This part serves as the foundation for the entire series. According to the International Electrotechnical Commission (IEC) , it defines definitions, service conditions, technical characteristics, and verification requirements applicable to all types of assemblies.
One of the most practical features of IEC 61439-2 is the classification of (Form 1, 2, 3, 4a, 4b) defining the degree of internal separation between: iec 614391 and 2 pdf
Interface characteristics (rated voltage, current, and frequency). This part serves as the foundation for the entire series