Littelfuse JLS45 - Class J Time-Delay Fuse 45A (200kA@600V AIC)

Littelfuse JLS45 is a Class J time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. This 45A rated fuse provides reliable protection with a 600V AC voltage rating and exceptional 200kA interrupting capacity at 600V AC. The fuse features a compact single-barrel construction with a 1.06-inch diameter, engineered for space-efficient panel mounting while maintaining robust performance characteristics. It complies with industry standards for Class J fuses, ensuring consistent protection coordination and selective coordination in complex electrical systems. Typical applications include motor branch circuit protection, feeder circuit protection, and industrial control panel applications where high interrupting capacity and time-delay characteristics are required.

Key Features & Specifications

• Type: Class J time-delay fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 45A
• Dimensions: 1.06-inch diameter
• Standards: Class J fuse standards
• Applications: Motor branch circuit protection, feeder circuits, industrial control panels
• AIC rating: 200kA@600V AC
• Class Rating: J
• Barrels: 1
• Family: Powr-Gard
• Item Subcategory: Low Voltage