Littelfuse JLLN-400 - Class T Fuse 400A (200kA AIC @ 300V)

Littelfuse JLLN-400 is a Class T low-voltage fuse from the Powr-Gard family, engineered to provide fast-acting protection for electrical circuits against short-circuits and overloads. It features a 400A current rating and a 300V voltage rating, with an impressive 200kA interrupting capacity at its rated voltage to safely clear high-level faults. The fuse is constructed as a single-barrel unit with a 1.31-inch diameter and a robust build, weighing 5.19 lb for secure installation. It is designed to meet relevant industry standards for safety and performance in demanding electrical environments. Typical applications include protection in industrial control panels, power distribution systems, and service entrance equipment where high interrupting capacity and fast operation are critical.

Key Features & Specifications

• Type: Class T, Fast-Acting, Low-Voltage Fuse, Single Barrel
• Voltage Rating: 300V AC
• Current Rating: 400A
• Dimensions: 1.31" Diameter
• Standards: Meets industry standards for low-voltage fuses
• Applications: Industrial control panels, power distribution, service entrance equipment
• AIC rating: 200kA @ 300V
• Class Rating: T
• Barrels: 1
• Weight: 5.19 lb

Product Identification

• UPC: 07945818093
• GTIN: 00079458180930