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

Littelfuse JTD40ID is a Class J time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. This 600VAC rated fuse features a 40A current rating with 200kA interrupting capacity at 600V for reliable fault current protection. The single-barrel construction with 1.06-inch diameter and bolt-in connection ensures secure mounting in compatible fuse holders. Engineered to meet industry standards for Class J fuses, this Powr-Pro series component provides coordinated protection for motors, transformers, and industrial control circuits where time-delay characteristics prevent nuisance tripping during normal startup conditions.

Key Features & Specifications

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