| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 11/14/2007 | CN200976330Y Outdoor single simulation 3-core lock |
| 11/14/2007 | CN200976329Y Small-sized controlswitch lock |
| 11/14/2007 | CN200976315Y Outdoor dual-analog 3-core lock |
| 11/08/2007 | DE102006033209B3 Circuit breaker e.g. three-position circuit breaker, for use in gas-insulated switchgear, has three contact units, of which one contact unit is arranged between inner surface of one of three connections and outer surface of casing |
| 11/08/2007 | DE102006008480B4 Trenner Separator |
| 11/07/2007 | CN101067991A Load switch operation axle link lock device |
| 11/06/2007 | US7292048 Method and apparatus for measuring a dielectric response of an electrical insulating system |
| 10/31/2007 | CN200969314Y Outdoor high-voltage duplicate power supply vacuum circuit breaker |
| 10/31/2007 | CN200969309Y High-voltage isolation switch of combined lightning protection function |
| 10/31/2007 | CN100346436C Circuit breaker |
| 10/24/2007 | CN100345235C Vacuum switchgear system |
| 10/24/2007 | CN100345234C Electric operating equipment for double isolating switch |
| 10/23/2007 | US7285948 Method and apparatus providing single cable bi-directional triggering between instruments |
| 10/17/2007 | CN200962391Y A mechanical interlock adjusting device of the insulation switch and fixed breaker |
| 10/17/2007 | CN200962390Y A rotating axis and turning arm connection structure of high voltage separated switch |
| 10/17/2007 | CN200962389Y A conduction contact structure of separated switch |
| 10/17/2007 | CN200962388Y A separation switch rotating axis structure |
| 10/17/2007 | CN200962387Y An automatic positioning structure of outdoor grounding switch contact |
| 10/17/2007 | CN200962386Y A grounding device of the separation switch |
| 10/17/2007 | CN200962385Y Manual operation device of separation switch |
| 10/17/2007 | CN200962384Y Special tool for high voltage separation switch contact removal |
| 10/17/2007 | CN101055813A Three-position switch especially used for meddle voltage or high voltage switch device |
| 10/17/2007 | CN101055808A Conversion separation switch |
| 10/10/2007 | CN200959305Y Fused isolated switch |
| 10/10/2007 | CN200959304Y High-voltage isolating switch |
| 10/10/2007 | CN200959290Y Operating mechanical interlocking device against fault for high-voltage circular network cabinet |
| 10/10/2007 | CN101051568A Tripping device of load switch spring mechanism |
| 10/04/2007 | DE102006016274A1 Niederspannungsschaltgerät sowie Abschirmeinrichtung, Deckel und Grundgehäuse für ein Niederspannungsschaltgerät Low-voltage switching device as well as shielding device, the lid and the base housing for a low-voltage switching device |
| 10/03/2007 | EP1840920A2 Cover for a safety circuit breaker and safety circuit breaker |
| 10/03/2007 | CN200956328Y Outdoor high-voltage AC isolating switch |
| 10/03/2007 | CN200956327Y Isolating switch fuses |
| 10/03/2007 | CN200956314Y Electronic locking device |
| 10/03/2007 | CN200956313Y Electronic locking device |
| 10/03/2007 | CN100341088C Vacuum switch and a vacuum switchgear using the same |
| 09/27/2007 | US20070222456 Nanoscale fault isolation and measurement system |
| 09/27/2007 | DE202005021334U1 Gasisolierte Schaltanlage mit Sichtfenster zur optischen Erfassung der Schaltstellung der Schaltkontakte Gas-insulated switchgear with viewing window for visual detection of the switching position of the switch contacts |
| 09/26/2007 | CN200953308Y Interlocking and position indicating mechanism for circuit breaker cabinet |
| 09/26/2007 | CN200953307Y Anti-misoperation isolating switch locking mechanism for arc-extinguishing device use |
| 09/26/2007 | CN200953306Y High-voltage switch cubicle mechanical interlocking safety device |
| 09/26/2007 | CN200953305Y GW7 isolating switch with raising terminal |
| 09/26/2007 | CN200953297Y Movable and fixed centralizing tool for isolating switch separate assembling |
| 09/26/2007 | CN200953292Y High-voltage switch cabinet anti-misoperating interlocking device |
| 09/26/2007 | CN200953288Y Electric operating mechanism for switch equipment |
| 09/26/2007 | CN101043127A Air insulated isolation switch device |
| 09/26/2007 | CN101043126A High-voltage switch cabinet |
| 09/20/2007 | WO2007085727A3 Device for automatically earthing the neutral of an electrical appliance |
| 09/20/2007 | WO2007070288A3 Regulator bypass switch assembly |
| 09/19/2007 | CN200950415Y Combination type high voltage isolated ground switch |
| 09/13/2007 | DE19520830B4 Lagerung von Kontaktmessern in Kontaktmessergehäusen Storage of contact blades in contact blade enclosures |
| 09/12/2007 | CN200947412Y Isolating switch mechanical latch device with by-passing moving high-voltage switch cabinet |
