Littelfuse IDSR100 - RK5 Dual-Element Time-Delay Fuse 600V 100A (200kA AIC)

Littelfuse IDSR100 is a UL Class RK5 dual-element time-delay fuse designed for industrial circuit protection with visual indication. Rated for 600V AC/DC systems with a 100A current capacity, it features a 200kA interrupting rating at 600V for high-fault protection. The fuse measures 7 7/8" in length with a 1.31" diameter barrel construction, weighing 0.61 lb for robust mechanical durability. Compliant with CSA, cUL, and UL standards, this Mexico-manufactured component is engineered for motor branch circuits, transformer protection, and other demanding applications requiring time-delay characteristics.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with visual indication
• Voltage Rating: 600V AC/DC
• Current Rating: 100A
• Dimensions: 7 7/8" length x 1.31" diameter
• Weight: 0.61 lb
• Standards: CSA, cUL, UL listed
• Applications: Motor circuits, transformer protection, industrial controls
• Class Rating: RK5
• Barrels: 1
• AIC rating: 200kA@600V

Product Identification

• UPC: 079458015720