We supply marathon brand alternators which is manufactured in compliance with the CEI 2-3 file 11111 national standard. This Italian standard corresponds to the European standard EN 60034-1 and to the international standard IEC 60034-1; it is related also to the British standard BS 4999 Part 101; it is equivalent to the German standard VDE 0530 Part 1, and it is included in the French standard NF 51.111. Joule motion industrial generators also meet the requirements of international ISO 8528-3 standard (Reciprocating internal combustion engine driven alternating current generating sets – Part 3: Alternating current generators for generating sets) and the requirements of NEMA MG 1-2011 (Motors and Generators).