Littelfuse IDSR003 - RK5 Time-Delay Fuse 3A 600V (200kA AIC)

Littelfuse IDSR003 is a UL Class RK5 dual-element time-delay fuse designed for overcurrent protection in industrial electrical systems. It features a 600V AC rating with a 3A current capacity and 200kA interrupting rating, housed in a compact 0.81-inch diameter barrel construction weighing 0.13 lb. The fuse meets UL Standard 248-12 and CSA certifications, incorporating visual indication for fault detection. Typical applications include motor branch circuits, transformers, and power distribution panels requiring time-delay protection against inrush currents.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with indication
• Voltage Rating: 600V AC
• Current Rating: 3A
• Dimensions: 0.81" diameter
• Standards: UL 248-12, CSA certified
• Applications: Motor circuits, transformers, power distribution
• Class Rating: RK5
• Barrels: 1
• AIC rating: 200kA@600V
• Weight: 0.13 lb
• Country of Origin: Mexico

Product Identification

• UPC: 07945801543
• GTIN: 00079458015430