Patent application number | Description | Published |
20100157512 | MOTOR CONTROL CENTER SUBUNIT HAVING MOVEABLE LINE CONTACTS AND METHOD OF MANUFACTURE - A system and method for connecting supply power to motor control components includes use of a motor control center subunit with moveable supply power contacts. After a motor control center subunit is secured into a motor control center compartment, the supply power contacts may be advanced to engage supply power buses. For disconnection, the supply power contacts may be refracted and isolated from the buses before physical removal of the subunit. | 06-24-2010 |
20110032663 | MOTOR CONTROL CENTER AND SUBUNIT THEREFOR - A subunit is provided for a motor control center including an enclosure, a number of compartments, a plurality of power lines, and a number of covers for covering the compartments. The subunit includes a housing removably disposed within a corresponding one of the compartments, a plurality of electrical contacts movably coupled to the housing, and an actuating assembly for moving the electrical contacts into and out of electrical contact with the power lines. The subunit further includes at least one of a locking assembly, a panel assembly, and a secondary disconnect assembly. The locking assembly locks the position of the electrical contacts and restricts access to the actuating assembly. The panel assembly is pivotable and translatable with respect to the subunit housing. The secondary disconnect assembly is independent from the actuating assembly in order that movement of the electrical contacts does not move the secondary disconnect assembly. | 02-10-2011 |
20110149479 | MOTOR CONTROL CENTER AND SUBUNIT THEREFOR - A subunit is provided for a motor control center including an enclosure, a number of compartments, a plurality of power lines, and a number of covers for covering the compartments. The subunit includes a housing removably disposed within a corresponding one of the compartments, a plurality of electrical contacts movably coupled to the housing, and an actuating assembly for moving the electrical contacts into and out of electrical contact with the power lines. The subunit further includes at least one of a locking assembly, a panel assembly, and a secondary disconnect assembly. The locking assembly locks the position of the electrical contacts and restricts access to the actuating assembly. The panel assembly is pivotable and translatable with respect to the subunit housing. The secondary disconnect assembly is independent from the actuating assembly in order that movement of the electrical contacts does not move the secondary disconnect assembly. | 06-23-2011 |
20110149480 | MOTOR CONTROL CENTER AND SUBUNIT THEREFOR - A subunit is provided for a motor control center including an enclosure, a number of compartments, a plurality of power lines, and a number of covers for covering the compartments. The subunit includes a housing removably disposed within a corresponding one of the compartments, a plurality of electrical contacts movably coupled to the housing, and an actuating assembly for moving the electrical contacts into and out of electrical contact with the power lines. The subunit further includes at least one of a locking assembly, a panel assembly, and a secondary disconnect assembly. The locking assembly locks the position of the electrical contacts and restricts access to the actuating assembly. The panel assembly is pivotable and translatable with respect to the subunit housing. The secondary disconnect assembly is independent from the actuating assembly in order that movement of the electrical contacts does not move the secondary disconnect assembly. | 06-23-2011 |
20110232039 | Enhanced Disconnect Handle Operators - An extendable device engages and operates a handle mounted on an electrical switching apparatus. The extendable device includes a first linear portion and a second linear portion, each of the first and second linear portions having a first end and a second end, a handle adaptor extending away from the second end of one of the first and second linear portions and a retainer mechanism structured to engage the first linear portion and the second linear portion such that the extendable device can be adjusted to a particular length and maintained at the particular length. The handle adaptor is structured to engage the handle such that the handle can be moved from a first position to a different second position. | 09-29-2011 |
20120033351 | MOTOR CONTROL CENTER AND BUS ASSEMBLY THEREFOR - A bus assembly is provided for a motor control center (MCC). The MCC includes an enclosure, an electrical switching apparatus, such as a circuit breaker, which is removably coupled to the enclosure, and at least one subunit. The bus assembly includes a horizontal bus, a number of vertical buses, and a number of short circuit protective devices (SCPDs), such as fuses or circuit breakers. The horizontal bus is electrically connected to the circuit breaker, each vertical bus electrically connects a corresponding subunit to the horizontal bus, and each SCPD is disposed between the horizontal bus and a corresponding one of the vertical buses. The SCPDs reduce the peak current level and arc flash energy experienced by the subunits, and relatively quickly clear the arcing event. | 02-09-2012 |
20130077210 | Motor Control Center Unit with Multiple Feeder Configurations - A motor control center unit comprising multiple feeders is described. The unit may also contain a common breaker interlock release configured to lock out breakers for all of the feeders. The breakers of the multiple feeders and the breaker interlock release may be accessible and operable through an isolation cover of the motor control center unit. | 03-28-2013 |
20130279081 | MOTOR CONTROL CENTER AND COMMUNICATION SYSTEM THEREFOR - A communication system is provided for a motor control center. The motor control center includes an enclosure and a plurality of subunits. The enclosure comprises a framework for dividing the enclosure into a plurality of compartments. The subunits are removably disposed within the compartments. The communication system includes a mounting bracket fixedly attached to the framework, within a corresponding one of the compartments, and a communication module mounted on the mounting bracket. The communication module includes a housing and a number of features such as, for example and without limitation, a DIP switch and electrical connector(s), disposed on the housing. Accordingly, when the subunit is removed from the compartment, the communication module remains, fixed to the enclosure framework. The mounting bracket includes a hinge that allows the communication module to pivot with respect to the compartment to provide access to the features. | 10-24-2013 |
20140321067 | APPARATUS AND METHODS FOR POWERING MOTOR CONTROL CENTERS USING BACKFEED MODULES - A power backfeed apparatus includes a housing configured be removably positioned in a compartment of a motor control center (MCC), a contact assembly supported by the housing and comprising at least one contact configured to face a corresponding at least one power conductor of the MCC when the housing is disposed in the compartment and a power cable connector supported by the housing and configured to support connection of an external power cable thereto when the housing is disposed in the compartment, the power cable connector configured to be electrically coupled to the at least one contact of the contact assembly. A contact engagement mechanism forces the at least one contact into contact with the at least one power conductor to electrically couple the at least one contact and the at least one power conductor. | 10-30-2014 |