ANSI C37.51-2018 American national standard for switchgear - metal-enclosed low voltage AC power circuit breaker switchgear assemblies - conformance test procedures
Publication Year
2018
Document Status
Current
Abstract
Applies to all metal-enclosed low voltage ac power circuit breaker switchgear assemblies designed, tested and manufactured in accordance with ANSI/IEEE C37.20.1.
Document History
Reconfirmed in 2025.
Publisher Information
National Electrical Manufacturers Association
The National Electrical Manufacturers Association (NEMA) represents electrical equipment and medical imaging manufacturers in North America, providing a forum for the development of technical standards, advocacy of industry policies on legislative and regulatory matters, and dissemination of industry data.