Littelfuse FLSR-300 - Class RK5 Fuse 300A@600V (200kA AIC)

Littelfuse FLSR-300 is a Class RK5 low-voltage fuse designed for high-interrupting circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and 300A current rating with a 200kA interrupting capacity at 600V, housed in a compact 2.59" diameter plug-in design with single-barrel construction. The fuse meets RK5 classification standards for time-delay characteristics and high fault-current protection, constructed with durable materials for reliable performance in demanding environments. Typical applications include motor control centers, panelboards, and switchgear requiring selective coordination and overload protection.

Key Features & Specifications

• Type: Class RK5 time-delay fuse with plug-in connection
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2.59" diameter
• Standards: UL/CSA listed, RK5 classification
• Applications: Industrial power distribution, motor protection, panelboards
• AIC rating: 200kA@600V
• Connection: Plug-In
• Barrels: 1
• Weight: 3 lb
• Family: Powr-Gard