Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434) |
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02/03/2011 | DE102009035299A1 Arrangement for interrupting current flow in e.g. limiter, has contact pieces with coils wound such that current is guided through coils during flow of current to move pieces from one position into another position based on force |
01/25/2011 | US7876181 Earth leakage circuit breaker |
01/20/2011 | DE102009031138A1 Switching device, particular circuit breaker, for selectively switching off electrical conductor, comprises multiple current branches, where multiple switching elements are opened by triggering one of multiple overload releasing elements |
01/18/2011 | US7872552 Method and device for the secure operation of a switching device |
01/18/2011 | US7872378 Power management system |
01/05/2011 | EP2270829A1 Controlling via a device for magnetic compensation of repulsion forces and contactor comprising such a device |
01/04/2011 | US7864005 Arc-fault circuit interrupter device |
01/04/2011 | US7864004 Activation for switching apparatus |
12/28/2010 | US7859802 Burden resistor temperature compensation algorithm |
12/28/2010 | US7859369 Method of bi-directional thermal calibration of a circuit interrupter frame and circuit interrupter test system including the same |
12/28/2010 | US7859368 Circuit interrupting device with automatic components detection function |
12/09/2010 | US20100308943 Residual-current circuit breaker |
12/01/2010 | EP1508150B1 Overvoltage protection device |
11/30/2010 | US7843289 High reliability microwave mechanical switch |
11/23/2010 | US7839241 Electrical service switching device |
11/18/2010 | WO2010130414A1 Electromagnetic trip device |
11/18/2010 | CA2761830A1 Electromagnetic trip device |
11/17/2010 | EP2251887A1 Electromagnetic trip device |
11/09/2010 | US7830231 Trip actuator including a thermoplastic bushing, and trip unit and electrical switching apparatus including the same |
10/12/2010 | US7812695 Tie bar for three pole switching device |
10/07/2010 | DE202010009949U1 Strombegrenzungssystem Current limiting system |
09/23/2010 | US20100238611 Low-profile electronic circuit breakers, breaker tripping mechanisms, and systems and methods of using same |
09/15/2010 | EP2228815A2 Circuit breaker with blow-open contact arm provided with arc gas shield |
09/15/2010 | EP2228814A2 Circuit breaker with blow-open contact arm. |
09/08/2010 | CN1983493B Safety double-brake switch structure |
09/02/2010 | DE102009010900A1 Actuator for electrical switching arrangement, has flow path arranged in Bowden cable, where two switching contacts are separated, when current flowing through switching contacts has exceeded certain threshold |
08/26/2010 | DE102009010229A1 Tripping device for electrical switching arrangement, has switch, which is operated by pressure, where electrical signal of converter is provided with operating element |
08/26/2010 | DE102009010227A1 Tripping device e.g. energy tripping device, has switch that exhibits pressure transducer with electrical output, where electrical output emits electrical signal that is proportional to pressure for operating switching mechanism |
08/17/2010 | US7777601 Circuit breaker |
08/10/2010 | US7772943 Design and method for keeping electrical contacts closed during short circuits |
07/29/2010 | DE102009006346A1 Protection device for electrical equipment utilized for e.g. commercial purpose, is designed such that surge arrester is provided in one position to trigger fault-current circuit breaker |
07/20/2010 | US7760055 Method and device for the secure operation of a switching device |
07/06/2010 | US7750766 Automatic circuit breaker with tripping device activated by a movable contact |
07/01/2010 | US20100164657 Add-On Trip Module For Multi-Pole Circuit Breaker |
06/17/2010 | US20100148893 Electrical switching apparatus and shunt separator therefor |
06/10/2010 | DE19757179B4 Elektrodynamisch beaufschlagbares Kontaktsystem Electric Dynamic acted upon contact system |
06/08/2010 | US7733199 Electrical circuit breaker having a protective function |
06/03/2010 | US20100134221 Add-on trip module for multi-pole circuit breaker |
06/03/2010 | US20100134220 Add-on trip module for multi-pole circuit breaker |
05/26/2010 | CN101714483A A compact circuit breaker mechanism |
04/27/2010 | US7706927 Circuit breaker configuration |
04/14/2010 | CN1763884B Electromechanical trigger and an electronical safety appliance with the same |
04/08/2010 | US20100085136 Electrical switching apparatus and trip actuator assembly therefor |
04/01/2010 | DE102008049997A1 Electrical switch i.e. molded case circuit breaker, has locking mechanism locking contact element in OFF position in form-fit or force-fit manner, where position of contact element is detected by releaser |
03/23/2010 | US7683745 Ground fault circuit interrupter device |
03/23/2010 | US7683276 Electrical switching apparatus and pole shaft assembly therefor |
03/19/2010 | CA2678379A1 Circuit breaker with improved arc quenching |
03/17/2010 | CN201425926Y Single-phase circuit breaker |
03/16/2010 | US7679478 Lighting control module mechanical override |
03/10/2010 | CN201421813Y Electric closed-type current protector |
02/25/2010 | DE102008039066A1 Circuit-breaker for interrupting current flow, has press element arranged at bridging element for pressing surface of bridging element against component or housing in deflecting position, where housing comprises two contacts |
