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8183964 |
Current trip unit for circuit breaker
A trip unit having a current carrying 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...
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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...
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8143980 |
Switching device
A switching device, for example a circuit breaker, has an input terminal and an output terminal for connection to electrical conductors, and two switching contacts which, when closed, close a...
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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...
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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...
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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...
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8120452 |
Mechanical interlock for circuit breaker to prevent relatching of the breaker
An apparatus and method for restricting auxiliary latch movement within a tripped circuit breaker. An auxiliary latch is held in a closed state and is biased into an open state. When the trip bar...
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8049584 |
Switching device
A switching device having a magnetic release includes a yoke having a U-shaped first section that includes a first limb having an opening in the form of a slot open towards a free end of the first...
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8040209 |
Divided adjustable armature for a circuit breaker
A divided armature for the trip mechanism of a circuit breaker especially useful for low trip current breakers allows for two independent adjustments: first of the magnetic air gap between the yoke...
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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...
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8004283 |
Method of actuating a test function of an electrical switching apparatus at a panel and electrical switching apparatus employing the same
An arc fault circuit breaker includes a panel having a first side and an opposite second side, a housing coupled to the opposite second side of the panel, separable contacts, an operating mechanism...
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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...
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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...
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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...
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7911302 |
Secondary trip system for circuit breaker
A mechanism for a circuit breaker contact arm that allows current limiting by reducing the opening time is disclosed. A secondary trip assembly is arranged to actuate due to magnetic forces...
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7911298 |
Electrical switching apparatus and trip actuator assembly therefor
A trip actuator assembly is provided for an electrical switching apparatus, such as a circuit breaker. The trip actuator assembly includes a trip actuator with an actuating element, which is...
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7864005 |
Arc-fault circuit interrupter device
A ground fault circuit interrupter device is described.
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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...
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7834724 |
Electromechanical interlock for electrical protection devices
An interlock is presented which may be mechanically interconnected with a circuit breaker. The interlock toggles between a locked out position that causes the circuit breaker to trip and prevents...
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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....
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7772945 |
Electrical switching device
An electrical switching device facilitates selectively controlling residential power. The switching device is configured to couple between a residential electrical-energy meter and a residence. The...
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7716816 |
Method of manufacturing a switch assembly
A method of forming a switch assembly that includes a magnetic intensifier constructed to extend in generally close proximity to one of the stationary contact and the arc contact. During...
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7683745 |
Ground fault circuit interrupter device
A ground fault circuit interrupter device is described.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7564329 |
Ground fault circuit interrupter device
A ground fault circuit interrupter device is described.
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7538647 |
Ground fault circuit interrupter device
A ground fault circuit interrupter device is described.
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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...
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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...
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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...
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7498910 |
Ground fault circuit interrupter device
A ground fault circuit interrupter device is described.
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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), a...
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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 to engage...
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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...
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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...
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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...
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