Littelfuse JTD40ID - Class J Time-Delay Fuse 40A 600V (200kA AIC)

Littelfuse JTD40ID is a Class J time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. This 40A rated fuse operates at 600V AC/DC with an impressive 200kA interrupting rating at 600V for reliable fault current protection. The fuse features a compact single-barrel construction with 1.06-inch diameter and bolt-in connection terminals for secure installation. It complies with UL/CSA standards for Class J fuses and is part of Littelfuse's Powr-Pro family of low-voltage protection devices. Typical applications include motor branch circuits, transformer protection, and industrial control panels where time-delay characteristics prevent nuisance tripping during temporary overload conditions.

Key Features & Specifications

• Type: Class J time-delay fuse, single barrel construction with bolt-in connection
• Voltage Rating: 600V AC/DC
• Current Rating: 40A
• Dimensions: 1.06" diameter
• Standards: UL/CSA Class J
• Applications: Industrial power distribution, motor protection, transformer circuits
• AIC rating: 200kA@600V
• Connection: Bolt-In
• Barrels: 1
• Class Rating: J
• Weight: 5.19 lb
• Item Subcategory: Low Voltage
• Family: Powr-Pro