Abstract: Some embodiments relate to a load control module that includes an enclosure and a plurality of power switching devices within the enclosure. The load control module further includes an interface mounted on an exterior of the enclosure and a switch connected to the interface. The switch is connected to the interface such that the switch selectively activates the interface to permit testing of the power switching devices upon operation of the interface. In some embodiments, the load control module may include a display that provides information relating to whether the interface is activated by the switch. Other embodiments relate to a load control module that includes a generator having a controller which controls operation of the generator and provides commands to the switch to selectively activate the interface to permit testing of the power switching device upon operation of the interface.

Abstract: Some embodiments relate to a remote annunciator 10 that includes an enclosure 11 and a control 12 within the enclosure 11. The control 12 receives signals S from a plurality of transfer switches 13A, 13B, 13C, 13D and at least one generator 14 that is connected to at least one of the transfer switches 13A, 13B, 13C, 13D. The control 12 displays a status of electrical connections that include the plurality of transfer switches 13A, 13B, 13C, 13D and the at least one generator 14. In some embodiments, the control 12 recognizes when the plurality of transfer switches 13A, 13B, 13C, 13D and the at least one generator 14 are connected to the control 12.

Abstract: Some embodiments relate to a power management system includes a primary power source and a secondary power source. The power management system further includes an enclosure and an electrical component located within the enclosure. The electrical component is connected to the primary power source and the secondary power source. The power management system further includes a membrane that is mounted to an outside of the enclosure. The membrane extends through the enclosure such that the membrane provides information relating to operation of the power management system.

Abstract: Some embodiments relate to a remote annunciator 10 that includes an enclosure 11 and a control 12 within the enclosure 11. The control 12 receives signals S from a plurality of transfer switches 13A, 13B, 13C, 13D and at least one generator 14 that is connected to at least one of the transfer switches 13A, 13B, 13C, 13D. The control 12 displays a status of electrical connections that include the plurality of transfer switches 13A, 13B, 13C, 13D and the at least one generator 14. In some embodiments, the control 12 recognizes when the plurality of transfer switches 13A, 13B, 13C, 13D and the at least one generator 14 are connected to the control 12.

Abstract: Some embodiments relate to a load control module that includes an enclosure and a plurality of power switching devices within the enclosure. The load control module further includes an interface mounted on an exterior of the enclosure and a switch connected to the interface. The switch is connected to the interface such that the switch selectively activates the interface to permit testing of the power switching devices upon operation of the interface. In some embodiments, the load control module may include a display that provides information relating to whether the interface is activated by the switch. Other embodiments relate to a load control module that includes a generator having a controller which controls operation of the generator and provides commands to the switch to selectively activate the interface to permit testing of the power switching device upon operation of the interface.

Abstract: Some embodiments relate to a power management system includes a primary power source and a secondary power source. The power management system further includes an enclosure and an electrical component located within the enclosure. The electrical component is connected to the primary power source 11 and the secondary power source. The power management system further includes a membrane that is mounted to an outside of the enclosure. The membrane extends through the enclosure such that the membrane provides information relating to operation of the power management system.

Abstract: A method and apparatus to independently control the closing or making of contactors in a modular contactor assembly is disclosed. The apparatus includes a contactor assembly having multiple contactors such that each contactor is separately controlled such that one contactor may be closed without the other contactors of the assembly being closed. The contactors are arranged such that a pair of contactors is caused to close following a zero-voltage crossing of a power signal. A third contactor is caused to close after the pair of contactors has closed.

Abstract: Control of an induction motor is carried out to limit damaging arcing stress and mechanical stresses placed on the control contactor assembly and the induction motor resulting from the simultaneous or synchronous breaking and making of contactors employed to connect the windings of the motor to a power supply. Asynchronously connecting the windings to the power supply via the asynchronous or non-simultaneous closing of the contactors of a modular contactor assembly reduces the potentially damaging transient current, the associated torque oscillations, and mechanical stresses. The present invention is particularly applicable to delta motors that are started with its windings in a star or wye configuration followed by the reconnection of the windings in a delta configuration when the motor is at normal running speed.

Abstract: The present invention provides an electrical isolation apparatus having independently controllable contactors. The isolation apparatus includes a contactor for each phase or pole of an electrical device as well as each phase or pole of a load. Each contactor is constructed so that each includes multiple contact assemblies that may be independently controlled to open and close. Moreover, the contactors within a single contactor assembly or housing can be independently controlled so that the contacts of one contactor can be opened without opening the contacts of the other contactors in the contactor assembly. Additionally, the contactors are constructed and controlled such that a single line side contactor and a single load contactor open simultaneously when an open circuit condition is desired.

Abstract: The present invention provides an electrical isolation apparatus having independently controllable contactors. The isolation apparatus includes a contactor for each phase or pole of an electrical device as well as each phase or pole of a load. Each contactor is constructed so that each includes multiple contact assemblies that may be independently controlled to open and close. Moreover, the contactors within a single contactor assembly or housing can be independently controlled so that the contacts of one contactor can be opened without opening the contacts of the other contactors in the contactor assembly. Additionally, the contactors are construct and controlled such that a single line side contactor and a single load contactor open simultaneously when an open circuit condition is desired.

Abstract: A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that each includes multiple contact assemblies. Moreover, the contactors within a single contactor assembly or housing can be independently controlled so that the contacts of one contactor can be opened without opening the contacts of the other contactors of the contactor assembly.

Abstract: A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that each includes multiple contact assemblies. Moreover, the contactors within a single contactor assembly or housing can be independently controlled so that the contacts of one contactor can be opened without opening the contacts of the other contactors of the contactor assembly.

Abstract: A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that each includes multiple contact assemblies. Moreover, the contactors within a single contactor assembly or housing can be independently controlled so that the contacts of one contactor can be opened without opening the contacts of the other contactors of the contactor assembly.

Abstract: A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that each includes multiple contact assemblies. Moreover, the contactors within a single contactor assembly or housing can be independently controlled so that the contacts of one contactor can be opened without opening the contacts of the other contactors of the contactor assembly.

Abstract: A lever operated rotary reversing switch wherein a lever is snap-fit attached to the switch housing with a portion of the lever inserted under an overhang on the housing to maintain that portion of the lever against the exterior surface. A detent is provided between the overhang and the end of the lever to direct the forces longitudinally in the plane of the lever. A rotor plate located exteriorly of the housing is connected to the rotor by an axial shaft, and an eccentric received in a slot in the lever for providing a driving coupling between the lever and internal contact mechanism is located on the exterior surface of the rotor plate.