Patents
Patents for H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696)
08/2009
08/26/2009CN201298517Y Ring network switchgear
08/26/2009CN201298516Y Synchronous auxiliary contact of a miniature circuit breaker
08/26/2009CN201298515Y Overload protection electronic miniature current leakage breaker
08/26/2009CN201298504Y Contact device of circuit breaker with auto-lock function
08/25/2009US7580235 Systems and methods for monitoring and controlling circuit breakers
08/25/2009US7579933 Electrical installation switching device
08/25/2009CA2510120C Remote control wiring mechanism
08/20/2009US20090206964 Mechanical interlock for circuit breaker to prevent relatching of the breaker
08/20/2009DE102008009439A1 Electrical circuit-breaker, has contact connected with terminals by paths running parallel to fixed pieces at side turned away from movable pieces in area of fixed pieces, where current flows in area along certain direction
08/20/2009DE102007004920B4 Schutzschalter, insbesondere Leistungsschutzschalter, und thermischen Auslöser für einen Schutzschalter Breaker, in particular circuit breakers, and thermal release for a circuit breaker
08/19/2009CN201294301Y Special-purpose power socket for charging electric vehicle battery
08/19/2009CN201294208Y Emergency movable contact of high voltage link
08/19/2009CN201294206Y Creepage protector
08/19/2009CN201294205Y Ultra-high disjunction current-limiting specific throw-in type circuit breaker
08/19/2009CN101512703A Protection apparatus for an electrical load
08/18/2009CA2654660A1 Trip actuator including a thermoplastic bushing, and trip unit and electrical switching apparatus including the same
08/13/2009DE102008008032A1 Release device for releasing electrical switch, has elements that are arranged such that one of elements causes release movement of other element during execution of release movement, where latter element is moved along with former element
08/12/2009CN201289830Y Electrical installation switch device
08/12/2009CN101505054A Current limiting circuit breaker
08/12/2009CN101503540A Arc-extinguishing processed resin article and circuit breaker that uses same
08/06/2009US20090195337 Manually selectable instantaneous current settings for a trip unit and electrical switching apparatus including the same
08/06/2009DE19727732B4 Kombinationsschaltgerät Combination switching device
08/05/2009CN201285744Y Circuit breaker with quenching chamber
08/05/2009CN101499387A Attaching apparatus of circuit board breaker and circuit board breaker equipped with the same
08/05/2009CN101499386A Protection apparatus for magnetic experiment contact head of plastic shell type circuit breaker and its use method
08/04/2009US7570146 Circuit breaker including ambient compensation bimetal holding and releasing arc fault indicator
08/04/2009US7570140 Magnetic trip mechanism including a plunger member engaging a support structure, and circuit breaker including the same
07/2009
07/29/2009EP1897111B1 Contact system, especially for a switchgear
07/29/2009CN101494140A Protection relay of manual reset power supply
07/29/2009CN100521031C Heat-actuated breaking device and circuit-breaker using the same
07/23/2009WO2009090001A1 Packet cam switch
07/23/2009US20090184787 Protective Device Having a Thin Construction
07/23/2009CA2725401A1 Multi-position rotary switch
07/22/2009EP2081202A2 Switching device, in particular circuit breaker
07/22/2009CN101488426A Gassing insulator assembly, conductor assembly and electrical switching apparatus employing the same
07/22/2009CN101488425A Circuit breaker
07/15/2009EP2079088A2 Switching device, in particular voltage switching device with two switched switch contact pairs arrayed in a row for interrupting an electricity flow.
