Littelfuse IDSR350 - RK5 Time-Delay Fuse 350A (200kA@600V Interrupt Rating)

Littelfuse IDSR350 is a UL Class RK5 dual-element time-delay fuse designed for industrial circuit protection with visual indication. It features a 600V AC/DC voltage rating and 350A current capacity, housed in a durable 2.59-inch diameter barrel construction weighing 1 lb. The fuse meets UL Standard 248-12 and CSA certifications, with a 200kA interrupting capacity at 600V for high-fault protection. Typical applications include motor control centers, industrial panels, and power distribution systems requiring reliable overload and short-circuit protection.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with indication
• Voltage Rating: 600V AC/DC
• Current Rating: 350A
• Dimensions: 2.59" diameter barrel
• Standards: UL 248-12, CSA certified
• Applications: Motor controls, industrial panels, power distribution
• Class Rating: RK5
• AIC rating: 200kA@600V
• Weight: 1 lb
• Construction: Single barrel design

Product Identification

• UPC: 07945801581
• GTIN: 00079458015812