Littelfuse LLSRK450 - Class RK1 Fuse 450A (200kA AIC @600V)

Littelfuse LLSRK450 is a Class RK1 current-limiting fuse from the Powr-Gard family designed for robust overcurrent protection in low voltage industrial applications. It features a 450A current rating and 600V voltage rating with a high 200kA interrupting capacity at 600VAC for reliable circuit protection. The fuse construction utilizes a single-barrel design with clip connection terminals and measures 3.09 inches in diameter with a weight of 5.41 lb. This fuse meets industry standards for RK1 classification, ensuring time-delay characteristics and current-limiting performance. Typical applications include industrial control panels, motor circuits, and power distribution systems where high fault current protection is required.

Key Features & Specifications

• Type: Class RK1 current-limiting fuse, single barrel design
• Voltage Rating: 600V AC
• Current Rating: 450A
• Dimensions: 3.09 inches diameter
• Standards: RK1 classification
• Applications: Industrial control panels, motor circuits, power distribution
• AIC Rating: 200kA@600V
• Connection: Clip terminal
• Barrels: 1
• Class Rating: RK1
• Weight: 5.41 lb
• Family: Powr-Gard
• Item Subcategory: Low Voltage

Product Identification

• UPC: 079458350951