Motor control center units with multi-purpose shutter cams and related units

Motor control centers have units or buckets with multi-purpose shutter cams that slide shutters right and left to controllably block access to a portal of an isolation lead screw that can extend and retract power connectors and that provides one or more safety interlock engagement features that prev...

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Bibliographische Detailangaben
Hauptverfasser:	Beard, Alfred Gregory, Yee, Edgar, Kroushl, Daniel Boyd
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	Motor control centers have units or buckets with multi-purpose shutter cams that slide shutters right and left to controllably block access to a portal of an isolation lead screw that can extend and retract power connectors and that provides one or more safety interlock engagement features that prevent certain actions depending on the operating state of the buckets.