Class 218/10 - Vacuum switch

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter wherein the contacts are enclosed in an evacuated
No. of applications: 4
Last issue date: 04/16/2009

Application No.	Application Title	Issue Date
20090095716	Circuit Breaker A circuit breaker has a nominal current contact arrangement with a nominal current contact and a nominal current mating contact that are movable relative to each other, and with an arc contact arrangement that has an arc contact and an arc mating contact that are movabl...	04/16/2009
20070295691	Vacuum recloser A vacuum recloser including a first connection section adapted to connect to a first electrical conductor; a second connection section mechanically connected to the first connection section; and an arm connected between the first and second connection sections. The seco...	12/27/2007
20070175866	VACUUM INSULATED SWITCHGEAR A vacuum insulated switchgear comprising a case having a switch section, a bus-bar section and a cable section, each being partitioned by an earthed metal plate, a vacuum double break three point switch disposed in the switch section and having breaking and disconnectin...	08/02/2007
20060186090	Breaker for providing successive trip mechanism based on PTC current-limiting device Disclosed is a breaker for providing successive trip mechanism based on PTC current-limiting device, which includes a first switch having first fixed/movable contact points; a second switch having second fixed/movable contact and connected to the first switch in paralle...	08/24/2006

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