scope:

Applies to plugs and socket-outlets, cable couplers and appliance couplers, with a rated operating voltage not exceeding 690 V d.c. or a.c. and 500 Hz a.c. and a rated current not exceeding 250 A, primarily intended for industrial use, either indoors or outdoors. The list of preferred ratings is not intended to exclude other ratings, requirements for which are under consideration. This European Standard applies to Series I products only. Series II products are not allowed and not suitable for use in Europe: reference and requirements for Series II products are reported in this standard for information only and shall be ignored. This European Standard applies to products intended to be used with cables with metric sizes (mm2) only. Reference and requirements to AWG and MCM cables are present in the relevant IEC publication and they are reported in this standard for information only. See Annex ZB for a list of references to Series II and/or AWG/MCM cable which are excluded from this standard.