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P1458 - Recommended Practice for the Selection, Field Testing, and Life Expectancy of Molded Case Circuit Breakers for Industrial Applications

The purpose of this document is to provide in one place a compendium of information that can be used by those who design power systems and purchase, install or maintain molded case circuit breakers in industrial applications. It covers the following: -- How molded case circuit breakers operate -- How to correctly size and select molded case circuit breakers -- How to safely maintain molded case circuit breakers -- How to determine when a molded case circuit breaker must be replacedThis document provides a recommended practice for the selection, application, and determination of the remaining life in molded case circuit breakers used in industrial applications.
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