Mersen/Ferraz Shawmut TR1/2R Tri-Onic Fuse – Class RK5, 0.5A, 250V AC/DC, Time-Delay (Box of 10)

The TR1/2R is a dual-element fuse that provides superior current-limiting protection. As a Class RK5 fuse, it features a rejection-style design (a specific notch in the end cap) that prevents the installation of non-rejection fuses into the same holder, ensuring the integrity of the safety system. This model is often used in industrial control panels where high interrupting capacity is required for low-amperage loads.