| 09/12/2007 | CN100337375C Switch insulation component |
| 09/11/2007 | US7268558 Circuit breaker tester including a pulse width modulation circuit |
| 09/06/2007 | DE102006008480A1 Isolator for use in direct voltage intermediate circuit of converter arrangement, has partial current bus bars whose free ends form contact finger that is formed such that generated magnetic force increases pressing force on movable contact |
| 09/05/2007 | CN200944367Y Contact knife stretching regulator of indoor high-voltage isolating switch |
| 09/05/2007 | CN200944366Y Indoor high-voltage rotary isolating switches |
| 08/30/2007 | WO2007096302A1 Electrical switching device |
| 08/30/2007 | DE10211925B4 Unterbrechervorrichtung Breaker device |
| 08/23/2007 | US20070198148 Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities |
| 08/22/2007 | EP1269499B1 Circuit breaker |
| 08/22/2007 | CN2938371Y Isolating switch main contact device of circuit breaker combined electric equipment |
| 08/22/2007 | CN1333502C Gas insulated switchgear |
| 08/21/2007 | US7259567 Power tester for electrical outlets |
| 08/15/2007 | CN2935449Y Main shaft and earthing rotation shaft link mechanism of segregate switch |
| 08/15/2007 | CN2935448Y Mechanical program interlocking of outdoor breaker and isolating switch combined electrical equipment |
| 08/15/2007 | CN2935447Y Link mechanism of outdoor segregate switch mechanism and operation connected shaft |
| 08/15/2007 | CN2935446Y Contact finger structure of outdoor isolating switch |
| 08/15/2007 | CN2935445Y Hook lock safety device of contact finger, contact head part of outdoor segregate switch |
| 08/15/2007 | CN2935444Y Contact matching structure of contact knife and contact head of high-voltage ground switch |
| 08/15/2007 | CN2935443Y Porcelain vase fixation pedestal buffer structure for outdoor isolating switch |
| 08/15/2007 | CN2935442Y Main shaft and earthing rotation shaft interlinking mechanism of high-voltage segregate switch |
| 08/15/2007 | CN2935441Y Contact structure of indoor high-tension isolating switch |
| 08/15/2007 | CN2935440Y Integrative pedestal for outdoor high-voltage segregate switch |
| 08/15/2007 | CN2935439Y Conductive device of low-resistance voltage sharing high-voltage segregate switch |
| 08/15/2007 | CN2935438Y Low-resistance conductive device of high-voltage segregate switch |
| 08/15/2007 | CN2935418Y Breaker group with interlocking device |
| 08/15/2007 | CN2935417Y Enforced remote-determined anti-error operation operating control device |
| 08/15/2007 | CN101017739A Linked middle voltage switch with load, insulation, grounding electric function |
| 08/08/2007 | CN1331177C Vacuum switching apparatus |
| 08/07/2007 | US7253639 Insulation resistance deterioration detection method and insulation resistance deterioration detection device for motor, and motor driver |
| 08/07/2007 | CA2451174C Base assembly for an insulator assembly |
| 08/02/2007 | WO2007085727A2 Device for automatically earthing the neutral of an electrical appliance |
| 08/02/2007 | WO2007085425A1 Contact system for a short-circuiting device in a medium-voltage or high-voltage switchboard plant |
| 08/01/2007 | EP1814131A2 Vacuum insulated switchgear |
| 08/01/2007 | CN1329933C Fast involute grounding switch with ultrahigh-voltage |
| 07/26/2007 | DE102006033766A1 Kontaktanordnung für eine Kurzschließeinrichtung in einer Mittel- oder Hochspannungsschaltanlage Contact arrangement for a short-circuiting device in a medium or high voltage switchgear |
| 07/25/2007 | CN2927306Y Scissors-type grounded switch |
| 07/25/2007 | CN101004985A Isolated vacuum breaker |
| 07/24/2007 | US7247804 Switch for high voltage and/or current |
| 07/18/2007 | CN101000830A Installation auxiliary device for large power isolator operating mechanism |
| 07/17/2007 | US7245473 Switchable lightning arrester system |
| 07/17/2007 | US7244903 Vacuum switchgear |
| 07/12/2007 | WO2007078285A1 Variable frequency drive system apparatus and method for reduced ground leakage current and transistor protection |
| 07/12/2007 | WO2007077108A1 Switching point of an electrical switching device and method for moving a switching piece of a switching point |
| 07/12/2007 | US20070158311 Three-position ground switch |
| 07/12/2007 | CA2635240A1 Variable frequency drive system apparatus and method for reduced ground leakage current and transistor protection |
| 07/11/2007 | CN2922103Y Outdoor high-voltage isolating switch closing, separating device |
| 07/11/2007 | CN2922102Y High-voltage automatic commutation switch |
| 07/11/2007 | CN2922101Y Strain-resisting type high-voltage fuse protecting switch |
| 07/11/2007 | CN1996526A Indoor integrated insulation switch |
| 07/05/2007 | WO2006058102A3 Method and machine for repetitive testing of an electrical component |