Littelfuse FLSR-125 - Class RK5 Fuse 125A 600V (200kA AIC)

Littelfuse FLSR-125 is a Class RK5 fuse from the Powr-Gard family designed to provide high-interrupting capacity protection in low voltage electrical systems. It features a 125A current rating and a 600V AC voltage rating, with an impressive 200kA interrupting rating at 600V AC to safely clear high-level faults. The fuse is constructed as a single-barrel, plug-in type device with a 1.84-inch diameter and weighs 1 lb for straightforward installation. This fuse meets industry standards for Class RK5 current-limiting fuses, ensuring reliable performance in demanding industrial environments. Typical applications include motor branch circuit protection, feeder circuit protection, and service entrance equipment where high fault current protection is required.

Key Features & Specifications

• Type: Class RK5 current-limiting fuse, single barrel, plug-in connection
• Voltage Rating: 600V AC
• Current Rating: 125A
• Dimensions: 1.84-inch diameter
• Standards: Class RK5
• Applications: Motor branch circuit protection, feeder circuits, service entrance equipment
• AIC rating: 200kA@600V AC
• Connection: Plug-In
• Barrels: 1
• Class Rating: RK5
• Weight: 1 lb
• Family: Powr-Gard
• Item Subcategory: Low Voltage