Matches 1 - 31 out of 31


Match Document Document Title
US20150028973 SLOT MOTOR, SLOT MOTOR COVER, SLOT MOTOR - ARC PLATE ASSEMBLY, AND METHODS OF OPERATION  
A slot motor apparatus for a circuit breaker is disclosed. The slot motor has first and second legs connected by a thin web, and an extending portion extending rearward from the rear faces of the...
US20150070114 Remote Operated Circuit Breaker With Manual Reset  
A circuit breaker having a movable contact arm for opening and closing the circuit which is controlled separately by a circuit breaker mechanism for circuit protection and by a switch lever...
US20150130566 MEANS FOR PROVIDING IMPROVED OPERATION PROPERTIES FOR ELECTRICALLY OPERATED CIRCUIT BREAKERS, DISCONNECT SWITCHES, AND CONTACTORS  
Improved circuit breaker operation is achieved by a system that includes a circuit breaker unit and a secondary actuator. The secondary actuator is operable to place the circuit breaker unit into...
US20140062623 REMOTE OPERATED CIRCUIT BREAKER  
A circuit breaker having a movable contact arm for opening and closing the circuit which is controlled separately by a circuit breaker mechanism for circuit protection and by a switch lever...
US20120274428 CIRCUIT-BREAKER WITH A COMMON HOUSING  
A circuit-breaker is provided for switching medium-voltage to high-voltage circuits. The circuit breaker includes a pole part having a cup-shaped housing made of insulating material for...
US20120056697 INCORRECT-CIRCUIT DEACTIVATION DEVICE OF MAGNETIC GFCI OUTLET  
An incorrect-circuit deactivation device of a magnetic GFCI outlet includes an electromagnetic coil seat, a magneto-conductive core driven by the electromagnetic coil seat to displace, and two...
US20140240064 Solenoid-Driven Automatic Transfer Switch  
A solenoid-driven automatic bus transfer switch may automatically transfer one or more electrical loads from a first power source to a second power source, or vice versa, in the event of a power...
US20050174202 Superconducting wire material and method for preparation thereof, and superconducting magnet using the same  
An object of the present invention is to provide: a superconducting wire with a boron-containing superconductor charged or included therein, the superconducting wire further being able to have a...
US20090322452 HANDLE ARM AND UNDERVOLTAGE RELEASE AND CIRCUIT INTERRUPTER INCORPORATING THE SAME  
A handle arm assembly is for a circuit interrupter including an undervoltage release mechanism having a reset mechanism. The handle arm assembly includes a body portion rotatable through an arc...
US20080048806 Electronic Switching Device, In Particular Circuit-Breaker And Associated Operating Method  
An anti-serial cascade circuit including two silicon carbide JFETs and two silicon MOSFETs is known. Disclosed is a combination of a JFET, a smart power MOSFET SPM and a thyristor with an...
US20150048908 CONTACT DEVICE AND ELECTROMAGNETIC CONTACTOR USING THE SAME  
A contact device includes a contact mechanism including a pair of fixed contacts disposed to maintain a predetermined distance and a movable contact disposed to be capable of contacting to and...
US20100057225 AUTOMATION APPARATUSES WITH INTEGRATED COMMUNICATIONS SERVERS  
A protection relay with integrated communications may include a protective relay portion to perform protective relay operations associated with a load operatively connected to the protection...
US20100148893 ELECTRICAL SWITCHING APPARATUS AND SHUNT SEPARATOR THEREFOR  
A shunt separator is provided for an electrical switching apparatus including a housing, separable contacts enclosed within the housing, an operating assembly including a trip bar, and a trip...
US20100019873 DOUBLE BREAK INSTALLATION SWITCHGEAR  
An installation switching device having at least one pole current path comprises two stationary contact pieces; a moving contact bridge including two moving contact pieces forming a double-break...
US20120038438 AIR CIRCUIT BREAKER  
In an air circuit breaker provided with a make-and-break unit having a stator 11 and a blade-shaped movable element 10 rotatably supported with a support shaft 9 oppositely to the stator,...
US20070273461 Electro-Magnetic Force Driving Actuator and Circuit Breaker Using the Same  
Disclosed are an electro-magnetic force driving actuator and a circuit breaker comprising the actuator. The actuator comprises a hollow inner case made of magnetic material; an outer case made of...
US20090128264 Fault circuit interrupting device with symmetrical inputs  
There is disclosed a circuit interrupting device with symmetrical inputs comprising a first input configured for connection to a power source or a load circuit and a second input configured for...
US20130241675 Solenoid Coil Having an Enhanced Magnetic Field  
An improved solenoid having an enhanced magnetic field and failsafe operation is provided, wherein a primary winding and a secondary winding are constructed such that the combined force imparted...
US20070063796 Modular switching device  
A modular switching device is disclosed which includes a plurality of interconnected modules, the modules having a control device module and a pole cell module, the modules of the switching device...
US20150137914 ACTUATOR FOR MEDIUM VOLTAGE SWITCHGEAR  
An actuator for a switchgear is disclosed, which can include a core having a package of core element layers made of magnetic material, and permanent magnets between the core elements, fixed with...
US20130187732 CIRCUIT BREAKER REMOTE TRIPPING  
A circuit breaker module (which may also be termed an interrupter) including circuit breaker contacts which are opened and closed by an electrically-activated magnetic actuator and capable of...
US20100265016 Magnet Core; Method for Its Production and Residual Current Device  
A magnet core (1) that is suitable for use in a fault current circuit breaker and that is made of a helically wound, magnetically soft band has a top (4) and a bottom (5), the top (4) and the...
US20080002326 Load drive controller and control system  
A load drive controller for controlling a heat generating member by a switching element includes a temperature detection portion for detecting a physical quantity of a level corresponding to a...
US20070268097 SPACE ALLOCATION FOR SWITCHING APPARATUS  
A housing for a single-pole circuit breaker is disclosed. The housing includes two current path regions, each region having a first section configured to receive an electromagnetic protection...
US20170154747 THOMSON COIL BASED ACTUATOR  
An actuator for a mechanical switch, a mechanical switch, a circuit breaker and a high voltage power transmission system including such an actuator are disclosed. The actuator includes at least...
US20170110277 ELECTRICAL DISCONNECT CONTACTORS  
A low-profile electrical contactor is provided comprising at least one electrical contact switch, an actuation means and a current determining device. The or each electrical contact switch has...
US20170103865 Automatic Transfer Switch  
A system and method for an automatic transfer switch comprising a fixed contact (26), a first oscillating rod (16) communicatively and operatively connected to a first movable contact (25), a...
US20160358735 Actuator Override Mechanism For Subsea Circuit Breaker  
A subsea circuit breaker for a subsea power distribution system. The subsea circuit breaker includes a circuit breaker enclosure, first and second contacts and an electro-mechanical actuator. The...
US20160163488 CIRCUIT BREAKERS WITH MOVING CONTACT ARM WITH SPACED APART CONTACTS  
Circuit breakers with moving contacts having a rocking movement, e.g., heel-toe action, are configured to direct arcing across one of two (first and second) spaced apart contacts on a moving arm...
US20160049274 CIRCUIT BREAKERS WITH HANDLE BEARING SLEEVES  
Circuit breakers with handles having a handle bearing sleeve that contacts an upper end portion of a moving arm and allows the arm to rotate to “OFF”, “ON” and “TRIP” positions, typically with...
US20130278361 PROTECTIVE ELECTRICAL DEVICE  
The present invention is directed to a protective device that includes a cover assembly having a plurality of receptacle openings, a reset button and a test button. The reset button and the test...

Matches 1 - 31 out of 31