"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7847203 | System and method for indicating a position of an electrical distribution device A system for indicating a position of an electrical distribution device configured to be racked into an electrically connected condition within an enclosure and racked out to an electrically disconnected condition via a racking mechanism is disclosed. The system inc... | 12/07/2010 |
| 7355132 | Side-mounted lock-off accessory for a circuit breaker A circuit breaker lock-off device is side-mounted to a circuit breaker case in a tenacious engagement. The lock-off device has a generally planar body carrying a lock-off arm pivotable in a plane parallel to the body to place an engagement tab extending therefrom in... | 04/08/2008 |
| 7348505 | Shutter locking system for draw-out circuit breakers and method of assembly thereof A cassette for a draw-out circuit breaker apparatus is disclosed. The cassette comprises a base having a front edge and a back edge, the back edge defining a back plane, a set of shutters disposed at the back plane and configured to open and close, and a set of shut... | 03/25/2008 |
| 7310221 | Switching installation provided with an electrically insulating barrier A switching installation (5) having a circuit breaker (12), which is connected to a cable connection (33), and optionally a disconnector (14) for making or breaking a conductive connection between the cable connection (33) and a ra... | 12/18/2007 |
| 7186933 | Handle attachment, assist mechanism therefor, and electrical switching apparatus employing the same An assist mechanism is for a handle attachment of a circuit breaker having a housing with an operating member operable among a plurality of positions. The handle attachment includes a casing coupled to the circuit breaker housing and enclosing an actuating assembly ... | 03/06/2007 |
| 7129430 | Low-voltage circuit breaker A low-voltage circuit breaker includes at least one switching-on catch for initiating a switching-on process, and at least one insertion mechanism, which has an insertion shaft, for insertion of the circuit breaker into the withdrawable frame, or for removal of the ... | 10/31/2006 |
| 7078634 | Mounting structure for an electric switch The aim of the invention is to achieve, in the simplest possible manner, a movement of an electric switch (3) of a medium-high voltage switch panel on a mounting structure (1) between an interrupt position, a test position and an operating position. To... | 07/18/2006 |
| 7064283 | Device for fixing a power circuit breaker in an insertion rack A device is for fixing a circuit breaker in an insertion rack. The device includes at least one arresting unit which is connected to the insertion rack and belongs to the power circuit breaker. The arresting unit is connected to a control rod which is movably arrang... | 06/20/2006 |
| 7057123 | Safety interlock for circuit breaker housing assembly and extraction device An interlock assembly for a circuit breaker housing assembly and a circuit breaker extraction device wherein the interlock assembly has a first and second component. The first component is coupled to a circuit breaker housing assembly and the second component is cou... | 06/06/2006 |
| 7022923 | Locking device for withdrawable circuit-breakers A locking device is for low-voltage circuit-breakers. It can travel into a frame including a lock and a control member to be activated through the lock. The control member interacts with an internal locking slide when a circuit-breaker is moved into the frame, the l... | 04/04/2006 |
| 7019228 | Method for controlling a displaceable electrical switching module The invention relates to a method for controlling an electrical switching module which can be displaced between an entry position and an exit position. The switching module comprises switching contacts of vacuum switching tubes; an isolating element which can be als... | 03/28/2006 |
| 6998550 | Rollout interface linkage for network protectors An interface linkage assembly for a network protector is provided. The network protector includes a circuit breaker structured to move in and out of a housing assembly, and having a mechanical trip assembly and an electrical close assembly. The interface linkage inc... | 02/14/2006 |
| 6992256 | External disconnect mechanism integrated with an electrical system enclosure A disconnect mechanism for an electrical system that is integrated with the enclosure of the system, yet includes an external handle for closing and opening the electrical circuit. The invention utilizes the system's circuit breaker to switch the current on or off, ... | 01/31/2006 |
