Littelfuse FLNR-400 - Class R Fuse 400A 600V AC
Littelfuse FLNR-400 - Class R Fuse 400A 600V AC
Littelfuse FLNR-400 - Class R Fuse 400A 600V AC
Littelfuse FLNR-400 - Class R Fuse 400A 600V AC

Littelfuse FLNR-400 - Class R Fuse 400A 600V AC

Littelfuse
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Littelfuse FLNR-400 is a low-voltage current-limiting fuse designed for branch circuit and feeder protection in industrial power distribution systems. It features a 600V AC voltage rating and a 400A current rating, providing a high level of fault current interruption. The fuse is constructed with a durable ceramic body and silver-plated copper end caps, ensuring reliable performance and heat dissipation in demanding environments. It complies with UL 248-12 standards for Class R fuses, offering rejection features to prevent installation of a lower interrupting rating fuse. Typical applications include protecting motor control centers, switchboards, and industrial machinery where selective coordination and equipment safety are critical.

Key Features & Specifications
  • Type: Class R, current-limiting, one-time fuse with ceramic body and silver-plated copper end caps
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: Refer to manufacturer datasheet for specific barrel length and end cap dimensions
  • Standards: UL 248-12
  • Applications: Branch circuit and feeder protection in motor control centers, switchboards, and industrial power distribution
  • Fuse Class: R
  • Item Subcategory: Low Voltage
  • Weight: 5.19 lb


Product Identification
  • UPC: 007945815093
  • GTIN: 00079458150933