PDF Standards IEC 61326-3-1 Ed. 2.0 b:2017
Electrical equipment for measurement, control and laboratory use – EMC requirements ¿¿¿ Part 3-1: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) ¿¿¿ General industrial applications
standard by International Electrotechnical Commission, 05/16/2017