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| Number | Title | Issue Date |
| 7936239 | Breaker interlock system and method Disclosed herein is a breaker interlock system. The system includes, a trip unit for a breaker, and a breaker receptive of the trip unit. The breaker is closable when the trip unit is assembled thereto and the breaker is non-closable when the trip unit is not assemb... | 05/03/2011 |
| 7369022 | Auxiliary switch sub-assembly and electrical switching apparatus employing the same An auxiliary switch sub-assembly is provided for a telecommunication system circuit breaker including a housing having an opening, separable contacts inside the housing, and an operating mechanism operating the separable contacts between open and closed positions. T... | 05/06/2008 |
| 7369021 | Undervoltage release and circuit breaker incorporating same The reset lever on a circuit breaker undervoltage relay is actuated by translating arcuate movement of a handle arm pin as the circuit breaker handle is moved to the off position into rotation of the reset lever through a complaint interface lever that is stiff enou... | 05/06/2008 |
| 7342474 | Circuit breaker configured to be remotely operated A circuit breaker configured to be remotely operated is disclosed. The circuit breaker includes a set of main contacts configured to connect between an electrical source and an electrical load, an operating mechanism in operable communication to open and close the m... | 03/11/2008 |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7319373 | Electrical switching apparatus and terminal housing therefor An auxiliary switch terminal housing is provided for a telecommunication system circuit breaker including an enclosure, separable contacts inside the enclosure, line and load terminals in electrical communication with the separable contacts, an operating mechanism f... | 01/15/2008 |
| 7317375 | Adjustable safety switch A switch device includes a body with a switch member pivotably engaged with a top opening of the body and a first terminal and a second terminal respectively extend through two slots in a bottom of the body. A connection member is fixedly connected to an inside of t... | 01/08/2008 |
| 7312687 | Protective switch for protecting a circuit A protective switch for protecting a circuit includes an operating element or rocker switch, contact connections projecting from a housing, a contact spring electrically connected to a first contact connection and having a free end covering a second contact connecti... | 12/25/2007 |
| 7304560 | Safety switches A safety switch includes a switch member and a push rod is pivotably connected to an inside of the switch member. A biasing member pushes the push rod toward a stop rod extending from the inside of the switch member. A bi-metallic contact plate has a first end fixed... | 12/04/2007 |
| 7301742 | Method and apparatus for accessing and activating accessory functions of electronic circuit breakers An electronic trip unit for a circuit breaker includes a programmed microprocessor and a module plug in removable signal communication with the microprocessor. The module plug includes a program identifier. The microprocessor recognizes the program identifier and ac... | 11/27/2007 |
| 7283031 | Circuit breaker A breaker has a first conducting strip and a second conducting strip respectively mounted on a lower end of a shell; a first terminal mounted on the second conducting strip; a bimetal strip securely provided on a first conducting strip; a second terminal mounted on ... | 10/16/2007 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 7253637 | Arc fault circuit interrupter system In order to determine whether arcing is present in an electrical circuit, a sensor signal corresponding to current in said electrical circuit is processed. The sensor signal is filtered to determine the presence of noise in a predetermined frequency range and produc... | 08/07/2007 |
| 7248140 | Adjustable safety switch A switch device includes a body with switch pivotably connected to a top thereof and two terminals extend through an underside of the body. A first contact point is connected to one of the terminals and a bi-metallic plate has a first end fixed to the other terminal... | 07/24/2007 |
| 7236082 | Circuit breaker structure An improved structure of a circuit breaker is provided which comprises a housing, a rocker-switch, a push-shaft, a pull-shaft, a bimetallic strip, and other parts. There are three terminals under the rocker-switch inside the housing. A bimetallic strip embedded in a... | 06/26/2007 |
| 7232971 | Circuit breaker A circuit breaker includes a shell, a movable press strip, a metal strip, a C-shaped plate spring, and three conductors. A first and a second conductor are inserted through the bottom of the shell, respectively have an upper end extending up in the shell, with a fir... | 06/19/2007 |
| 7209330 | Reset lockout for circuit interrupting device Resettable circuit interrupting devices, such as GFCI devices, that include a reset lock-out mechanism are provided. The reset lock-out mechanism prevents the resetting of electrical connections between input and output conductors if the circuit interrupting mechani... | 04/24/2007 |
| 7186937 | Rotational backlash compensating cam for stored energy circuit breaker charging motor control The present invention provides a motor control cam having a relief channel adjacent to the switch lever notch. The relief channel extends generally circumferentially from said switch lever notch under the second, wide diameter portion of the cam surface. In this con... | 03/06/2007 |
| 7161105 | Electrical switching device An electrical switching device, in particular a circuit breaker, is disclosed. In order to shorten the opening times of a switching device such as this, a snap-action system is used. The system interacts with the moving contact piece, of an electrical switching devi... | 01/09/2007 |
| 7151656 | Arc fault circuit interrupter system A system for determining whether arcing is present in an electrical circuit in response to a sensor signal corresponding to current in the circuit includes a circuit for analyzing the sensor signal to determine the presence of broadband noise in a predetermined rang... | 12/19/2006 |
| 7136265 | Load recognition and series arc detection using bandpass filter signatures A method and system for determining whether arcing is present in an electrical circuit includes sensing a change in an alternating current in the circuit and developing a corresponding input signal, analyzing the input signal to determine the presence of broadband n... | 11/14/2006 |
