NEMA AB 4-2023

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

National Electrical Manufacturers Association , 11/29/2023

Publisher: NEMA

File Format: PDF

$76.00$153.00


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.

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