Littelfuse IDSR250 - RK5 Time-Delay Fuse 250A (200kA@600V Interrupt Rating)

Littelfuse IDSR250 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 250A current capacity, it features a 200kA interrupting rating and complies with IEC 60127-2 standards. The fuse has a single-barrel construction with a 2.59" diameter and weighs 3.72 lb, providing reliable overload and short-circuit protection in demanding environments. Its RK5 classification ensures selective coordination in electrical distribution systems, making it suitable for motor control centers, transformers, and feeder circuits.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with visual indication
• Voltage Rating: 600V AC/DC
• Current Rating: 250A
• Dimensions: 2.59" diameter
• Weight: 3.72 lb
• Standards: IEC 60127-2 compliant
• Applications: Motor controls, transformers, feeder circuits
• Class Rating: RK5
• Barrels: 1
• AIC rating: 200kA@600V
• Country of Origin: Mexico

Product Identification

• UPC: 07945801579
• GTIN: 00079458015799