Patents for H02B 11 - Switchgear having carriage withdrawable for isolation (5,238)
02/1991
02/06/1991EP0411728A1 Drawer for electrical cabinets with a locking device
02/06/1991EP0411727A1 Disconnecting arrangement with knife contacts and forked making contacts
01/1991
01/23/1991EP0408730A1 Electrical door interlock system and method
11/1990
11/27/1990CA1277021C Advanceable and retractable plug-on unit assembly for a motor control center
11/22/1990DE4015040A1 Switch appts. containing electrical; circuit breaker device - has beaker to cable on either side within switch appts. housing
11/07/1990CN1046819A Program-controlled linked lock for handcart-type switch cabinet
10/1990
10/24/1990EP0393733A1 Single- or polyphase medium-voltage switching device and distribution installation assembled therewith
10/11/1990DE3911542A1 Gas-insulated, metal-encapsulated switching installation having a damping element for radio-frequency travelling waves
10/04/1990DE3910114A1 Mounting rack for a withdrawable-insert power circuit breaker
09/1990
09/27/1990DE3908056A1 Position interlock for a power circuit breaker withdrawable insert
09/19/1990EP0387635A1 Multipolar vacuum switch configuration
08/1990
08/28/1990CA1273422A1 Interruptible current outlet mounted on a busbar power pole
08/22/1990CN1044877A Electrical door interlock system and method
08/21/1990US4950854 Vacuum operated circuit breaker apparatus for replacing air-magnetic circuit breaker assemblies
08/08/1990WO1990009691A1 Electrical door interlock system and method
08/08/1990EP0381274A1 Mobile bridging contacts support for low-voltage power circuit breakers
08/08/1990CA2026985A1 Electrical door interlock system and method
07/1990
07/25/1990CN1008960B Draw-in and draw-out mechanism of electrical circuit breaker with main and auxiliary circuits
07/25/1990CN1008959B Gas insulated electric power apparatus with metal enclosure
07/17/1990US4941834 Universal high voltage ground stud insulating system
06/1990
06/26/1990US4937403 Power source switching device
05/1990
05/15/1990US4926286 Enclosed switchboard
05/08/1990CA1268805A1 Drawout switchgear apparatus with retractable shutter mechanism for terminal stabs
04/1990
04/19/1990DE3834820A1 Auxiliary switch arrangement for a withdrawable circuit breaker insert
04/18/1990EP0363564A1 Secondary circuit for a slide in a switch
04/12/1990DE3834363A1 Auxiliary circuit connection for push-in apparatuses
04/04/1990EP0361633A1 Adjusting drive to operate a power switch
04/03/1990US4914549 Circuit breaker movement mechanism
03/1990
03/28/1990CN2055299U Double-decker double-circuit high-voltage carriage type switchgear
03/27/1990US4912747 Interlock device for electrical equipment
02/1990
02/14/1990CN2052970U Trolley type 3-35 kv cubicle switch board
01/1990
01/30/1990CA1265178A1 Circuit breaker having improved stab assembly
12/1989
12/13/1989CN2049417U Program control gang lock for handcart type swtich cabinet
11/1989
11/15/1989CN1037233A 断路器 Breaker
11/02/1989DE3812998A1 Housing for accommodating medium-voltage or high-voltage fuses and arrangement of the latter in the former
10/1989
10/26/1989DE3812088A1 Encapsulated high-voltage switching installation having a voltage converter
10/25/1989EP0338328A1 Partitioned switchgear cubicle
10/19/1989DE3812239C1 Partition for dividing an encapsulated high-voltage switching installation
10/18/1989EP0337270A1 Functional unit for a medium voltage metal-enclosed switchgear
10/18/1989CN2046287U Mine explosion-proof high voltage vaccum switching arrangement
10/04/1989EP0335338A2 Circuit breaker
10/03/1989CA1262182A1 Distribution system and column for electrical circuit-breakers
09/1989
09/19/1989CA1259678A1 High voltage measurement transformer for suspension from a high voltage switching apparatus
09/12/1989US4866568 Integrated transformer sectionalizing switch assembly
09/05/1989US4864466 Arc-proof shield for switch gear compartment
08/1989
08/22/1989US4860161 Enclosed switchboard
06/1989
06/29/1989DE3743245A1 Metal-encapsulated electrical medium-voltage switching installation
06/22/1989DE3741889A1 Electrical installation which is arranged in a cabinet and has a push-button switch mounted on the front
05/1989
05/02/1989US4827374 Flip out fuse assembly
04/1989
04/18/1989US4823231 Current tapping device disconnectable from an omnibus bar distribution column
