Littelfuse IDSR045 - RK5 Time-Delay Fuse 45A 600V (200kA AIC)

Littelfuse IDSR045 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 45A current capacity and 200kA interrupting rating at 600V for reliable circuit protection. The fuse measures 1.06" in diameter with a single-barrel construction and weighs 3.29 lb, meeting UL Standard 248-12 and CSA certifications. Its time-delay characteristics and visual indication make it suitable for motor circuits, transformers, and power distribution panels where selective coordination is required.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with indication
• Voltage Rating: 600V AC
• Current Rating: 45A
• Dimensions: 1.06" diameter
• Standards: UL 248-12, CSA certified
• Applications: Motor circuits, transformers, power distribution
• Class Rating: RK5
• AIC rating: 200kA@600V
• Barrels: 1
• Weight: 3.29 lb

Product Identification

• UPC: 007945801565
• GTIN: 00079458015652