Plugs, socket-outlets and couplers for industrial purposes. Part 2:
Dimensional interchangeability requirements for pin and
contact-tube accessories— 87 стр.
Applies to plugs and socket-outlets, cable couplers with a rated operating voltage not exceeding 690 V, 500 Hz and a rated current not exceeding 125 A. , primarily intented for industrial use , either indoors or outdoors.
