Littelfuse JLLN-450 - Class T Fuse 450A (200kA@300V Interrupt Rating)

Littelfuse JLLN-450 is a Class T low-voltage fuse designed for high-current circuit protection in industrial power distribution systems. This 450A-rated fuse features a 300V AC/DC voltage rating and delivers 200kA interrupting capacity at 300V for reliable short-circuit protection. The single-barrel construction with 1.6-inch diameter meets UL/CSA standards for time-delay operation and features a compact, durable design. Compliant with industry safety requirements, this Powr-Gard series fuse is engineered for motor branch circuits, service entrances, and transformer protection applications where high fault currents are present.

Key Features & Specifications

• Type: Class T time-delay low-voltage fuse
• Voltage Rating: 300V AC/DC
• Current Rating: 450A
• Diameter: 1.6 inches
• Standards: UL/CSA listed
• Applications: Industrial power distribution, motor circuits, transformers
• AIC rating: 200kA@300V
• Class Rating: T
• Barrels: 1

Product Identification

• UPC: 07945818095
• GTIN: 00079458180954