Littelfuse FLSR-400 - RK5 Class Fuse 400A 600V (200kA AIC)

Littelfuse FLSR-400 is a current-limiting fuse designed for robust overcurrent protection in low voltage power distribution systems. It features a 400A current rating and a 600V AC voltage rating, providing high interrupting capacity for demanding electrical environments. The fuse is constructed as a single-barrel, plug-in type unit with a 2.59-inch diameter and is built to meet the RK5 class rating for time-delay characteristics. This Powr-Gard series component complies with industry standards for safety and performance in industrial applications. It is typically applied in motor control centers, industrial control panels, and feeder circuits where a 200kA interrupting rating at 600V is required.

Key Features & Specifications

• Type: FLSR Series, RK5 Class, Time-Delay, Current-Limiting, Plug-In Fuse
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 2.59" Diameter
• Standards: UL Listed, CSA Certified
• Applications: Motor Control Centers, Industrial Control Panels, Feeder Circuits
• AIC rating: 200kA@600V
• Connection: Plug-In
• Barrels: 1
• Class Rating: RK5
• Weight: 3 lb
• Family: Powr-Gard
• Item Subcategory: Low Voltage