07/15/2009CN101483122A Disposal contact for handcart type high voltage circuit breaker
07/15/2009CN100514527C Arc suppressing device of intelligent plastic casing break
07/15/2009CN100514526C Movable contact of low-voltage circuit breaker
07/10/2009CA2648621A1 Operating handle locking apparatus and electrical switching apparatus including the same
07/08/2009EP1475817B1 Circuit breaker
07/08/2009CN201270231Y Embedded micro low voltage circuit breaker
07/08/2009CN100511550C Contactor device of circuit breaker
07/08/2009CN100511548C Electric current shut-off device having complete discrimination of states
07/07/2009US7557688 Housing configuration for a pyromechanical disconnecting device
07/02/2009US20090168273 Hybrid high voltage dc contactor with arc energy diversion
07/01/2009CN201266587Y High voltage multifunctional circuit breaker
07/01/2009CN201266586Y Contact system of circuit breaker
06/2009
06/30/2009US7554781 Protective device with an auxiliary switch
06/25/2009DE102008062250A1 Installationsschaltgerät mit einem Isollierstoffgehäuse Installation switching device having a Isollierstoffgehäuse
06/18/2009US20090154049 Network equipment system providing surge protection and DC blocking bypass functionalities
06/18/2009DE102008039935A1 Thermisch auslösbares Überlastrelais Thermal overload relays releasable
06/17/2009CN201259872Y Circuit breaker handle capable of assembling and disassembling
06/17/2009CN101461023A Protection switch
06/09/2009US7545245 Manual opening device and electrical switching apparatus employing the same
06/09/2009US7545244 Circuit breaker with independent trip and reset lockout
06/04/2009DE102006033717B4 Justierbarer Kurzschlussauslöser Adjustable short-circuit release
06/03/2009CN201252072Y 双向磁控断路器 Bidirectional magnetic circuit breakers
06/03/2009CN201252071Y Single-phase two-pole small-sized plug-pull type circuit breaker
05/2009
05/28/2009WO2009065706A2 Arc gas exhaust passage for a circuit breaker with a double break contact arrangement
05/28/2009WO2009065705A1 Arc chamber for a switching device, and switching device comprising said arc chamber.
05/27/2009CN201247748Y Miniature circuit breaker with thermal overload alarm device
05/27/2009CN101441958A Minitype breaker capable of indicating operating status employing lamplight
05/27/2009CN100492576C Breaker for providing successive trip mechanism based on PTC current-limiting device
05/26/2009US7538990 High voltage DC contactor hybrid without a DC arc break
05/20/2009EP2061061A1 Leakage circuit breaker
05/20/2009EP2059941A1 Auxiliary contact block for expanding a switching device
05/20/2009CN201242987Y Fuse combined mechanism for preventing outdoor transformer from running with phase lack
05/20/2009CN201242986Y Night field circuit breaker
05/20/2009CN201242970Y Outdoor on-pole vacuum loaded switch falling fuse composite apparatus
05/20/2009CN101436495A Arc chamber and circuit breaker equipped with such an arc chamber
05/20/2009CN101436491A Electrical switchgear
05/20/2009CN101436474A Electrical switching apparatus, and arc hood assembly and chimney therefor
05/20/2009CN100490046C Safety switch comprising a bimetallic snap disk
05/13/2009CN201238020Y Free-tripping actuating mechanism of miniature circuit breaker
05/13/2009CN201238019Y Free-tripping actuating mechanism of miniature circuit breaker
05/13/2009CN201238018Y Fast closing mechanism of miniature circuit breaker
05/13/2009CN201238017Y Simple operation mechanism of breaker
05/13/2009CN101432836A Devices, systems, and methods for shunting a circuit breaker
05/13/2009CN101431236A Arc flash elimination system, apparatus, and method
05/12/2009US7532096 Auxiliary switch including movable slider member and electric power apparatus employing same
05/07/2009WO2009055853A1 High voltage saturated core fault current limiter
05/06/2009EP2054908A1 Medium-voltage circuit-breaker
05/06/2009CN101425433A Circuit breaker having secondary protection function
05/06/2009CN101425431A Circuit breaker having remote control function
05/06/2009CN100485846C Plug-in type terminal device for circuit breaker
05/06/2009CN100485840C Arc arrester and switch having same
05/05/2009US7528734 System and method for automatically detecting power supply voltage
04/2009
04/29/2009CN101419885A Water drainage device for main circuit breaker of railway engine
04/29/2009CN101419884A Super high drudging current limiting special throw-in type circuit breaker
04/29/2009CN100483601C Air pressure arc-extinguishing device of the breaker
04/29/2009CN100483600C Gas-pushing arc-extinguishing device of the breaker
04/29/2009CN100483599C Arc-extinguishing device of the breaker
04/29/2009CN100483596C Breaker rotating axis component for preventing electric arc form back burning
04/29/2009CN100483595C Reed rotating axis locking mechanism
04/28/2009US7525402 Circuit interruption device with indicator having function of auto-monitoring and multi-protecting circuit
04/22/2009CN101414529A Inserting circuit breaker
04/22/2009CN100481297C Circuit breaker
04/15/2009CN201222470Y Current overload protector capable of manual reset
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