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FF automatic phase changeover switch PF-431 16A 3x230V+N
Summary description:
Automatic phase changeover switch FF PF-431 is a 16A device designed for three-phase installations with neutral (3x230V+N). It monitors supply phases and automatically switches between them to maintain power continuity. Suitable for protecting single-phase loads fed from a multi-phase network, backup power transfer and preventing outages in residential or light commercial electrical systems.