Littelfuse FLNR-250 is a low-voltage current-limiting fuse designed for branch circuit and feeder protection in industrial electrical systems. It is rated for 250A at 600V AC and features a time-delay (TD) characteristic to withstand harmless inrush currents while providing fast clearing of short circuits. The fuse is constructed as a single-barrel RK5 class device with a 0.56-inch diameter, meeting industry standards for reliable overcurrent protection in demanding applications such as panelboards, switchboards, and motor control centers.
Key Features & Specifications
Type: Low-voltage, current-limiting, time-delay (TD) fuse, RK5 class, single-barrel construction
Voltage Rating: 600V AC
Current Rating: 250A
Dimensions: 0.56 in diameter
Standards: Compliant with UL/CSA standards for Class RK5 fuses
Applications: Branch circuit and feeder protection in industrial panelboards, switchboards, and motor control centers