Applicable to all metal-enclosed low-voltage ac power circuit breaker switchgear assemblies designed, tested, and manufactured in accordance with ANSI/IEEE Std C37.20.1.
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ANSI C37.51-2018
Original price was: $113.00.$56.00Current price is: $56.00.
American National Standard for Switchgear – Metal-Enclosed Low Voltage AC Power Circuit Breaker Switchgear Assemblies – Conformance Test Procedures
American National Standards Institute , 03/29/2018
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