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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...
7619866 Electric trip device provided with monitoring means, circuit breaker comprising one such trip device and method of monitoring  
The invention relates to an electronic trip device and a circuit breaker equipped with said electronic trip device, said trip device comprising at least one current sensor, an actuator, and an...
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...
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...
7570139 Electrical switching apparatus, and trip actuator assembly and reset assembly therefor  
A trip actuator reset assembly for a circuit breaker includes a cradle assembly, a reset lever, a trip actuator, and a rigid element. The cradle assembly is pivotably coupled to the circuit breaker...
7564329 Ground fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7538647 Ground fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7531760 Operating handle locking apparatus and electrical switching apparatus including the same  
A locking apparatus is for a circuit breaker including an enclosure having an opening with two sides and two ends, and two apertures on each of the sides proximate the ends. An operating mechanism...
7515025 Current trip unit for circuit breaker  
A trip unit having a current leading element, an anchor having an up and a down position, and an oscillator having a first position and a second position. The oscillator in the first position...
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...
7498910 Ground fault circuit interrupter device  
A ground fault circuit interrupter device is described.
7486164 Shock-resistant under-voltage release  
A tripping device comprises a coil frame, a coil, a plunger, a spring, and an anti-shock device. The coil is fixedly coupled to the coil frame and has a cylindrical channel extending therethrough....
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...
7403087 Pressure trip device for circuit breaker  
A pressure trip device for a circuit breaker comprises a plurality of single pole switching units, each unit corresponding to each electrical phase hermetically mounting movable contactors and...
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...
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...
7279651 Automatic shut-off switch for main power source  
An automatic turn-off switch responsive to displacement of a movable element placed on a seat which resides on the top of a chute located with an opening at the bottom immediately adjacent to a...
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...
7205871 Circuit breaker intermediate latch  
An intermediate latch for a telecommunication system circuit breaker trip device is provided. The trip device has a spring biased trip bar with a latch extension. The circuit breaker has an...
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...
7145421 Device for supplying an electronic protection device to be used in a low-voltage circuit breaker  
A supply device ( 1 ) for an electronic protection device to be used in a low-voltage circuit breaker. The supply device basically comprises a primary conductor ( 11 ), a secondary winding ( 12 ),...
7145420 Support structure for a circuit interrupter latch and circuit breaker employing the same  
A support structure for a circuit interrupter latch member includes a first side plate having a first opening, and a second side plate having a second opening. A first hardened bushing includes a...
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...
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...
7088207 Electrical switching device for fault-current, overcurrent and short-circuit current position  
An electrical switching device for fault-current, overcurrent and short-circuit current protection, has a contact point in a current path and a switching mechanism for permanently opening the...
7057883 Conducting element for shunting an electric power supply  
A conducting element for shunting an electric power supply from a main conductor to an accessory device operatively associated with a circuit breaker, whose particularity consists of the fact that...
7049910 Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture  
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...
7045733 Low-voltage circuit-breaker and corresponding positive-opening-operation device  
Described herein is a low-voltage circuit-breaker, which comprises at least one mobile contact and a corresponding fixed contact, and a positive-opening-operation device. The...
7038155 Latching mechanism for locking an actuating shaft and electrical switch with a latching mechanism of this type  
A latching mechanism is for locking an actuating shaft of an electrical switch, which can be transferred from an OFF position into an ON position by a drive train counter to the force of at least...
7012493 Circuit breaker including rotary interlock for secondary cover  
A circuit breaker includes a housing including a primary cover and a secondary cover having a tab; separable contacts; and an operating mechanism adapted to open and close the separable contacts....
6995640 Pressure sensitive trip mechanism for circuit breakers  
A circuit breaker having a set of electrical contacts, a first actuator in fluid communication with the set of electrical contacts, a second actuator in operable communication with the first...
6985059 Circuit breaker handle block  
A circuit breaker includes a crank for coupling a rotary arm breaker mechanism to the cradle. The crank has a protrusion which cooperates with a handle yoke to restrict movement of the operating...
6980071 Apparatus and method for circuit breaker trip unit adjustment  
A trip system for a circuit breaker having a support frame, a trip unit, a crossbar, and a trip bar, is disclosed. The trip unit is responsive to an electric current for generating a trip force,...
6924720 Circuit breaker  
A circuit breaker includes a movable contact, a fixed contact, a switching device, a switching operation handle, and an over-current tripping device. The switching device has a switching lever...
6919785 Pressure sensitive trip mechanism for a rotary breaker  
A pressure sensitive trip mechanism for actuating a circuit breaker operating mechanism to trip a circuit breaker includes a trip lever and a trip bar. The trip lever is rotatable about a first...
6911883 Electrical switchgear comprising several housing parts  
A switching chamber enclosure includes a number of enclosure parts with specific functional subdivision, in which switching elements are arranged. The enclosure of the switching device is formed at...
6909586 Circuit breaker voltage sensing module  
A combined current and voltage sensor includes: a combined sensor shell; a current sensor located in the combined sensor shell, the current sensor disposed proximate to said first load strap; and a...
6900712 Circuit breaker  
In order to prevent a mistrip caused by a closing operation of a toggle link mechanism, a trip lever is not mounted on a fixed frame of an opening/closing mechanism, but is mounted on a yoke of a...
6897747 Circuit breaker  
A microprocessor-based circuit breaker includes a removable chip that defines the current rating or ground fault current for the breaker. The breaker includes mechanical components that trip to...
6894594 Circuit breaker including a cradle and a pivot pin therefor  
A circuit breaker includes a molded housing having a base and a cover forming a recess. A cylindrical steel pivot pin is disposed in the recess of the housing. Fixed and movable separable contacts...
6891453 Circuit breaker mechanism  
A mechanism for operating a plurality of circuit interruption mechanisms of a circuit breaker, the mechanism applies a uniform force to the circuit interruption mechanisms. The mechanism applies a...
6879228 Circuit breaker including magnetic trip mechanism  
A circuit breaker includes separable contacts and an operating mechanism having a cradle for opening and closing the separable contacts. A trip mechanism cooperates with the cradle of the operating...
6870451 Manual tripping device for magnetic operating mechanism  
A manual tripping device for a magnetic operating mechanism is provided with a connecting body which is connected with an operating rod of the magnetic operating mechanism at the time of manual...
6864765 Circuit breaker  
A circuit breaker includes a housing; separable contacts mounted in the housing; and an operating mechanism for opening and closing the separable contacts. An overcurrent assembly is responsive to...
6864769 Lockout mechanism for residual current devices  
A Residual Current Device is provided with a reset lockout mechanism.
6853279 Circuit breaker trip unit including a plunger resetting a trip actuator mechanism and a trip bar  
A trip unit includes a housing, a rotary plunger mounted in the housing and a pivotal trip bar also mounted therein. The trip bar latches the plunger in an on position, releases the plunger to a...
6853278 Tripping device  
A tripping device used for protective circuit breakers. In the event that tripping is required, a detection unit drives a tripping element which is able to engage with the latching part of a...
6853277 Auxiliary magnetic trip system  
An auxiliary magnetic trip system for a circuit breaker, the auxiliary magnetic trip system includes a strap configured to conduct a first level of electrical current and a second level of...
Matches 1 - 50 out of 287 1 2 3 4 5 6 >