| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 02/06/2013 | CN202721379U Isolation/grounding switch applied to metal closed switch device |
| 02/06/2013 | CN202721073U Grounding switch used for direct current valve hall |
| 02/06/2013 | CN202721072U Grounding switch used for direct current valve hall and grounding conduction rod mechanism thereof |
| 02/06/2013 | CN202721071U Isolation switch interlocking device |
| 02/06/2013 | CN202721070U Isolation switch common static contact static base interlocking structure |
| 02/06/2013 | CN202721069U Integral isolation switch base |
| 02/06/2013 | CN202721068U Adjustable isolation switch base |
| 02/06/2013 | CN202721067U Beating grounding switch quick-acting mechanism |
| 02/06/2013 | CN202721066U Spring applied to outdoor high-voltage isolation switch |
| 02/06/2013 | CN202721065U Disconnecting link structure |
| 02/06/2013 | CN202721064U Combined type static contact assembly of high-voltage isolating switch |
| 02/06/2013 | CN202721035U Grounding switch conductor structure |
| 02/06/2013 | CN102918616A Device for selecting the operating mode of an electrical switch actuator |
| 02/06/2013 | CN102915862A Mechanical interlocking transmission device of isolating switch |
| 01/31/2013 | DE102011118894B3 Hochstromschalter High current switch |
| 01/30/2013 | EP2551876A2 Gas insulated switchgear |
| 01/30/2013 | CN202712030U Multi-breakpoint isolating switch |
| 01/30/2013 | CN202712029U Indoor high voltage isolation switch interlocking device |
| 01/30/2013 | CN202712028U Switch operation interlocking mechanism ground driving device |
| 01/30/2013 | CN202712027U Three-station load switch operation mechanism |
| 01/30/2013 | CN202712026U Stably connected isolating switch |
| 01/30/2013 | CN202712025U Isolating switch convenient to operate |
| 01/30/2013 | CN202712024U Isolating switch |
| 01/30/2013 | CN202712023U Three-position two-connection high voltage isolating switch |
| 01/30/2013 | CN202712022U Positioning operation device for isolation switch |
| 01/30/2013 | CN202712021U Three-working-position isolating switch |
| 01/30/2013 | CN202712020U Isolating switch used for 10kV solid insulation switch cabinet |
| 01/30/2013 | CN202712019U Three-position switch with outer surface coated with insulating layer |
| 01/30/2013 | CN102903563A Five-prevention operating mechanism of high-tension switch cabinet |
| 01/30/2013 | CN102903562A Lower door interlocking mechanism for central-positioned type switch equipment |
| 01/30/2013 | CN102903561A Transmission connecting rod of disconnecting switch |
| 01/30/2013 | CN102903560A Main conductive tube of megavolt isolating switch and manufacture method thereof |
| 01/30/2013 | CN102903559A Earthing switch |
| 01/30/2013 | CN102903558A Insulation switch for subway |
| 01/30/2013 | CN101911412B Three-positions disconnector for medium voltage panels |
| 01/29/2013 | CA2633136C Regulator bypass switch assembly |
| 01/24/2013 | WO2013012804A1 Method and system for estimating transformer remaining life |
| 01/24/2013 | WO2013010378A1 High-voltage switch permanent magnet operating mechanism with adjustable attractive force characteristic |
| 01/24/2013 | WO2012166437A3 Grounding switch |
| 01/24/2013 | US20130021038 Insulation failure diagnosis apparatus and method of diagnosing insulation failure |
| 01/23/2013 | CN202695262U Disconnecting link misoperation preventing mechanism of electrical five-prevention 10kV switch cabinet |
| 01/23/2013 | CN202695261U High-voltage isolating switch contact |
| 01/23/2013 | CN202695260U End beam component for isolation switch |
| 01/23/2013 | CN202695259U Single pole vertical type disconnecting switch |
| 01/23/2013 | CN202695258U Connection structure for contact of three-station isolation switch |
| 01/23/2013 | CN202695183U Three-position load switch operating mechanism |
| 01/23/2013 | CN102893361A Actuation control and control method, particularly for electrical disconnectors |
| 01/23/2013 | CN102891033A Intelligent outdoor high-voltage alternating-current isolating switch |
| 01/23/2013 | CN101944455B Isolating switch fuse set with locking function while separating brake |
