Patents
Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434)
02/2011
02/03/2011DE102009035299A1 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
01/2011
01/25/2011US7876181 Earth leakage circuit breaker
01/20/2011DE102009031138A1 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
01/18/2011US7872552 Method and device for the secure operation of a switching device
01/18/2011US7872378 Power management system
01/05/2011EP2270829A1 Controlling via a device for magnetic compensation of repulsion forces and contactor comprising such a device
01/04/2011US7864005 Arc-fault circuit interrupter device
01/04/2011US7864004 Activation for switching apparatus
12/2010
12/28/2010US7859802 Burden resistor temperature compensation algorithm
12/28/2010US7859369 Method of bi-directional thermal calibration of a circuit interrupter frame and circuit interrupter test system including the same
12/28/2010US7859368 Circuit interrupting device with automatic components detection function
12/09/2010US20100308943 Residual-current circuit breaker
12/01/2010EP1508150B1 Overvoltage protection device
11/2010
11/30/2010US7843289 High reliability microwave mechanical switch
11/23/2010US7839241 Electrical service switching device
11/18/2010WO2010130414A1 Electromagnetic trip device
11/18/2010CA2761830A1 Electromagnetic trip device
11/17/2010EP2251887A1 Electromagnetic trip device
11/09/2010US7830231 Trip actuator including a thermoplastic bushing, and trip unit and electrical switching apparatus including the same
10/2010
10/12/2010US7812695 Tie bar for three pole switching device
10/07/2010DE202010009949U1 Strombegrenzungssystem Current limiting system
09/2010
09/23/2010US20100238611 Low-profile electronic circuit breakers, breaker tripping mechanisms, and systems and methods of using same
09/15/2010EP2228815A2 Circuit breaker with blow-open contact arm provided with arc gas shield
09/15/2010EP2228814A2 Circuit breaker with blow-open contact arm.
09/08/2010CN1983493B Safety double-brake switch structure
09/02/2010DE102009010900A1 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
08/2010
08/26/2010DE102009010229A1 Tripping device for electrical switching arrangement, has switch, which is operated by pressure, where electrical signal of converter is provided with operating element
08/26/2010DE102009010227A1 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
08/17/2010US7777601 Circuit breaker
08/10/2010US7772943 Design and method for keeping electrical contacts closed during short circuits
07/2010
07/29/2010DE102009006346A1 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
07/20/2010US7760055 Method and device for the secure operation of a switching device
07/06/2010US7750766 Automatic circuit breaker with tripping device activated by a movable contact
07/01/2010US20100164657 Add-On Trip Module For Multi-Pole Circuit Breaker
06/2010
06/17/2010US20100148893 Electrical switching apparatus and shunt separator therefor
06/10/2010DE19757179B4 Elektrodynamisch beaufschlagbares Kontaktsystem Electric Dynamic acted upon contact system
06/08/2010US7733199 Electrical circuit breaker having a protective function
06/03/2010US20100134221 Add-on trip module for multi-pole circuit breaker
06/03/2010US20100134220 Add-on trip module for multi-pole circuit breaker
05/2010
05/26/2010CN101714483A A compact circuit breaker mechanism
04/2010
04/27/2010US7706927 Circuit breaker configuration
04/14/2010CN1763884B Electromechanical trigger and an electronical safety appliance with the same
04/08/2010US20100085136 Electrical switching apparatus and trip actuator assembly therefor
04/01/2010DE102008049997A1 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
03/2010
03/23/2010US7683745 Ground fault circuit interrupter device
03/23/2010US7683276 Electrical switching apparatus and pole shaft assembly therefor
03/19/2010CA2678379A1 Circuit breaker with improved arc quenching
03/17/2010CN201425926Y Single-phase circuit breaker
03/16/2010US7679478 Lighting control module mechanical override
03/10/2010CN201421813Y Electric closed-type current protector
02/2010
02/25/2010DE102008039066A1 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
02/04/2010DE112007003283T5 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
01/2010
01/28/2010WO2010010061A1 Apparatus for shutting off a fault current in a current-carrying line
