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Automatic Phase Switch FF PF-441 for Use with Contactors — PF-441
Summary description:
Automatic phase switch FF PF-441 is designed to monitor and automatically switch supply phases for coordinated operation with contactors. The device detects phase loss or asymmetry and transfers load to an available phase to protect three-phase equipment. Suitable for industrial and commercial installations requiring phase changeover and continuity of power supply when used alongside contactors.