Littelfuse FLSR-300 - RK5 Time-Delay Fuse 300A (200kA AIC, 600V)

Littelfuse FLSR-300 is a time-delay fuse designed for providing reliable circuit protection in low voltage power distribution systems. It features a 600V AC voltage rating and a 300A current rating, engineered to handle high fault currents with an interrupting rating of 200,000 amperes at 600V AC. The fuse is constructed as a single-barrel, plug-in type with a 2.59-inch diameter and a weight of 3 lb, conforming to the RK5 class for dual-element protection. It meets industry standards for time-delay characteristics, allowing it to withstand temporary overloads without unnecessary interruption. Typical applications include the protection of motor circuits, transformers, and feeder circuits in industrial and commercial electrical systems.

Key Features & Specifications

• Type: FLSR, Time-Delay, Dual-Element, Plug-In Fuse, RK5 Class
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2.59 inch Diameter
• Standards: RK5 Class
• Applications: Motor Circuits, Transformers, Feeder Circuits
• AIC rating: 200kA @ 600V AC
• Connection: Plug-In
• Barrels: 1
• Class Rating: RK5
• Diameter: 2.59 inch
• Weight: 3 lb