01/19/2010US7649433 Circuit breaker with magnetically-coupled trip indicator
01/12/2010US7646269 Electrical switching apparatus, and conductor assembly and shunt assembly therefor
12/2009
12/24/2009US20090315652 Locking mechanism for protecting a ground fault circuit interrupter from faulty resetting
12/15/2009US7633365 Circuit breaker apparatus
12/10/2009US20090302978 Method of bi-directional thermal calibration of a circuit interrupter frame and circuit interrupter test system including the same
11/2009
11/25/2009CN101589447A 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
11/24/2009US7623010 Electrical switch
11/12/2009US20090279216 Adjustable Rating for a Fault Interrupter and Load Break Switch
11/12/2009US20090278634 Multiple Arc Chamber Assemblies for a Fault Interrupter and Load Break Switch
11/11/2009CN101577198A 过载保护开关 Overload protection switch
10/2009
10/21/2009CN201332078Y Gear-shift brake-opening/closing operation device for residual current circuit breaker
10/21/2009CN201332070Y Autoreclose breaker
10/15/2009US20090256657 breaker interlock system and method
10/14/2009CN101556881A High-voltage circuit-breaker connector and high-voltage circuit breaker using same
10/06/2009US7598830 Electromagnetic coil apparatus employing a magnetic flux enhancer, and accessory and electrical switching apparatus employing the same
10/06/2009US7598828 Protection device with a sandwiched cantilever breaker mechanism
09/2009
09/30/2009CN101546679A Single-phase circuit breaker
09/22/2009US7592888 Low cost user adjustment, resistance to straying between positions, increased resistance to ESD, and consistent feel
09/10/2009DE19933919B4 Bewegbarer Kontakt mit niedrigem elektrischen Widerstand Moveable contact with low electrical resistance
08/2009
08/27/2009DE102008007364A1 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
08/27/2009DE102005049181B4 Dreipoliger Leistungsschalter und Verfahren zu seiner Herstellung Three-pole circuit breaker and process for its preparation
08/25/2009US7579933 Electrical installation switching device
08/19/2009CN201294207Y Creepage breaker gear and on-off type brake-switching device thereof
08/13/2009US20090201109 Circuit breaker
08/13/2009DE19951042B4 Unterbrecher-Betätigungsmechanismus mit klappbarer Kontaktarm-Verbindungsanordnung Breaker operating mechanism with foldable contact connector assembly
08/06/2009DE102008007365A1 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
08/06/2009DE102008007363A1 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
08/04/2009US7570140 Magnetic trip mechanism including a plunger member engaging a support structure, and circuit breaker including the same
08/04/2009US7569784 Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor
07/2009
07/21/2009US7564329 Ground fault circuit interrupter device
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.
07/08/2009CN100511550C Contactor device of circuit breaker
07/07/2009US7557681 Electrical switching apparatus accessory sub-assembly employing reversible coil frame, and accessory and electrical switching apparatus employing the same
07/02/2009US20090167468 Electrical circuit breaker having a protective function
06/2009
06/10/2009DE102007059043A1 Installationsschaltgerät mit einer Doppelunterbrechung Installation switching device with a double break
06/10/2009DE102007059017A1 Installationsschaltgerät mit einer Doppelunterbrechung Installation switching device with a double break
06/09/2009US7545245 Manual opening device and electrical switching apparatus employing the same
06/03/2009CN100495621C Circuit control protector
06/02/2009US7541899 Multi-pole circuit breaker and apparatus for preventing deformation of driving shaft thereof
05/2009
05/26/2009US7538644 Multi-pole circuit breaker
05/21/2009US20090128265 Secondary trip system for circuit breaker
05/05/2009US7528690 Electrical switching device
04/2009
04/29/2009CN101421812A Slot motor and circuit breaker including the same
04/28/2009US7525402 Circuit interruption device with indicator having function of auto-monitoring and multi-protecting circuit
04/23/2009US20090102584 Multiple Axis Transmission System
04/22/2009CN101416264A Circuits breaker having resetting function and breaking function for abnormal current
04/22/2009CN100481298C Switching device
1 2 3 4 5 6 7 8 9 10 11 12 13 ... 15