Assembly to control a series of electric motors from one location
A small, early 1960s-vintage motor control center for 480 volt motors.
A motor control center (MCC) is an assembly to control some or all electric motors in a central location. It consists of multiple enclosed sections having a common power bus and with each section containing a combination starter, which in turn consists of motor starter, fuses or circuit breaker, and power disconnect.[1] A motor control center can also include push buttons, indicator lights, variable-frequency drives, programmable logic controllers, and metering equipment. It may be combined with the electrical service entrance for the building.[2]
MCC's are typically found in large commercial or industrial buildings where there are many electric motors that need to be controlled from a central location,[1] such as a mechanical room or electrical room.
^ ab"Siemens Basics of Motor control centers" (PDF). electrical-engineering-portal.com. EEP - Electrical Engineering Portal. Retrieved 29 May 2018.
^National Fire Protection Association (2017). "Article 100 Definitions". NFPA 70 National Electrical Code. 1 Batterymarch Park, Quincy, Massachusetts 02169: NFPA. Retrieved October 9, 2023. Motor Control Center: an assembly of one or more enclosed sections having a common power bus and principally containing motor control units.{{cite book}}: CS1 maint: location (link)
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