Littelfuse JTD45ID - Class J Time-Delay Fuse 45A 600V (200kA AIC)

Littelfuse JTD45ID is a Class J time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. This 45A rated fuse operates at 600V AC with an impressive 200kA interrupting rating, providing reliable protection against short-circuits and overload conditions. The fuse features a robust single-barrel construction with bolt-in termination and measures 1.06 inches in diameter with a weight of 5.19 lb, ensuring secure installation in compatible fuse holders. It complies with industry standards for Class J fuses and is part of Littelfuse's Powr-Pro family, specifically engineered for low voltage applications requiring high interrupting capacity. Typical applications include motor branch circuits, transformer protection, and industrial control panels where time-delay characteristics prevent nuisance tripping during motor starting currents.

Key Features & Specifications

• Type: Class J time-delay fuse, single barrel construction with bolt-in connection
• Voltage Rating: 600V AC
• Current Rating: 45A
• 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
• Weight: 5.19 lb
• Family: Powr-Pro
• Item Subcategory: Low Voltage