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Match Document Document Title
8183962 Leakage protective plug  
A leakage protective plug comprises a case and electric contacts. A protective cap is fixed on the top of the case and includes a reset button protective cap and a test button protective cap. The...
8164403 Disconnect mechanism in a power receptacle with ground-fault circuit interruption functions  
A disconnect mechanism for a power receptacle, which includes a disconnect block, a locking member slidably coupled to the disconnect block, and an electromagnetic device moveably coupled to the...
8164402 Current transformer, protection device including such transformer and related circuit breaker  
A current transformer adapted for use in an electrical circuit. The current transformer includes a toroidal core and at least one electrical conductor having a portion passing within the toroidal...
8158898 Elastic pressing unit and molded case circuit breaker having the same  
Disclosed are an elastic pressing unit and a molded case circuit breaker having the same, the molded case circuit breaker including, a plurality of fixed contacts, a plurality of movable contacts...
8159318 Electromagnet assembly directly driving latch of an electronic circuit breaker  
A circuit breaker includes a trip unit and an electronic fault detection unit sharing a common trip latch for causing the circuit breaker to trip upon detection of a fault by either unit. The...
8149075 Plastic cradle  
The present invention relates generally to a plastic cradle. More particularly, the invention encompasses a plastic cradle utilized inside a molded circuit breaker (MCB). The present invention is...
8143977 Electromagnetic drive and an electromechanical switching device  
In one embodiment of the present invention, an electromagnetic drive unit including a coil, a yoke, and an armature is disclosed. The winding of the coil is partly wound in one direction and partly...
8138440 Medium-voltage circuit-breaker  
A fast acting switching mechanism for a circuit breaker includes a drive rod articulated to a drive module and supporting at an end thereof a contact bridge having at opposite ends thereof...
8138862 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...
8139328 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...
8134429 Electrical appliance having an electrical connection  
An electrical appliance designed according to the principle of a fork connection, and into which a contact element is insertable between two contact clips. In the event of high currents, such as...
8134428 Circuit breaker with electronic sensing and de-latch activation  
A circuit breaker and method includes a mechanical pole moveable between a latched position and an unlatched position to open an electrical connection between a pair of electrical contacts. An...
8093965 Add-on trip module for multi-pole circuit breaker  
An add-on module adapted to be attached to the basic mechanical structure of a multi-pole circuit breaker includes multiple extended terminal plates each of which is adapted to replace one of the...
8093964 Add-on trip module for multi-pole circuit breaker  
An add-on module adapted to be attached to the basic mechanical structure of a multi-pole circuit breaker includes multiple extended terminal plates each of which is adapted to replace one of the...
8049126 Self-adjusting plug-in line terminal  
A line terminal for a circuit breaker includes a body forming two opposing legs and a third leg. The opposing legs are configured to form a passage for receiving a stab from a panel board. The two...
8035467 Add-on trip module for multi-pole circuit breaker  
An add-on module adapted to be attached to the basic mechanical structure of a multi-pole circuit breaker includes multiple extended terminal plates each of which is adapted to replace one of the...
8013695 Electronic overload relay  
A magnetic circuit includes a stationary iron core, a permanent magnet, and an armature, in a circular pattern. A contact mechanism spring separates the armature from the stationary iron core to...
8004376 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...
7999641 Circuit breaker having reduced auxiliary trip requirements  
A bimetal in a circuit breaker can deflect in a first direction or a second direction depending upon conditions. If the bimetal deflects in the second direction it can increase the force necessary...
7994882 Space allocation within a circuit breaker  
A single pole module of a circuit breaker is disclosed. The housing includes a first portion and a second portion, and an interior wall separating the first portion from the second portion. The...
7986203 Multi-pole armature interlock for circuit breakers  
A multi-pole circuit breaker and method include at least two breaker modules including circuit breakers therein. The circuit breakers include a moveable arm configured to connect and disconnect...
7986202 Circuit breaker current transformer conductor location device for improved sensing accuracy and assembly  
A circuit breaker includes a breaker housing, a transformer housing, and a plurality of conductor locators. The transformer housing is enclosed within the breaker housing and has an opening for...
7978032 Locking mechanism for protecting a ground fault circuit interrupter from faulty resetting  
A locking mechanism for protecting a ground fault circuit interrupter (GFCI) from being faultily reset. In one embodiment, the locking mechanism has a blocking member secured onto a lateral side of...
7978033 Protection switch  
A protection switch, particularly for fast switching, includes at least one single-pole protection switch module having a housing, a movable contact mounted on a switching arm for pivoting against...
7920037 Fault interrupter and load break switch  
A fault interrupter and load break switch includes a trip assembly configured to automatically open a transformer circuit electrically coupled to stationary contacts of the switch upon the...
