Littelfuse LLSRK004 - Class RK1 Fuse 4A 600V (200kA AIC Rating)

The Littelfuse LLSRK004 is a Class RK1 low-voltage current-limiting fuse designed to provide reliable overcurrent protection in industrial electrical systems. It features a 600V AC voltage rating with a 4A current rating and offers high interrupting capacity of 200kA at 600V for superior fault current protection. The fuse construction utilizes a single-barrel design with ferrule connections and measures 0.81 inches in diameter, weighing 5.19 pounds for robust industrial applications. This fuse meets industry standards for RK1 class fuses, ensuring compatibility with existing protection schemes. Typical applications include motor branch circuits, transformer protection, and industrial control panels where high fault current interruption is required.

Key Features & Specifications

• Type: Class RK1 current-limiting fuse, single barrel design with ferrule connections
• Voltage Rating: 600V AC
• Current Rating: 4A
• Dimensions: 0.81 inches diameter
• Standards: RK1 class compliance
• Applications: Motor branch circuits, transformer protection, industrial control panels
• AIC rating: 200kA@600V
• Connection: Ferrule
• Barrels: 1
• Class Rating: RK1
• Weight: 5.19 lb

Product Identification

• UPC: 07945835053
• GTIN: 00079458350531