Littelfuse FLSR-04.5ID - Time-Delay Fuse 4.5A RK5 Class (200kA AIC)

Littelfuse FLSR-04.5ID is a time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. This 4.5A fuse features a 600V AC/DC voltage rating with a high 200kA interrupting capacity at 600V for reliable fault current protection. Constructed with a single-barrel ferrule connection and measuring 0.81 inches in diameter, the RK5 class fuse provides durable performance in demanding environments. The device complies with industry standards for time-delay fuses, ensuring proper coordination with other protective devices. Typical applications include motor branch circuits, transformers, and industrial control panels where sustained overload protection and high fault current interruption are required.

Key Features & Specifications

• Type: Time-delay fuse with single-barrel ferrule connection, RK5 class rating
• Voltage Rating: 600V AC/DC
• Current Rating: 4.5A
• Dimensions: 0.81 inches diameter
• Standards: UL/CSA recognized
• Applications: Motor circuits, transformers, industrial control panels
• AIC Rating: 200kA@600V
• Connection: Ferrule
• Barrels: 1
• Class Rating: RK5
• Weight: 5.19 lb