Attributes . ANSI (IEEE) C37.90.1 Surge withstand, ANSI C12.20 (0.2% accuracy), ANSI C62.41 (Burst), EN61000-6-2 - Immunity for Industrial Environments: 2005, EN61000-6-4 - Emission Standards for Industrial Environments: 2007, EN61326-1 EMC Requirements 2006, IEC62053-22 (0.2% accuracy), UL 61010-1 . Names