02/04/2010 | DE112007003283T5 Doppelunterbrechungskontaktsystem für einen Niederspannungsleistungsschalter und das Doppelunterbrechungskontaktsystem umfassender Kompaktleistungsschalter Double break contact system for low voltage circuit breakers and the double break contact system of comprehensive molded case circuit breakers |
01/28/2010 | WO2010010061A1 Apparatus for shutting off a fault current in a current-carrying line |
01/19/2010 | US7649433 Circuit breaker with magnetically-coupled trip indicator |
01/12/2010 | US7646269 Electrical switching apparatus, and conductor assembly and shunt assembly therefor |
12/24/2009 | US20090315652 Locking mechanism for protecting a ground fault circuit interrupter from faulty resetting |
12/15/2009 | US7633365 Circuit breaker apparatus |
12/10/2009 | US20090302978 Method of bi-directional thermal calibration of a circuit interrupter frame and circuit interrupter test system including the same |
11/25/2009 | CN101589447A A double-breaking contact system for a low voltage circuit breaker, a molded case circuit breaker comprising the double-breaking contact system, and a method for breaking a circuit |
11/24/2009 | US7623010 Electrical switch |
11/12/2009 | US20090279216 Adjustable Rating for a Fault Interrupter and Load Break Switch |
11/12/2009 | US20090278634 Multiple Arc Chamber Assemblies for a Fault Interrupter and Load Break Switch |
11/11/2009 | CN101577198A 过载保护开关 Overload protection switch |
10/21/2009 | CN201332078Y Gear-shift brake-opening/closing operation device for residual current circuit breaker |
10/21/2009 | CN201332070Y Autoreclose breaker |
10/15/2009 | US20090256657 breaker interlock system and method |
10/14/2009 | CN101556881A High-voltage circuit-breaker connector and high-voltage circuit breaker using same |
10/06/2009 | US7598830 Electromagnetic coil apparatus employing a magnetic flux enhancer, and accessory and electrical switching apparatus employing the same |
10/06/2009 | US7598828 Protection device with a sandwiched cantilever breaker mechanism |
09/30/2009 | CN101546679A Single-phase circuit breaker |
09/22/2009 | US7592888 Low cost user adjustment, resistance to straying between positions, increased resistance to ESD, and consistent feel |
09/10/2009 | DE19933919B4 Bewegbarer Kontakt mit niedrigem elektrischen Widerstand Moveable contact with low electrical resistance |
08/27/2009 | DE102008007364A1 Rotary contact system for circuit-breaker, has metal strip comprising curved contact end bent to loop such that end piece is plunged into recess, which lies opposite to movable switching contact |
08/27/2009 | DE102005049181B4 Dreipoliger Leistungsschalter und Verfahren zu seiner Herstellung Three-pole circuit breaker and process for its preparation |
08/25/2009 | US7579933 Electrical installation switching device |
08/19/2009 | CN201294207Y Creepage breaker gear and on-off type brake-switching device thereof |
08/13/2009 | US20090201109 Circuit breaker |
08/13/2009 | DE19951042B4 Unterbrecher-Betätigungsmechanismus mit klappbarer Kontaktarm-Verbindungsanordnung Breaker operating mechanism with foldable contact connector assembly |
08/06/2009 | DE102008007365A1 Three-pole switching device i.e. molded case circuit breaker power switching device, has contact spring elements tiltably mounted for purpose of three-point mounting in support point in selector shaft segment and connected with contact arms |
08/06/2009 | DE102008007363A1 Drehkontaktsystem für ein Schaltgerät sowie Schaltgeräte mit einem derartigen Drehkontaktsystem Rotary contact system for a switching device and switching devices with such a rotary contact system |
08/04/2009 | US7570140 Magnetic trip mechanism including a plunger member engaging a support structure, and circuit breaker including the same |
08/04/2009 | US7569784 Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor |
07/21/2009 | US7564329 Ground fault circuit interrupter device |
07/15/2009 | EP2079088A2 Switching device, in particular voltage switching device with two switched switch contact pairs arrayed in a row for interrupting an electricity flow. |
07/08/2009 | CN100511550C Contactor device of circuit breaker |
07/07/2009 | US7557681 Electrical switching apparatus accessory sub-assembly employing reversible coil frame, and accessory and electrical switching apparatus employing the same |
07/02/2009 | US20090167468 Electrical circuit breaker having a protective function |
06/10/2009 | DE102007059043A1 Installationsschaltgerät mit einer Doppelunterbrechung Installation switching device with a double break |
06/10/2009 | DE102007059017A1 Installationsschaltgerät mit einer Doppelunterbrechung Installation switching device with a double break |
06/09/2009 | US7545245 Manual opening device and electrical switching apparatus employing the same |
06/03/2009 | CN100495621C Circuit control protector |
06/02/2009 | US7541899 Multi-pole circuit breaker and apparatus for preventing deformation of driving shaft thereof |
05/26/2009 | US7538644 Multi-pole circuit breaker |
05/21/2009 | US20090128265 Secondary trip system for circuit breaker |
05/05/2009 | US7528690 Electrical switching device |
04/29/2009 | CN101421812A Slot motor and circuit breaker including the same |
04/28/2009 | US7525402 Circuit interruption device with indicator having function of auto-monitoring and multi-protecting circuit |
04/23/2009 | US20090102584 Multiple Axis Transmission System |
04/22/2009 | CN101416264A Circuits breaker having resetting function and breaking function for abnormal current |
04/22/2009 | CN100481298C Switching device |