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Class 335/6 - Automatic circuit-interrupting devices (e.g., circuit-protective devices)


Subclass of Class 335 - Electricity: magnetically operated switches, magnets, and electromagnets
Definition: Subject matter wherein the device comprises means whereby
No. of applications: 24
Last issue date: 02/16/2012


Application No.Application TitleIssue Date
20120038438AIR 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, comprising an electromagnetic operation unit 20 having...
02/16/2012
20100265016Magnet 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 bottom (5) being formed by side surfaces (<...
10/21/2010
20100148893ELECTRICAL 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 assembly. The trip assembly cooperates with the trip bar to trip open the sepa...
06/17/2010
20100057225AUTOMATION 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 relay, and a communications server portion to perform communications operations...
03/04/2010
20100019873DOUBLE 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 pole with the two stationary contact pieces; a contact pressure spring exer...
01/28/2010
20090322452HANDLE 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 between an on position, an off position, and a reset position beyond the off...
12/31/2009
20090201109CIRCUIT BREAKER
A circuit breaker of different interruption speeds, and a spring operation mechanism is standardized for designing and manufacturing the circuit breaker. The circuit breaker has a power transmission mechanism for driving a movable contact 63 and a fixed contact <...
08/13/2009
20090128264Fault 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 connection to a power source. There are a plurality of electrical conductors...
05/21/2009
20080094155Trip unit having bimetal element located outside the yoke
A trip unit in a miniature circuit breaker includes a magnetic yoke and a bimetal mounted on the outside of the yoke. The bimetal is welded at one end to a load terminal that leads to a terminal connector and at the other end to a pigtail. The pigtail, instead of the bi...
04/24/2008
20080048806Electronic 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 associated trigger circuit, which is connected in parallel to the SPM. According t...
02/28/2008
20080024252Ground fault circuit interrupter device
A ground fault circuit interrupter device is described....
01/31/2008
20080002326Load 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 temperature of the switching element, a protection function portion for outpu...
01/03/2008
20070273461Electro-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 magnetic material and being concentric with the inner case and radially mo...
11/29/2007
20070268098SPACE 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 device, a second section configured to receive a thermal protection device, a ...
11/22/2007
20070268097SPACE 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 device, a second section configured to receive a thermal protection device, a ...
11/22/2007
20070241846Electrical switching apparatus and circuit breaker including a molded enclosure and machine screws reinforcing the same
A circuit breaker includes separable contacts, an operating mechanism structured to open and close the separable contacts, a molded enclosure comprising a first molded portion and a second molded portion, a plurality of thread cutting screws fastening the first molded p...
10/18/2007
20070188276Receptacle type ground-fault circuit interrupter
A receptacle type ground-fault circuit interrupter (GFCI) device adapted for connecting to input lines, which includes a pair of input terminals for connecting to the input lines, a pair of receptacle outlets, a ground-fault current detector for detecting a ground fault...
08/16/2007
20070132530Ground fault circuit interrupter with reverse wiring and end-of-life protection
A circuit interrupter comprises a pair of fixed contact strips, a pair of load contact strips, a pair of movable contact strips, a reset component, a movable component, and a trip component that contains a reset contact. Each of the fixed contact strips has a fixed cont...
06/14/2007
20070075808MULTI-POLE CIRCUIT BREAKER AND APPARATUS FOR PREVENTING DEFORMATION OF DRIVING SHAFT THEREOF
Disclosed are a multi-pole circuit breaker and an apparatus for preventing deformation of a driving shaft thereof. The multi-pole circuit breaker includes: a plurality of single pole breaking units having a pair of fixed contactors, a movable contactor, and shafts; a sw...
04/05/2007
20070063796Modular 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 being interconnected with a shaft adapted to transfer a torque required f...
03/22/2007
20060250200ACCESSORIES 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 fitting. The lever includes an engagement orifice. The engagement orifice is r...
11/09/2006
20060097829Enhanced 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 adapted to extend the plunger along the longitudinal axis to engage with the ...
05/11/2006
20060061439Circuit breaker with a moveable plug contact
The circuit breaker is intended for installation in a low-voltage distribution board having a socket and having at least two busbars which are guided parallel, are held on the socket and are each associated with one pole conductor of a multiphase power supply system. Th...
03/23/2006
20050174202Superconducting 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 practical critical current density; a method for manufacturing the supercon...
08/11/2005
 
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