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NEMA

ANSI/NEMA AB 4-2023

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

Standard Details

Owner: Tong, Zijun Product Areas: Molded Case Circuit Breaker Product Group; Enclosures Divisions: BS - Building Systems; BI - Building Infrastructure ESPG Category: Distribution Equipment 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 1,000 V 50/60 Hz AC or AC/DC.

General Information

Status : ACTIVE
Standard Type: Main
Document No: ANSI/NEMA AB 4-2023
Document Year: 2023
Pages: 41
  • Section Volume:
  • BS BS - Building Systems

Life Cycle

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ACTIVE
ANSI/NEMA AB 4-2023
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