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Novatek PEF 301 Phase Inverter Automatic Phase Selector Switch Novatek PEF 301 P The Novatek PEF 301 universal automatic electronic phase switch is designed to supply a single phase 220V 50Hz appliance from a three phase four wire mains supply 3x 380 N in order to maintain an uninterrupted power supply for essential single phase equipment and protect it against unallowable voltage variations in the mains P P To this end a single phase load is connected to the three phase mains via th
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