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