Littelfuse FLNR-004 - Time-Delay Fuse 4A 250V (Ceramic Body)

Littelfuse FLNR-004 is a time-delay fuse designed to provide reliable circuit protection against overcurrent conditions in industrial electrical systems. It features a 250V AC voltage rating and a 4A current rating, ensuring safe operation under specified electrical loads. The fuse is constructed with a durable ceramic body and brass end caps, weighing 0.8 lb for robust performance in demanding environments. It complies with industry standards including UL/CSA certifications for safety and reliability. Typical applications include motor protection, transformer circuits, and industrial control panels where time-delay characteristics prevent nuisance blowing during temporary overloads.

Key Features & Specifications

• Type: Time-delay fuse with ceramic body and brass end caps
• Voltage Rating: 250V AC
• Current Rating: 4A
• Dimensions: Standard FLNR size (0.5" diameter × 1.5" length)
• Standards: UL 248-10, CSA C22.2
• Applications: Motor circuits, transformers, industrial control panels
• Fuse Class: FLNR (250V time-delay)
• Weight: 0.8 lb
• Interrupting Rating: 200kA at 250V AC
• Mounting: Panel mount with standard fuse clips