Ferraz Shawmut W330023 Protistor fuse is an 80 A high-voltage device rated for 660 to 690 V. As part of the Protistor family from Ferraz Shawmut, it provides overcurrent protection for electrical equipment in industrial power systems operating at this voltage level. The W330023 designation identifies this specific 80 A, 660–690 V Protistor fuse within Ferraz Shawmut's high-voltage protection lineup.
