Littelfuse JLLN-040 - Class T Fuse 40A 300V (200kA AIC)

Littelfuse JLLN-040 is a Class T low-voltage fuse designed to provide fast-acting protection for electrical circuits and equipment. It features a 40A current rating and a 300V AC voltage rating, with a high 200kA interrupting rating at 300V for reliable short-circuit protection. The fuse is constructed as a single-barrel design with a 0.56-inch diameter and weighs 5.19 lb, meeting industry standards for time-delay applications. This Powr-Gard series component is engineered for demanding industrial environments including power distribution systems, industrial control panels, and motor branch circuits where high-interrupting capacity and current limitation are critical.

Key Features & Specifications

• Type: Class T, fast-acting, time-delay, low-voltage fuse, single barrel
• Voltage Rating: 300V AC
• Current Rating: 40A
• Dimensions: 0.56" diameter
• Standards: UL/CSA certified
• Applications: Industrial power distribution, motor protection, control circuits
• AIC rating: 200kA@300V
• Class Rating: T
• Barrels: 1
• Weight: 5.19 lb

Product Identification

• UPC: 07945818075
• GTIN: 00079458180756