| 6961005 | Electrical apparatus comprising a monitoring device, support and monitoring device for such an apparatus, and electrical installation incorporating them An electrical apparatus including electrical components, wherein at least one of the electric components is a monitoring device including electromagnetic radiation receiving means connected to at least one sensor, the electromagnetic radiation receiving means for re... | 11/01/2005 |
| 6958456 | Positive locking, trigger grip, external operating handle assembly for network protector enclosures A handle assembly for a network protector where the network protector includes a circuit breaker and a housing assembly, the circuit breaker having a trip bar structured to move between a first position and a second position corresponding to an open and closed posit... | 10/25/2005 |
| 6951990 | Apparatus for racking circuit breakers into and out of switchgear A motorized racking operator for racking a circuit breaker into and out of electrical switchgear is disclosed. The racking operator includes a motor, an On-Off control in signal communication with the motor, an anti-rotation bracket securely attached to the motor, a... | 10/04/2005 |
| 6884949 | Main switch conveying apparatus for vacuum circuit breaker Disclosed is a main switch conveying apparatus for a vacuum circuit breaker. The main switch conveying apparatus for a vacuum circuit breaker installed in a cage having electrical load and source terminals, the main switch conveying apparatus includes a carriage for... | 04/26/2005 |
| 6689968 | Circuit breaker with capacitor discharge system A presently-preferred capacitor discharge system for a circuit breaker adapted for use in a switchgear enclosure comprises a capacitor discharge circuit adapted to be electrically coupled to the capacitor, and a contact switch electrically coupled to the ... | 02/10/2004 |
| 6590170 | Portable Latch A latch kit comprising a member with at least one hook end, a tension member, and a hook plate. The hook plate is connected to the member by a tension member. The kit is intended to be used in conjunction with an industrial circuit breaker which is secure... | 07/08/2003 |
| 6563062 | Insertion/withdrawal mechanism for a circuit interrupter A circuit interrupter insertion/withdrawal mechanism including an interrupter moving device including a drive shaft operable by an external operating handle from outside of the interrupter compartment, a lever connected between the drive shaft and the int... | 05/13/2003 |
| 6559394 | Air circuit breaker In an air circuit breaker, in order to provide a position indicating apparatus of a draw out type air circuit breaker which is capable of distinguishing a position of a breaker body accurately even a user can not distinguish colors by improving a structur... | 05/06/2003 |
| 6479770 | Electrical switch An electrical switch includes a switching contact arrangement, an interchangeable release block and a locking element. A first operating surface is formed on the locking element, which can be moved from a locked position to an unlocked position. The first... | 11/12/2002 |
| 6476335 | Draw-out mechanism for molded case circuit breakers The draw out mechanism includes a crank, screw, collar and cam, which operate such that as the crank rotates, the collar translates along the screw. The movement of the pin disposed in the slot, rotates the cam as viewed about a axis of rotation. As the c... | 11/05/2002 |
| 6472620 | Locking arrangement for circuit breaker draw-out mechanism A locking arrangement for use on a draw-out mechanism mounted on a circuit breaker within a switchgear cabinet includes a fixed side plate arranged for mounting within switchgear cabinet, a mobile side plate includes a pin extending threrefrom, the mobile... | 10/29/2002 |
| 6304919 | Fixed frame for a drawout electrical switch The fixed frame comprises, on a side wall, a communication module. The communication module acts as interface between an external communication bus and indicating contacts whose state is representative of the connected or disconnected positions of a switc... | 10/16/2001 |
| 6291783 | Electrical switchgear apparatus comprising a plug-in circuit breaker and a device indicating the state of the circuit breaker An electrical switchgear apparatus comprises a fixed frame, a circuit breaker movable in the fixed frame between a plugged-out position and a plugged-in position, a reversible plug-in and plug-out mechanism of the circuit breaker, a movable means for dete... | 09/18/2001 |
| 6284989 | Motor control center interlock assembly A two-part motor control center interlock arrangement has a handle support plate and interlock slide positioned on an interior of the control center door operating by insertion of a tapered pin on the door interior within a key-hole slot on the interlock ... | 09/04/2001 |
