Littelfuse FLSR-300ID - RK5 Class Fuse 300A@600V (200kA AIC)

Littelfuse FLSR-300ID is a low-voltage current-limiting fuse from the Powr-Gard family, designed for circuit protection in industrial power distribution systems. It features a 600V AC rating with a 300A current capacity and 200kA interrupting rating at 600V, housed in a compact 2.59" diameter RK5-class body with rejection blade terminals for secure connection. The single-barrel construction meets UL/CSA standards for branch circuit protection in demanding environments. Typical applications include motor control centers, switchgear, and panelboards requiring high interrupting capacity.

Key Features & Specifications

• Type: Current-limiting fuse (FLSR_ID), ceramic body with sand filler
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2.59" diameter
• Standards: UL 248-5, CSA C22.2 No. 248.5
• Applications: Industrial power distribution, MCCs, switchgear
• Class Rating: RK5
• Connection: Rejection blade
• Barrels: 1
• AIC rating: 200kA@600V
• Weight: 3 lb

Product Identification

• UPC: 07945802558
• GTIN: 00079458025583