ABB REL670 Operator's Manual page 6

Conformity
This product complies with the directive of the Council of the European Communities
on the approximation of the laws of the Member States relating to electromagnetic
compatibility (EMC Directive 2004/108/EC) and concerning electrical equipment for
use within specified voltage limits (Low-voltage directive 2006/95/EC). This
conformity is the result of tests conducted by ABB in accordance with the product
standards EN 50263 and EN 60255-26 for the EMC directive, and with the product
standards EN 60255-1 and EN 60255-27 for the low voltage directive. The IED is
designed in accordance with the international standards of the IEC 60255 series and
ANSI C37.90.