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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...
7583170 Switching device with switch latch  
There is described a switching device whose disconnection cause can be identified, and a method for displaying the disconnection cause of a switching device. The switching device has a switch latch...
7579933 Electrical installation switching device  
The disclosure relates to an electrical installation switching device, having a switching mechanism with a latching point which can be unlatched manually by means of a switching toggle or by means...
7570140 Magnetic trip mechanism including a plunger member engaging a support structure, and circuit breaker including the same  
A circuit breaker includes separable contacts, an operating mechanism structured to open and close the separable contacts, and a magnetic trip mechanism cooperating with the operating mechanism to...
7566841 Tie bar for two pole switching device  
A multipole switching device for selectively switching electrical power from an electrical power source to a load circuit comprises a first control device comprising a housing, an electromechanical...
7564329 Ground fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7554781 Protective device with an auxiliary switch  
The present invention is directed to a protective device that includes a plurality of line terminals, a plurality of load terminals, and a fault detection assembly coupled to the plurality of line...
7538647 Ground fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7538646 Relay with reduced leakage current  
A relay includes a magnetic system provided with an armature and a contact system provided with a first contact and a moveable second contact. An electrically insulating base plate is arranged...
7528690 Electrical switching device  
The invention relates to an electrical switching device, having a thermal release, an electromagnetic release, and a switching mechanism with a latching point. A contact base for moving a contact...
7518475 Electrical switching apparatus, circuit interrupter and method of interrupting overcurrents of a power circuit  
A circuit interrupter includes a housing, separable contacts, and an operating mechanism including a latch. The operating mechanism opens the contacts responsive to actuation of the latch. A trip...
7515022 Circuit breaker common trip lever  
A trip lever for a shared tripping device, wherein the shared tripping device is structured to operatively couple at least two circuit breakers, a primary circuit breaker and a secondary circuit...
7504914 Electrical switchgear  
An electrical switchgear includes a thermal trip, an electromagnetic trip, and a switching mechanism with a latching point and at least one contact point that is continuously opened or closed. An...
7498910 Ground fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7498909 Ground-fault circuit interrupter with reverse wiring protection  
An improved ground-fault circuit interrupter (GFCI) receptacle with reverse wiring protection. If the power lines are incorrectly connected to the load end of the receptacle during installation,...
7449983 Circuit breaker common inter-phase link  
An inter-phase link for a shared tripping device, wherein the shared tripping device is structured to operatively couple at least two circuit breakers, and the inter-phase link has an elongated...
7414498 Enhanced solenoid-armature interface  
Certain exemplary embodiments include a circuit breaker armature that includes and/or defines a contact zone intersected by a longitudinal axis of a solenoid comprising a plunger, the solenoid...
7411145 Motor operator de-coupling system sensing camshaft position  
A decoupling assembly structured to decouple the charging motor and the charging assembly cam shaft is provided. The decoupling assembly includes a lifter pin assembly and an elongated second end...
7400479 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...
7400477 Method of distribution of a circuit interrupting device with reset lockout and reverse wiring protection  
Resettable circuit interrupting devices, such as GFCI devices, that include reverse wiring protection, and optionally an independent trip portions and/or a reset lockout portion are provided. The...
7358836 Shield, and printed circuit board and electrical apparatus employing the same  
A shield is provided for a circuit breaker including a printed circuit board (PCB). The PCB is a generally planar member with a plurality of electrical components each having a corresponding shape....
7355497 Reset lockout and trip for circuit interrupting device  
This invention relates to a circuit interrupting device having a trip button for disconnecting a load from a source of electrical power and a reset button for resetting the device after it has...
7352265 Manual trip control method and arrangement for multiple circuit interrupters  
A manual trip control method and arrangement is provided to manually trip a plurality of circuit interrupters. Specifically, where the circuit interrupters include magnetic-actuator-driven vacuum...
7330091 Electronic type protective relay  
An electronic type protective relay integrates the mechanical structure into a single operation rod to protect electric machinery. The electronic type protective relay includes an insulating shell,...
7315227 Ground fault circuit interrupters providing end of the life test  
This invention discloses a ground fault circuit interrupter capable of detecting its end of life, and is characterized by: a pair of flexible metal sheets connected to the power output end are...
7298236 Circuit breaker electromagnetic tripping device  
A circuit breaker electromagnetic tripping device in which the contact between the movable contacts and the stationary contacts is stable and well, and the tripping does not tend to fail is...
7268652 Cradle assembly with opening assist mechanism and electrical switching apparatus employing the same  
An opening assist mechanism is for the cradle assembly of a circuit breaker including a housing enclosing separable contacts, and an operating mechanism for opening and closing the separable...
7224558 Method and apparatus for electromechanically interrupting and reconnecting circuits  
An apparatus and method for circuit interruption, with auto-power on and fault memory. The interrupter includes first and second locks in series with one another, and in series between the circuit...
7170375 Permanent-magnet ground fault circuit interrupter plug and its permanent-magnet mechanism therein  
A permanent-magnet ground fault circuit interrupter plug with self-diagnosing function having an enclosure and a permanent-magnet mechanism encased in the enclosure. In one embodiment, the...