| 6252186 | Insertable and retractable switching device comprising a blocking bar which prevents wrong operation A switching device has a closing device and a traversing mechanism for insertion and retraction relative to an insertion frame, where the said devices can be operated only in the OFF state of the switching device. A blocking bar having a cam element that ... | 06/26/2001 |
| 6184483 | Plug-in circuit breaker comprising an operating lever for opening and closing of poles An extractable circuit breaker is equipped with an operating lever which can take at least three positions: an inoperative position, an opening control position in which operating lever operates in conjunction with an opening latch of the circuit breaker,... | 02/06/2001 |
| 6177641 | Plug-in circuit breaker discharge and disengagement energy storage control device used during extraction of breaker The invention relates to a plug-in circuit breaker and has the object of preventing no-load discharges of the closing mechanism when extraction of the circuit breaker is performed. The drive mechanism of the circuit breaker loading and closing mechanism c... | 01/23/2001 |
| 6160229 | Electrical switchgear apparatus comprising a plug-in circuit breaker and position indicators of the circuit breaker in its frame An electrical switchgear apparatus comprises a plug-in circuit breaker movable in a fixed frame by means of a drive mechanism. A movable element, secured to the circuit breaker or to the drive mechanism, takes indexed positions characteristic of the plugg... | 12/12/2000 |
| 6031192 | Drawout circuit breaker with disconnect position interlock mechanism An arrangement for controlling the movement of a drawout circuit-breaker, mounted in a switchgear, which can be moved in an operating position, test position and disconnect position relative to a drawout frame using an actuating shaft pivoted in the drawo... | 02/29/2000 |
| 6028272 | Lockable position interlock for rackable circuit breakers A lockable circuit breaker racking mechanism is provided with a breaker type detection mechanism preventing locking and removal of the key unless the correct breaker type has been installed. The same locking mechanism can also be used to secure the rackin... | 02/22/2000 |
| 6025657 | Power operator for switchgear with manual features A power operator for switchgear and the like is provided that is capable of either power or manual operation without the necessity of any decoupling or mode selection. The power operator is compact and easily affixed over a manual operating shaft of switc... | 02/15/2000 |
| 6005208 | Industrial draw-out circuit breaker electrical connection indication The front cover of an industrial draw-out circuit breaker is provided with a viewing window that allows visual access to an indicator flag for the purpose of identifying the true status of the electrical power connectors and secondary test connectors exte... | 12/21/1999 |
| 5914467 | Automatic transfer switch with improved positioning mechanism Disclosed is an automatic transfer switch (ATS) having "operate," "test" and "isolate" positions for the switch per se. A handle selects one of the positions and a mechanical linkage couples the ATS and the handle to one another. In the improvement, the l... | 06/22/1999 |
| 5895987 | Power operator for switchgear with manual features A power operator for switchgear and the like is provided that is capable of either power or manual operation without the necessity of any decoupling or mode selection. The power operator is compact and easily affixed over a manual operating shaft of switc... | 04/20/1999 |
| 5831813 | Breaker box front panel with window assembly A breaker box front panel with window assembly including a breaker box and a plurality of switches situated within an interior space of the breaker box. The switches are connected between ends of a pair of associated wires which are situated adjacent the ... | 11/03/1998 |
| 5693923 | Motor operator for electrical switches A motor operator unit for an electrical switch is pivotally mounted on a bracket to swing between a closed, operative position in which an actuator in the motor operator unit engages the switch handle for electrical operation of the switch handle and an o... | 12/02/1997 |
| 5691518 | Sliding trigger interlock and secondary disconnect contacts for drawout switches An automotive secondary disconnect mechanism for a removable circuit device is disclosed. According to a preferred embodiment, the disconnect mechanism comprises a guide bar, a slide block mounted on the guide bar and means for locking the slide block in ... | 11/25/1997 |