Littelfuse IDSR300 - RK5 Dual-Element Time-Delay Fuse 300A (200kA@600V Interrupt Rating)

Littelfuse IDSR300 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 300A current capacity, it features a 200kA interrupting rating and durable single-barrel construction measuring 2.59" in diameter. Compliant with UL and CSA standards, this 3.45 lb fuse provides reliable overcurrent protection for motor control centers, industrial panels, and power distribution equipment requiring high fault current interruption.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with visual indication
• Voltage Rating: 600V AC/DC
• Current Rating: 300A
• Dimensions: 2.59" diameter single-barrel design
• Standards: UL, CSA certified
• Applications: Motor control centers, industrial panels, power distribution
• Class Rating: RK5
• AIC rating: 200kA@600V
• Weight: 3.45 lb

Product Identification

• UPC: 007945801580
• GTIN: 00079458015805