Littelfuse LLSRK-300ID - Class RK1 Fuse 300A 600V (300kA AIC)

Littelfuse LLSRK-300ID is a Class RK1 low-voltage fuse designed for high-interrupting-capacity circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and 300A current rating, housed in a durable 2.59-inch diameter single-barrel design with clip connections. The fuse meets RK1 classification standards and delivers 300kA interrupting capacity at 600V AC for reliable short-circuit protection. Its construction complies with industrial safety requirements for electrical distribution equipment. Typical applications include motor control centers, switchgear, and panelboards requiring robust overcurrent protection.

Key Features & Specifications

• Type: Class RK1 time-delay fuse with current-limiting design
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 2.59" diameter
• Standards: RK1 classification
• Applications: Industrial power distribution, motor protection, switchgear
• Connection: Clip
• Barrels: 1
• AIC rating: 300kA@600V AC
• Weight: 15 lb