Littelfuse FLSR020ID - RK5 Time-Delay Fuse 20A 600V (200kA AIC)

Littelfuse FLSR020ID is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial electrical systems. It features a 600V AC/DC voltage rating and 20A current rating with a 200kA interrupting capacity at 600V for reliable overcurrent protection. The fuse has a compact ferrule connection design with a 0.81-inch diameter and 5-inch length, constructed with indication capability for visual fault detection. It meets CSA, cUL, and UL safety standards for industrial applications. Typical uses include motor branch circuits, transformers, and power distribution panels requiring time-delay protection against overloads and short circuits.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with indication
• Voltage Rating: 600V AC/DC
• Current Rating: 20A
• Dimensions: 0.81" diameter x 5" length
• Weight: 0.18 lb
• Standards: CSA, cUL, UL
• Applications: Motor circuits, transformers, power distribution
• Connection: Ferrule
• Barrels: 1
• Class Rating: RK1
• AIC rating: 200kA@600V
• Certification: CSA, cUL, UL

Product Identification

• UPC: 079458025385
• GTIN: 00079458025385