| 01/22/2013 | US8358140 Method for testing the functionality of a field device for an industrial process and field device for an industrial process |
| 01/17/2013 | WO2013007101A1 Three-station isolation grounding switch |
| 01/16/2013 | EP2546850A2 Switchgear and method for operating switchgear |
| 01/16/2013 | EP2545573A1 Hybrid circuit breaker using a switch having return upon closure |
| 01/16/2013 | CN202678185U Switch interlocking structure of breaker mechanism |
| 01/16/2013 | CN202678184U Isolation switch auxiliary static contact and isolation switch static contact |
| 01/16/2013 | CN202678183U A three-operating-position isolation grounding switch |
| 01/16/2013 | CN202678182U Antifouling isolation switch contact |
| 01/16/2013 | CN202678181U Bearing seat device of high-voltage isolating switch |
| 01/16/2013 | CN202678180U Wall-hanging indoor high-voltage alternating current (AC) air-compressing type load switch |
| 01/16/2013 | CN102881507A Contact connector of isolating switch |
| 01/16/2013 | CN102881506A Single-arm folding inserting type extra-high-voltage direct-current disconnecting switch |
| 01/16/2013 | CN102881505A Rail transit grounding device |
| 01/16/2013 | CN102881504A Operating mechanism for rail transit grounding device |
| 01/16/2013 | CN101710544B Electric operating device of indoor high-voltage isolating switch |
| 01/09/2013 | EP2544203A1 Electrical high voltage circuit breaker and method for opening same |
| 01/09/2013 | CN202662520U Load switch of 24-KV inflating cabinet |
| 01/09/2013 | CN202662519U Isolation switch |
| 01/09/2013 | CN102867676A Improved isolating switch unit |
| 01/09/2013 | CN101916685B 1100kV ultra-high voltage isolating switch for opening and closing switching current of high-parameter bus |
| 01/09/2013 | CN101821826B Switch |
| 01/09/2013 | CN101459011B Fuse body group cover for load isolating switch |
| 01/08/2013 | US8350415 Switch circuit with inductive load and capacitor |
| 01/02/2013 | CN202650946U Compact grounding isolation three-station switch |
| 01/02/2013 | CN202650945U Switching-on and locking apparatus for high voltage switch operating mechanism |
| 01/02/2013 | CN202650944U High-voltage isolating switch |
| 01/02/2013 | CN202650943U High-voltage isolation switch copper pipe conducting bar |
| 01/02/2013 | CN202650942U Knife switch junction box apparatus of low-impedance high-voltage isolation switch |
| 01/02/2013 | CN202650941U High-voltage direct current isolating switch capable of moving vertically and horizontally |
| 01/02/2013 | CN202650940U Split-type grounding switch |
| 01/02/2013 | CN202650939U Grounding knife switch apparatus of novel high-voltage isolating switch |
| 01/02/2013 | CN202650882U A rack of grounding switches |
| 01/02/2013 | CN102856113A Electric locking circuit of maintenance backdoor of high-voltage power distribution cabinet |
| 01/02/2013 | CN102856112A 10kV outdoor isolating switch structure |
| 01/02/2013 | CN102856111A Grounding cutter of rail traffic grounding device |
| 01/02/2013 | CN101714476B High-voltage isolating switch |
| 01/02/2013 | CA2791871A1 Transfer switch for sequentially derived system |
| 01/01/2013 | US8344737 Relay circuit tester device |
| 01/01/2013 | US8344736 Identifying improper cabling of devices |
| 12/27/2012 | WO2012175366A1 Cable isolating device integrated in a solid insulation body |
| 12/26/2012 | CN202633147U Interlocking device for double-throw disconnecting switch |
| 12/26/2012 | CN202633146U Fixed high-voltage switch cabinet interlocking mechanism |
| 12/26/2012 | CN202633145U Single-insulation strut high-voltage isolation switch |
| 12/26/2012 | CN202633144U Disconnecting switch base seat bird prevention cover |
| 12/26/2012 | CN202633143U Contact spring of disconnecting switch |
| 12/26/2012 | CN202633142U Isolating switch skeleton |
| 12/26/2012 | CN202633141U Contact piece structure of isolating switch |
| 12/26/2012 | CN202633140U Isolating switch shunting apparatus |
| 12/26/2012 | CN202633139U Three-station isolating grounding switch with double guiding rod and connection rod transmission structure |
| 12/26/2012 | CN202633075U Three-working-position electric operation mechanism for switching device |
| 12/26/2012 | CN102844830A Hybrid circuit breaker using a switch having return upon closure |