Ferraz Shawmut 621CPURE146 Protistor Fuse is a 600V Protistor fuse designed to protect electrical circuits from overcurrent by interrupting excessive current. This listing notes a box of six units, providing a ready supply for installation, replacement, or service projects where Ferraz Shawmut Protistor fuses are specified. The model designation 621CPURE146 places this part within Ferraz Shawmut's Protistor family, confirming its form factor and compatibility with systems that require a 600V Protistor fuse in this series.
