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.
IEC 60309-2 Ed. 4.0 b:1999 History
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IEC 60309-2 Ed. 4.0 b:1999
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