Littelfuse JTD40 - JTD Class Fuse 40A 600V (200kA AIC)

Littelfuse JTD40 is a bolt-in time-delay fuse designed for circuit protection in industrial power distribution systems. It features a 600V AC rating with a 40A current capacity and 200kA interrupting rating at 600V for reliable short-circuit protection. The fuse has a compact 1.06" diameter cylindrical design with single-barrel construction and bolt-in terminals for secure installation. Compliant with Class J standards, it meets rigorous industrial safety requirements for motor circuits and transformer protection. Typical applications include industrial control panels, HVAC systems, and heavy machinery where time-delay characteristics prevent nuisance tripping during motor startups.

Key Features & Specifications

• Type: JTD time-delay fuse with single-barrel construction
• Voltage Rating: 600V AC
• Current Rating: 40A
• Diameter: 1.06" (26.92mm)
• Standards: Class J fuse rating
• Applications: Motor circuits, transformers, industrial power distribution
• Connection: Bolt-in terminals
• Barrels: 1
• AIC rating: 200kA@600V
• Family: Powr-Pro series

Product Identification

• UPC: 079458025910
• GTIN: 00079458025910