03/1989
03/29/1989EP0308868A2 Enclosed switchboard
03/28/1989US4816624 Multiphase gas expansion circuit breaker for gas-insulated metalclad cell
03/21/1989US4814942 Drawout switchgear cell frame
03/16/1989DE3827171A1 Metal-encapsulated switch cabinet
03/16/1989DE3729454A1 Contact element for the power connection of a switching cabinet push-in unit of a low-voltage switching installation
03/07/1989US4810213 Low resistance electrical connecting assembly
02/1989
02/28/1989US4808910 High voltage measurement transformer for suspension from a high voltage switching apparatus
01/1989
01/24/1989US4800460 Electrical power protection technique
01/10/1989US4797516 Moldings for isolation switch and fuse clips
12/1988
12/13/1988US4791530 Insulating barrier system for switchgear
12/06/1988US4789919 Advanceable and retractable plug-on unit assembly for a motor control center
10/1988
10/18/1988CA1243391A1 Article mounting and handling method and apparatus
10/11/1988US4777559 Article mounting and handling method and apparatus
09/1988
09/29/1988DE3709227A1 Distributor arrangement for electrical loads
09/27/1988US4773870 Pull-out frame with a protective plate for a break-contact arrangement
09/06/1988US4768982 Bus bar stab insulator shroud
09/01/1988DE3705728A1 Contact connection for auxiliary circuits of push-in units
08/1988
08/30/1988US4768132 Disconnect contact arrangement for switchgear movably arranged at guides
08/30/1988US4768131 Pull-out frame with a guide rail for electric switchgear
08/24/1988EP0278984A1 Closed switchboard
08/10/1988EP0277848A1 Multiphase circuit breaker with self-expansion having per phase a gas-insulated arc extinguishing chamber
08/04/1988DE3702199A1 Contact cover for push-in appliances in switching installations
08/03/1988CN88100292A Multiphase circuit breaker for gas-insulated metalclad cell
08/02/1988US4761521 Drawout and interlock assembly for molded case circuit breakers
07/1988
07/12/1988US4757169 Electric switchgear having guiding means serving for positioning within a switchboard cell
06/1988
06/28/1988US4754367 Electric switchboard cell having a positioning drive for a movably arranged switchgear and locking device for switchboard cell door
06/21/1988CA1238358A1 Drawout switchgear having improved disconnect contacts
06/08/1988EP0269814A1 Electrical switching cell
06/01/1988DE3639766A1 Device for mounting and handling a circuit breaker plug-in unit for intermediate voltage switching installations
05/1988
05/24/1988US4747015 Gas insulated switching apparatus
05/10/1988US4744001 Contact arrangement for insertable power switches
05/10/1988US4743715 Draw-in and draw-out mechanism of an electrical circuit breaker with main and auxiliary circuits
05/03/1988US4742197 High-voltage switch
04/1988
04/27/1988EP0264763A1 Shielded electrical switchboard
04/13/1988EP0263396A1 Drawout switchgear for a shielded electrical switchboard
04/13/1988EP0263395A1 Guiding device for drawing switchgear into and out of an electrical cell
03/1988
03/22/1988US4733025 Multi-station power supply with rotary switch for connecting two stations together
03/08/1988US4730231 Gas insulated metal-clad high voltage equipment with insulating bushing
03/01/1988US4728757 Interlock scheme for drawout high amperage multi-pole circuit breaker
02/1988
02/11/1988WO1988001107A1 Closed switchboard
02/09/1988US4724288 Switchboard cell for receiving switchgear movable by positioning drive
02/09/1988US4723917 Device for low voltage electric distribution
01/1988
01/20/1988EP0253170A1 Contact arrangement for a draw-in power switch
01/14/1988DE3721575A1 Voltage converter arrangement having isolating contacts
01/14/1988DE3621748A1 Contact arrangement for a withdrawable power circuit breaker
12/1987
12/15/1987US4713501 Partitioned switching panel with insertable switching carriage and adjustable shutter mechanism
11/1987
11/10/1987US4705918 Corona shield and transmission line provided with corona shields
11/03/1987US4704507 Encapsulated pressurized gas insulated high voltage installation
10/1987
10/28/1987EP0242691A2 Gas insulated switching apparatus
10/28/1987CN87101905A Draw-in and draw-out mechanism of electrical circuit breaker with main and auxiliary circuits
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