Littelfuse L17T400 - Current-Limiting Telecom Fuse 400A@170V (100kA AIC)

Littelfuse L17T400 is a current-limiting telecommunications fuse designed for overcurrent protection in low-voltage circuits. This 170V-rated fuse handles 400A continuous current with a 100kA interrupting capacity at rated voltage, featuring a compact 1.5" diameter single-barrel construction. The L17T series meets stringent telecommunications protection requirements with its current-limiting design that rapidly interrupts fault currents. Its industrial-grade construction makes it suitable for central office equipment, power distribution panels, and telecom infrastructure applications where reliable circuit protection is critical.

Key Features & Specifications

• Type: Current-limiting telecommunications fuse, single barrel design
• Voltage Rating: 170V AC/DC
• Current Rating: 400A
• Dimensions: 1.5" diameter
• Standards: Telecommunications circuit protection compliance
• Applications: Telecom power systems, central office equipment, power distribution
• AIC rating: 100kA@170V
• Weight: 1 lb
• Family: L17T Series Current-Limiting Telecommunications Fuses

Product Identification

• GTIN: 07945802764