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ANSI/NEMA AB 4-2009

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

standard by American National Standards Institute / National Electrical Manufacturers Association , 06/12/2009

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Full Description

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 1000 V 50/60 Hz ac or ac/dc.
 

Product Details

Published:
06/12/2009
ANSI:
ANSI Approved
Number of Pages:
40
File Size:
1 file , 1.2 MB
Product Code(s):
100258, 100258
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. NEMA AB 4-2023


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

    • Most Recent

  2. NEMA AB 4-2017


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

    • Historical Version

  3. ANSI/NEMA AB 4-2009

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

    • Historical Version

  4. ANSI/NEMA AB 4-2003


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

    • Historical Version