| 7106155 | Double-lever mechanism, trip actuator assembly and electrical switching apparatus employing the same A double-lever mechanism is for the trip actuator of a circuit breaker having a housing, separable contacts and an operating member for opening and closing the contacts. A trip bar opens the separable contacts in response to a trip condition, such as an overcurrent ... | 09/12/2006 |
| 7068480 | Arc detection using load recognition, harmonic content and broadband noise A method of determining whether arcing is present in an electrical circuit includes sensing a change in current in the circuit and developing a corresponding input signal, analyzing the input signal to determine the presence of broadband noise in a predetermined ran... | 06/27/2006 |
| 7061349 | Circuit breaker configured to be remotely operated A circuit breaker configured to be remotely operated is disclosed. The circuit breaker includes a set of main contacts configured to connect between an electrical source and an electrical load, an operating mechanism in operable communication to open and close the m... | 06/13/2006 |
| 7038562 | Simulation switch The invention relates to a simulation switch for incorporation into a flight simulator and to the simulation of an excess-current circuit breaker which can be manually actuated using an actuating element (10). The inventive simulation switch comprises a switc... | 05/02/2006 |
| 7019606 | Circuit breaker configured to be remotely operated A circuit breaker configured to be remotely operated by a controller is disclosed. The circuit breaker includes a set of main contacts, an operating mechanism, a remotely operable drive system configured to open and close the main contacts separate from actuation of... | 03/28/2006 |
| 6992872 | Circuit breaker incorporating fault lockout protection A method of protecting multiple feeder circuits fed from a shared electrical distribution system is provided. The method includes providing a bypass line, providing bypass switches in the bypass line, providing a fault lockout protection controller coupled to the by... | 01/31/2006 |
| 6888431 | Remotely operated circuit breaker for emergency lighting circuits A remote-controlled circuit breaker system, comprising a single voltage input connector for receiving current from an external power supply, at least two pole assemblies each including a trip mechanism, and a trip crossbar. The input connector provides a single powe... | 05/03/2005 |
| 6861930 | Transfer switch including a circuit breaker housing A transfer switch includes a miniature circuit breaker housing, a first line terminal, a second line terminal, a load terminal, and separable contacts electrically connected to the first line terminal. A transfer arm is electrically connected to the load terminal an... | 03/01/2005 |
| 6812815 | Remotely controllable circuit breaker including bypass magnet circuit A remotely controllable circuit breaker includes main contacts, secondary contacts and an arc plate drawing an arc from a fixed main contact when an operating mechanism opens the main contacts. A primary circuit electrically connects the main and secondary contacts ... | 11/02/2004 |
| 6801109 | Transfer switch including a circuit breaker housing A transfer switch includes a miniature circuit breaker housing, a first line terminal, a second line terminal and a load terminal. A transfer arm is adapted to pivot between a first position in which the transfer arm is electrically connected to the first line termi... | 10/05/2004 |
| 6787937 | Method of operating remote operated circuit breaker panel A remote operated device including: a plurality of circuit breakers; a first actuator in operable communication with a second actuator, the first actuator positions the second actuator at a circuit breaker of the plurality of circuit breakers, the second actuator mo... | 09/07/2004 |
| 6768402 | Externally controllable circuit breaker An externally controllable circuit breaker includes a set of main contacts, an operating mechanism for opening and closing the main contacts; and a set of secondary contacts electrically connected in series with the main contacts. A control mechanism to open and clo... | 07/27/2004 |
| 6724284 | Circuit breaker A circuit breaker includes a housing, separable contacts, an operating mechanism having a pivotally mounted operator handle for opening and closing the separable contacts, and a trip mechanism releasing the operating mechanism to move the operator handle to its trip... | 04/20/2004 |
| 6570269 | Method and apparatus for supplying power to a load circuit from alternate electric power sources An apparatus and method for supplying power to a load circuit from main and alternate electric power sources involves actuating a signal-controlled selector inside a housing, at least a portion of which is received in a breaker receptacle of an electric p... | 05/27/2003 |
| 6531938 | Remote operated circuit breaker module A remote operated circuit breaker assembly has at least one circuit breaker, a remote module for remotely operating the circuit breaker and an actuator tie pin. Each circuit breaker includes a circuit breaker enclosure of generally rectangular shape havin... | 03/11/2003 |
| 6522227 | Remote operated circuit breaker panel A remote operated device including: a plurality of circuit breakers; a first actuator in operable communication with a second actuator, the first actuator positions the second actuator at a circuit breaker of the plurality of circuit breakers, the second ... | 02/18/2003 |
| 6469601 | Under-voltage tripping device with early-operation auxiliary switch for circuit breaker An under-voltage tripping device installed on a main body of a circuit breaker includes an electromagnetic under-voltage tripping mechanism; an early-operation auxiliary switch for switching a conductive path of an electromagnet of the electromagnetic und... | 10/22/2002 |
| 6326871 | Switchgear unit of a switching device and a coupled leading auxiliary switch A switchgear unit having a switching device which has a rotary operating mechanism (12) and a breaker mechanism and having a leading auxiliary switch (1) coupled to it is provided. The switching device has a gate guide (15) which is in operative connectio... | 12/04/2001 |
| 6313445 | Control for an electrical kitchen appliance with power interruption off feature An electric appliance control comprising an electromagnet; an electrical switch assembly; a ferromagnetic section movable with a contact of the switch assembly towards the electromagnet; and a user actuated member adapted to move the ferromagnetic section... | 11/06/2001 |
