Ferraz Shawmut US221I Fuse Holder is a component designed to securely hold a protective fuse in electrical protection circuits. Identified by the model US221I, it is part of Ferraz Shawmut’s fuse holder lineup and is used to enable reliable fuse operation inside electrical enclosures and equipment. This holder provides the mounting and electrical contact interface required for a replaceable fuse to interrupt current when a fault occurs in industrial or commercial systems.
