Littelfuse IDSR125 - RK5 Dual-Element Time-Delay Fuse 125A (200kA@600V Interrupting Capacity)

Littelfuse IDSR125 is a UL Class RK5 dual-element time-delay fuse designed for overcurrent protection in industrial electrical systems. It features a 600V AC/DC voltage rating and 125A current rating with a 200kA interrupting capacity at 600V, housed in a durable 1.84" diameter barrel construction weighing 1.43 lb. The fuse meets IEC 60127-2 standards and provides visual indication for fault detection, making it suitable for motor protection, transformer circuits, and power distribution applications requiring high interrupting capacity.

Key Features & Specifications

• Type: UL Class RK5 dual-element time-delay fuse with indication
• Voltage Rating: 600V AC/DC
• Current Rating: 125A
• Dimensions: 1.84" diameter, single-barrel design
• Standards: IEC 60127-2 compliant
• Applications: Motor protection, transformer circuits, power distribution
• Class Rating: RK5
• AIC rating: 200kA@600V
• Weight: 1.43 lb
• Country of Origin: Mexico

Product Identification

• UPC: 07945801574
• GTIN: 00079458015744