Littelfuse IDSR020 - RK5 Time-Delay Fuse 20A 600V (200kA AIC)

Littelfuse IDSR020 is a UL Class RK5 dual-element time-delay fuse designed for overcurrent protection in industrial electrical systems. It features a 600V AC/DC voltage rating and 20A current rating with a 200kA interrupting capacity, housed in a compact 5-1/2" body with 0.81" diameter and 0.18 lb weight. The fuse incorporates visual indication and meets CSA, cUL, and UL standards for safety compliance. Typical applications include motor protection, transformer circuits, and power distribution panels where reliable time-delay characteristics are required.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with visual indication
• Voltage Rating: 600V AC/DC
• Current Rating: 20A
• Dimensions: 5-1/2" length x 0.81" diameter
• Weight: 0.18 lb
• Standards: CSA, cUL, UL listed
• Applications: Motor circuits, transformers, power distribution
• AIC rating: 200kA@600V
• Class Rating: RK5
• Barrels: 1
• Country of Origin: Mexico

Product Identification

• UPC: 07945801560
• GTIN: 00079458015607