The Ferraz Shawmut TR45R fuse, a Tri-Onic device from Mersen, is a dual-element fuse rated for 45 A at 250 V AC. It provides overcurrent protection by interrupting current when a fault or overload occurs, helping protect connected equipment and wiring. The TR45R designation identifies this 45 A, 250 V AC dual-element fuse within the Ferraz Shawmut/Mersen Tri-Onic product family.
