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2001 Edition, January 2001

Complete Document

Design and Fabrication of Medium-Voltage Motor Control Centers

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Product Details:

  • Revision: 2001 Edition, January 2001
  • Published Date: January 2001
  • Status: Historical
  • Document Language: English
  • Published By: Process Industry Practices (PIP)
  • Page Count: 16
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Practice covers requirements for the design, fabrication, and testing of metal enclosed, NEMA Class E2 controllers. This equipment is used for the supply, control, and protection of medium-voltage motors.

The application of NEMA Class E2 controllers covered by this Practice is limited to squirrel cage induction and synchronous motors rated 5000 hp or less and limited to transformers of 5000 kVA or less. Where specific job requirements dictate, exceptions to this limitation may be taken with Buyer’s prior approval.


This Practice covers the general requirements for design, materials fabrication, inspection, testing, and shipping of medium-voltage motor control centers (MCC).