Littelfuse L17T400 - Current-Limiting Telecommunications Fuse 400A (170V, 100kA AIC)

Littelfuse L17T400 is a current-limiting telecommunications fuse designed for overcurrent protection in low voltage applications. This 400A rated fuse operates at 170V with an interrupting rating of 100kA, providing robust fault current protection. The single-barrel construction features a 1.5-inch diameter and weighs 1 lb, engineered for reliable performance in demanding environments. As part of the Powr-Gard family, this L17T series fuse meets industry standards for telecommunications equipment protection. Typical applications include telecom power systems, network equipment, and industrial control circuits requiring high-interrupting capacity.

Key Features & Specifications

• Type: Current-Limiting Telecommunications Fuse, Single Barrel
• Voltage Rating: 170V
• Current Rating: 400A
• Dimensions: 1.5-inch Diameter
• Weight: 1 lb
• AIC Rating: 100kA@170V
• Family: Powr-Gard L17T Series
• Item Subcategory: Low Voltage
• Barrels: 1

Product Identification

• UPC: 079458027648
• GTIN: 07945802764