ANSI C37.58-2020 applies to conformance test procedures for ac medium voltage switches rated above 1,000 V as designed, tested and manufactured in accordance with ANSI/IEEE C37.20.4.





ANSI C37.58-2020
Original price was: $113.00.$56.00Current price is: $56.00.
American National Standard for Switchgear – Indoor AC Medium-Voltage Switches for Use in Metal-Enclosed Switchgear – Conformance Test Procedures
American National Standards Institute , 11/15/2019