage isolation-type fuse switch
10/10/2001CN2453533Y Electric driving means for high voltage isolation load switch
10/09/2001US6300585 Operation counter for a circuit interrupter
10/04/2001EP1139362A2 Contact assembly
10/03/2001CN1072405C Switching device and insulated type switching device with same
10/03/2001CN1072386C 断路器 Breaker
09/2001
09/26/2001EP1137031A2 Contact arrangement foe electromagnetic switch gear, in particular for contactors
09/20/2001WO2001069742A1 Gas-insulated switchgear apparatus
09/20/2001DE10014055A1 Fused switching device for cable distribution box has separation device operated for removal of switch cover incorporating replaceable fuse
09/20/2001DE10013232A1 Outdoor multiphase encapsulated gas-insulated high-voltage (HV) switching equipment
09/13/2001DE10109091A1 Low voltage HRC fused switch such as low voltage HRC fused isolating switch for electrical power system, has housing and cover including at least one fuse insert and at least one opening.
09/05/2001EP1004159A4 A link switch
08/2001
08/29/2001EP1127362A1 Quick-release switch with forced opening with improved mounting tolerance
08/22/2001EP1126484A2 Switchgear
08/22/2001CN1309404A Switching device
08/16/2001WO2001059796A1 Contact arrangement for a grounding switch in switchgears which are provided for supplying and distributing power
08/16/2001EP1124241A1 Vacuum switch gear
08/16/2001EP1124240A2 Vacuum switch
08/15/2001CN1308355A Vacuum switch device
08/15/2001CN1308349A Contact arranging device for earthing switch in power supplying and distributing equipment
08/15/2001CN1069781C Interlock arrangement for stationary mounted circuit breakers
08/09/2001WO2001057896A1 Circuit breaker
08/09/2001WO2001057544A1 Capacitance monitoring systems
08/09/2001DE10006821A1 Kontaktanordnung für einen Erdungsschalter in Schaltanlagen der Energieversorgung und -verteilung Contact arrangement for a grounding switch in the switching power supply and distribution
08/09/2001DE10002800A1 NH-Sicherungsleiste NH-fuse block
08/08/2001CN2442420Y Interlock device for switching cabinet
08/08/2001CN2442378Y Super high voltage isolating switch
08/02/2001DE10004739A1 Leistungsschaltereinrichtung mit Sammelschienenanschlüssen und Abzweigleitungen Circuit breaker device with busbar connections and branch lines
08/01/2001EP1120804A1 Vacuum switch and vacuum switchgear using the switch
07/2001
07/31/2001US6268579 Vacuum switchgear
07/25/2001EP1119011A1 Vacuum switch and vacuum switch gear using the vacuum switch
07/25/2001EP1119010A1 Vacuum switch and vacuum switch gear using the vacuum switch
07/25/2001EP1119009A1 Vacuum switch and vacuum switch gear
07/25/2001CN1305208A Switch mechanism and its manufacturing method
07/18/2001CN1068701C Gas insulated switch gear device and method of assembling the same
07/12/2001WO2001050562A1 Isolator switch
07/12/2001CA2395665A1 Isolator switch
07/10/2001US6259051 Vacuum switch and a vacuum switchgear using the same
07/10/2001US6259050 Burn-off contact arrangement
07/03/2001US6255615 Multiple contact switch
06/2001
06/26/2001USRE37244 Insulated type switching device
06/26/2001US6252763 Gas-insulated electrical apparatus
06/21/2001US20010004067 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof
06/20/2001EP1109278A2 Low voltage fuse or power switch fuse with cable channel
06/20/2001EP1109192A2 Conductor for a current transformer for a low voltage-high power fuse or load-break device
06/20/2001EP1109186A2 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof
06/20/2001CN1300092A Vacuum switch containing vacuum measuring device, switch device and operation method
06/13/2001EP1107409A1 Switchgear and method of manufacturing thereof
06/13/2001EP1105896A1 Step switch with selector
06/13/2001EP1105894A1 Switching device for connecting and disconnecting or connecting track sections to the ground in catenary systems
06/07/2001WO2001041172A1 Actuator of power load-break switch
06/07/2001US20010002666 Switch gear and method of manufacturing thereof
06/06/2001CN1298550A Housing for fused switch
06/05/2001US6242708 Isolator switch
05/2001
05/31/2001WO2001039223A1 Device for controlling the closing of a power circuit breaker
05/31/2001US20010002118 Breaker apparatus
05/25/2001WO2001037301A1 Operating arrangement for mechanism
05/17/2001WO2001035431A1 Switch gear
05/10/2001WO2001033593A1 Compact-structure three-pole apparatus for electric stations
05/08/2001US6229109 Power circuit breaker with rack-pinion operating mechanism for movable contact
05/03/2001US20010000596 Breaker apparatus
05/02/2001CN2428850Y Multifunction insulation operation rod
04/2001
04/26/2001WO2001029945A1 Electrical switch with a metallic compartmented jacket for positioning disconnectors
04/26/2001CA2381858A1 Electrical switch with a metallic compartmented jacket for positioning disconnectors
04/19/2001DE19949493A1 Electrical earthing switch has fixed contact engaged by pair of moving contact blades, with pre-arcing horn section to reduce duration of arcing
04/18/2001CN1291816A Gas insulating switch device
04/07/2001CA2322901A1 Gas insulating switchgear
04/04/2001CN1064172C Connector of terminal
04/03/2001US6211768 Non-venting cutout mounted fuse
04/03/2001US6211479 Persistent current circuit switch
04/03/2001US6211478 Switching arrangement and method for its production
03/2001
03/29/2001DE19957391C1 Power switch control has a display which is set by the operating parameters against reassertion forces with an engaged coupling which is moved into the inoperative setting when the display is at the not-ready position
03/22/2001WO2001020633A1 Apparatus for assisting the manipulation of overhead mounted devices by a handling tool
03/22/2001CA2350948A1 Apparatus for assisting the manipulation of overhead mounted devices by a handling tool
03/20/2001US6205018 Air insulated switchgear with operating device for effect circuit breaker
03/14/2001EP1082791A1 Encapsulation module with a combined disconnecting-earthing switch for a gas-insulated switchgear
03/06/2001US6196858 Circuit breaking device
02/2001
02/28/2001CN1285604A High-voltage circuit breaker with high-speed moved moveable contact
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