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ANSI/NEMA C37.57-2025

Switchgear - Metal-enclosed Interrupter Switchgear Assemblies - Conformance Testing

This standard is a conformance testing standard optionally applicable to all metal-enclosed interrupter switchgear assemblies designed, tested, and manufactured in accordance with IEEE Std C37.20.3-2023. The requirement of IEEE Std C37.20.3-2023 is sufficient for application of metal-enclosed interrupter switchgear assemblies, and conformance testing is not necessary to satisfy the basic requirements of that standard.

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NEMA: National Electrical Manufacturers Association [nema]

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