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Class Information
Number: 361/621
Name: Electricity: electrical systems and devices > Housing or mounting assemblies with diverse electrical components > For electrical power distribution systems and devices > Electrical switchgear > Having isolating switch
Description: Subject matter wherein the electrical switchgear comprises a device intended to separate an electric circuit from the power source with no interrupting rating and intended to be operated only after the circuit has been opened by some other means.










Patents under this class:

Patent Number Title Of Patent Date Issued
8576545 Switchgear Nov. 5, 2013
8570714 Electrical distribution panel Oct. 29, 2013
8520368 Gas insulated switchgear Aug. 27, 2013
8462486 Gas-insulated medium-voltage switchgear assembly Jun. 11, 2013
8411418 Vacuum insulated switchgear Apr. 2, 2013
8248761 Motor control center and subunit therefor Aug. 21, 2012
8243422 Motor control center and subunit therefor Aug. 14, 2012
8228665 Gas insulated switchgear Jul. 24, 2012
8000087 Gas insulated switchgear Aug. 16, 2011
7944680 High-voltage switchgear May. 17, 2011
7715178 Digital signage replacement module May. 11, 2010
7400493 Circuit breaking link status detection and reporting circuit Jul. 15, 2008
7142410 Transformer with housing and switch gear Nov. 28, 2006
6917515 Electrical component having a housing retained in a receiving groove in a support through a retaining device Jul. 12, 2005
6111745 Switchgear conductors and mounting arrangements therefor Aug. 29, 2000
5589674 Metal-encapsulated, gas-insulated switching installation Dec. 31, 1996
5578804 Metal-enclosed gas-insulated switching installation Nov. 26, 1996
5134542 Three-phase package-type gas-insulated switch gear having isolators being aligned in a first plane and earthing switches disposed laterally side by side on a second plane Jul. 28, 1992
4984131 Electrical disconnect method and apparatus Jan. 8, 1991
4774628 Metalclad substation subdivided into tight compartments Sep. 27, 1988
4447682 Isolation shields for a 2500-4000 amp circuit breaker compartment May. 8, 1984
4004118 Metal clad monophase switchgear panels for high voltages and polyphase switching plants consisting of such switchgear panels Jan. 18, 1977
3991348 Apparatus for controlling access to high voltage metal-enclosed switchgear Nov. 9, 1976











 
 
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