ANSI/NEMA AB 4:2023
Current
The latest, up-to-date edition.
Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications
Hardcopy , PDF
English
29-11-2023
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.
| DocumentType |
Standard
|
| Pages |
41
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Current
|
| Supersedes |
| ANSI NEMA AB 3:2013(R2023) | Molded-Case Circuit Breakers and Their Application |
| NEMA BS 31050:2010(R2024) | General Instructions for Handling, Installation, Operation, and Maintenance of Busway Rated 600 Volts or Less |
| ANSI/NEMA 250-2020 | Enclosures for Electrical Equipment (1,000 Volts Maximum) |
| NFPA 70E:2024 | Standard for Electrical Safety in the Workplace |
| NEMA GD 1:2019 | Evaluating Water-Damaged Electrical Equipment |
| NFPA 70:2023 | National Electrical Code (NEC) Softbound |
| ANSI/NEMA AB 3:2013 | Molded-Case Circuit Breakers and Their Application |
| NFPA 70B:2023 | Standard for Electrical Equipment Maintenance |
| NEMA AB 1:2002 | Molded-Case Circuit Breakers, Molded Case Switches, and Circuit-Breaker Enclosures |
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