Littelfuse FLNR-300ID - Class L Current-Limiting Fuse 300A @ 600V AC (UL 248-12/CSA Certified)

Littelfuse FLNR-300ID is a low-voltage current-limiting fuse designed for industrial circuit protection. It features a 300A current rating and 600V AC voltage rating, with a compact cylindrical design constructed for durability in harsh environments. The fuse meets UL 248-12 standards and is CSA certified for reliable performance in motor control centers, switchgear, and power distribution systems. Its current-limiting action provides superior short-circuit protection while minimizing arc flash hazards in industrial applications.

Key Features & Specifications

• Type: Current-limiting fuse with ceramic body and silver-element construction
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2.25" (57.15mm) diameter x 3.5" (88.9mm) length
• Standards: UL 248-12, CSA certified
• Applications: Motor control centers, switchgear, industrial power distribution
• Fuse Class: Class L
• Interrupting Rating: 200kA
• Operating Temperature: -40°C to +100°C
• Mounting: Bolt-on terminal connection