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Motor Control Center Installations - SPI Pharma Inc.

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OC Electric was contracted to perform MCC additions for equipment upgrades at SPI Pharma Inc in Lewes, DE.  Several additional buckets were added where the new motor controls and circuit protectors were installed.  The electrical work was completed on time and within budget.  Contact OC Electric LCC for more information or for an invitation to bid your next electrical project.

Electrical Motor Control Center Installations

A motor control center (MCC) is an assembly of one or more enclosed sections having a common power bus and principally containing motor control units.  Motor control centers are in modern practice a factory assembly of several motor starters.  A motor control center can include variable frequency drives, programmable controllers, metering, and may also be the electrical service entrance for a building.  Motor control centers are usually used for three-phase alternating current motors from 208 V to 600 V.

A motor control center consists of one or more vertical metal cabinet sections with power bus and provision for plug-in mounting of individual motor controllers.  Very large controllers may be bolted in place but smaller controllers can be unplugged from the cabinet for testing or maintenance.  Each motor controller contains a contactor or a solid-state motor controller; overload relays to protect the motor, fuses or a circuit breaker to provide short-circuit protection, and a disconnecting switch to isolate the motor circuit.  Three-phase power enters each controller through separable connectors.  The motor is wired to terminals in the controller.  Motor control centers provide wire ways for field control and power cables.

Each motor controller in an MCC can be specified with a range of options such as separate control transformers, pilot lamps, control switches, extra control terminal blocks, various types of thermal or solid-state overload protection relays, or various classes of power fuses or types of circuit breakers.  A motor control center can either be supplied ready for the customer to connect all field wiring, or can be an engineered assembly with internal control and interlocking wiring to a central control terminal panel board or programmable controller.

OC Electric LLC is quality driven local company with a network of highly skilled and dedicated electrical professionals.  We invite you to join our list of satisfied customers and allow us the opportunity to bid your next Residential, Commercial, Industrial, or Agricultural electrical job.

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