Littelfuse JTD4 - Class J Time-Delay Fuse 4A 600V (200kA AIC)

Littelfuse JTD4 is a Class J time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. It features a 600V AC voltage rating with a 4A current rating, providing reliable overcurrent protection while withstanding temporary inrush currents. The fuse construction includes a single barrel design with bolt-in connection terminals and measures 0.81 inches in diameter with a weight of 5.19 lb. Compliant with industry standards for Class J fuses, this Powr-Pro series component delivers 200kA interrupting capacity at 600V for robust fault protection. Typical applications include motor branch circuits, transformer protection, and industrial control panels where high interrupting capacity and time-delay characteristics are required.

Key Features & Specifications

• Type: Class J time-delay fuse, single barrel construction with bolt-in connection
• Voltage Rating: 600V AC
• Current Rating: 4A
• Dimensions: 0.81 inches diameter
• Standards: Class J fuse compliance
• Applications: Industrial power distribution, motor branch circuits, transformer protection
• AIC rating: 200kA@600V
• Connection: Bolt-In
• Barrels: 1
• Class Rating: J
• Weight: 5.19 lb
• Family: Powr-Pro
• Item Subcategory: Low Voltage