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

Littelfuse LLSRK004 is a low-voltage RK1 class fuse designed for circuit protection in industrial electrical systems. It features a 600V AC/DC voltage rating and 4A current rating with a high interrupting capacity of 200kA at 600V. The fuse has a compact ferrule connection design with a single barrel construction and 0.81" diameter, meeting RK1 time-delay characteristics for motor circuit protection. It complies with industry standards for reliable overcurrent protection in demanding environments. Typical applications include motor control centers, transformers, and power distribution equipment requiring time-delay fuse protection.

Key Features & Specifications

• Type: LLSRK time-delay fuse with ferrule connection
• Voltage Rating: 600V AC/DC
• Current Rating: 4A
• Diameter: 0.81 inches
• Class Rating: RK1
• Connection: Ferrule
• Barrels: 1
• AIC rating: 200kA@600V
• Standards: UL/CSA recognized
• Applications: Motor circuits, transformers, power distribution

Product Identification

• UPC: 07945835053
• GTIN: 00079458350531