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Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial Applications


Status: Active
Document ID: 100258
NEMA AB 4-2017   [DOWNLOAD]   [BUY]

Sets forth, for use by qualified personnel, a number of basic procedures that may be used for the inspection and preventive maintenance of molded-case circuit breakers used in industrial and commercial applications rated up to and including 1,000 V 50/60 Hz AC or AC/DC.


Published Date: Aug.1.2017
Number of pages: 41
Document ID: 100258

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