Littelfuse JLLS-400 - Class T Fuse 400A 600V (200kA AIC)

Littelfuse JLLS-400 is a Class T low-voltage fuse from the Powr-Gard family designed to provide high-interrupting capacity protection for electrical circuits. It features a 400A current rating and 600V voltage rating with a 200kA interrupting rating at 600V for reliable fault protection. The fuse is constructed as a single-barrel unit with a 1.6-inch diameter and utilizes bolt-in connections for secure installation. This fuse complies with industry standards for Class T fuses and is typically used in industrial power distribution systems, panelboards, and switchboards where high fault current protection is required.

Key Features & Specifications

• Type: Class T low-voltage fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 1.6-inch diameter
• Standards: Class T fuse standards
• Applications: Industrial power distribution, panelboards, switchboards
• Connection: Bolt-In
• Barrels: 1
• AIC rating: 200kA@600V
• Class Rating: T
• Family: Powr-Gard
• Weight: 5.19 lb

Product Identification

• UPC: 07945819093
• GTIN: 00079458190939