7154361 Accessories for a rotatable latching shaft of a circuit breaker  
An accessory for providing mechanical communication between a rotatable latching shaft and an actuation device of an electrical circuit breaker includes a lever, a working surface, and a snap...
7132912 Moving contact unit for a contact arrangement in a circuit breaker  
The moving contact unit ( 10 ) is intended for a contact arrangement in a circuit breaker and contains a contact mount ( 13 ) and a contact piece ( 11, 111, 112 ), which is held by the contact...
7132911 Breaker for protecting electric facilities  
A breaker includes a housing ( 10 ) having two terminals ( 11, 12 ), two bars ( 17, 18 ) electrically coupled to the terminals ( 11, 12 ), an arm ( 30 ) supported in the housing ( 10 ) and movable...
7030722 High-temperature shutdown protecting relay  
A high-temperature shutdown protecting relay comprises a base; a L copper pin and a N copper pin are provided on the base with resting contacts provided at their bottoms respectively; stretchy...
6977567 Low-voltage circuit breaker with a capability of tripping quickly  
This invention discloses a low-voltage circuit breaker with a capability of tripping quickly. Its main feature is that at least one of the side faces of the contact device provides an open flange...
6975191 Resettable switching device  
A resettable switching device, e.g. a relay, comprises a fixed contact ( 18 ) and a movable contact ( 28 ). A solenoid ( 12 ) is fixed relative to the fixed contact and a ferromagnetic plunger ( 20...
6867672 Switching device comprising a latching mechanism  
A switching device includes a latching mechanism and is cheap to produce and easy to assemble. To this end, the construction is essentially formed from a three-part modular unit including metallic...
6727788 Latch mechanism for a circuit breaker  
An apparatus for operating a circuit breaker. The circuit breaker includes a housing, a cradle mounted in the housing and coupled to a handle and to a movable contact. The apparatus comprises a...
6670870 Lockout for reset mechanism of electrical protective device  
An electrical protective device that includes a reset mechanism uses a resistor body to act as a hold-off to a spring driven lockout for the reset mechanism. Upon the failure of an internal...
6486758 Shock-resistant circuit breaker with inertia lock  
A shock-resistant solenoid assembly includes a trip solenoid and an inertia lock, the inertia lock being operable to resist unintended engagement of a core of the trip solenoid with a trip plunger...
6437670 Magnetic release system for a circuit breaker  
A magnetic release system for a circuit breaker, the magnetic release system includes a contact structure; a strap configured to conduct a first level of electrical current and a second level of...
6414575 Circuit breaker having an encapsulated auxiliary coil assembly  
A circuit breaker which has an auxiliary coil fitted onto the primary bobbin adjacent the pole piece having a dielectric auxiliary bobbin and a dielectric bobbin housing encapsulating the auxiliary...
6366187 Support and alignment structure for magnetic trip device  
A plunger assembly support structure for a molded case circuit breaker magnetic trip mechanism for aligning a trip mechanism plunger assembly. The plunger assembly support structure includes a base...
6353377 Trip assembly for circuit breakers with shock absorbing components  
The present invention provides a spring for a tripping mechanism in a circuit breaker for connection to a circuit. The tripping mechanism has a first component which is accelerated along a...
6348847 Control device for breaker  
A making operation preventing device 130 has a releasing trigger 19 for retaining, via a releasing latch 18 , a breaking lever 36 to which a torque in a counterclockwise direction is applied...
6307455 Control mechanism for a circuit breaker  
Circuit breaker mechanism comprising a manually controlled part 40a acted upon by a knob 42 and a part 40c with an electromagnetic overcurrent tripping device 41 and a trip spring 65. The parts...
6307453 Circuit breaker with instantaneous trip provided by main conductor routed through magnetic circuit of electronic trip motor  
The toggle mechanism of a circuit breaker is connected at one end to the pivoted contact arm and at the other end to a pivoted latch lever which is engaged to latch the toggle mechanism by a latch...
6262643 Mechanism for controlling an electrical circuit breaker  
This mechanism comprises a fixed contact (3), a mobile contact (4) mounted in a support (5) pivoting on the casing (2), an operating knob (13) actuating a pivoting pawl (16) via a link rod (15),...
6255924 Shock resistant circuit breaker UVR  
A shock resistant under-voltage release mechanism for a circuit breaker includes a magnetic tripping device resiliently mounted onto a mounting bracket with one or more resilient mounts. The...
6252477 Power shut-off connector  
A power shut-off connector has contact terminals 55, 56 coming into sliding contact with a moving pin 43, a mating portion 54 and a retaining member 45 of the moving pin, an urging member 62 and a...
6232860 Armature for latching a circuit breaker trip unit  
A latching system for a circuit breaker is arranged to actuate a trip unit and interrupt circuit current upon occurrence of a short circuit or an overcurrent condition. The latching system employs...
Matches 1 - 50 out of 152 1 2 3 4 >