Application of Motor Control Centers with Molded-Case Circuit Breakers in Systems with High Fault Capability

Motor control centers, as their name implies, provide a convenient means of centralizing the operation, protection, control, and maintenance of motor feeder and branch circuits. To permit their application in systems having high fault current capability and to retain circuit integrity and reliable usage, various aspects are considered including economic factors and compliance with relevant test standards. In this manner, best characteristics of motor control centers are utilized and satisfactory performance is realized by the owner.