7920365 Protective device with an auxiliary switch  
The present invention is directed to a protective device that includes a housing having a plurality of line terminals, a plurality of load terminals, and a plurality of user-accessible terminals...
7893797 Line circuit breaker and magnet yoke for a line circuit breaker  
In line circuit breakers with a combined overcurrent/short-circuit current tripping device, tripping should take place in a well defined manner in the case of an overcurrent and in the case of a...
7872552 Method and device for the secure operation of a switching device  
A method and a device for the secure operation of a switching device are disclosed, including at least one main contact which can be switched on and off and which includes contact pieces and a...
7864005 Arc-fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7864003 Circuit breaker locking and unlocking mechanism  
A circuit breaker and method include main contacts configured to connect in an on position and be separated in an off position. A handle is coupled to one of the main contacts to adjust the...
7859368 Circuit interrupting device with automatic components detection function  
The present invention provides a circuit interrupting device which contains four pairs of contacts to electrically connect/disconnect to an input power source to a user accessible load and an...
7843290 Molded case circuit breaker with contact on mechanism  
A molded case circuit breaker having a contact on mechanism which can perform a trip operation and automatically rotates the handle to the on position or a position toward the on position if the...
7839241 Electrical service switching device  
The disclosure relates to an electrical service switching device, e.g., a circuit breaker, having a magnetic release with a magnet armature, a thermal release, a fixed and moving contact piece, a...
7830231 Trip actuator including a thermoplastic bushing, and trip unit and electrical switching apparatus including the same  
A circuit breaker includes separable contacts, an operating mechanism structured to open and close the contacts, and a trip unit cooperating with the operating mechanism to trip open the contacts....
7830230 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...
7791846 Arc flash detection system, apparatus and method  
An arc flash system for a circuit breaker and a method of operation is provided. The arc flash system includes a first sensor such as a photo-detector and a second sensor that detects a circuit...
7777601 Circuit breaker  
A movable contacting device in a circuit breaker comprises: a crossbar linked with the opening/closing mechanism and carried so as to pivot cooperatively with the opening/closing mechanism; a...
7768758 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...
7750766 Automatic circuit breaker with tripping device activated by a movable contact  
Embodiments of an automatic single- or multi-pole circuit breaker for use in low-voltage applications are disclosed. The circuit breaker includes at least a first fixed contact this is...
7733199 Electrical circuit breaker having a protective function  
An actuating unit or actuating mechanism and release for a circuit breaker. The magnetic mechanism of the release includes a magnet armature, which can move linearly in a magnet coil, is in the...
7683745 Ground fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7671711 Linear actuator for circuit breaker remote operation device  
A remote operation includes an electromagnetic linear actuator that has a moving part linked to a handle of a circuit breaker, and drives the handle according to a remote operation command to...
7663457 Magnetic latch for a voice coil actuator  
Magnetically latching and releasing a voice coil actuator for controlling electrical switchgear. The voice coil actuator includes a voice coil magnet disposed on a common longitudinal axis with...
7646270 Electrical switching apparatus, and yoke assembly and spring assembly therefor  
A spring assembly is provided for a yoke assembly of an electrical switching apparatus including a housing, separable contacts enclosed by the housing, and an operating mechanism structured to open...
7633364 Dampening apparatus and circuit interrupter including the same  
A dampening apparatus has a housing with a plurality of first guide members and a plurality of second guide members coupled together. A first biasing member is located in an area proximate to the...
7623010 Electrical switch  
An electrical switch for connecting and breaking a circuit including a connecting and breaking mechanism for connecting and breaking the circuit provided with at least a set of movable contacts and...
7623011 Device for remotely operating a circuit breaker apparatus and associated assembly and method  
A device for remotely operating a circuit breaker apparatus is provided. Such a circuit breaker apparatus includes a trip device and a reset device that are externally accessible with respect to an...
7598828 Protection device with a sandwiched cantilever breaker mechanism  
The present invention is directed to an electrical wiring device that includes a plurality of line terminals, a plurality of load terminals, and a plurality of receptacle load terminals. A circuit...
7595710 Maglatch mechanism for use in lighting control pod  
An electrical contact assembly includes a magnetic latch solenoid for actuating a moveable contact of a contact pair. The magnetic latch solenoid includes a magnet that latches the contact assembly...
7586395 Electrical switching apparatus and trip actuator assembly therefor  
A trip actuator assembly is provided for a circuit breaker including a housing having a mounting surface, separable contacts enclosed by the housing, and an operating mechanism structured to open...
Matches 1 - 50 out of 310 1 2 3 4 5 6 7 >