Littelfuse LLSRK-200 - Class RK1 Time-Delay Fuse 200A (300kA@600V AC Interrupting Rating)

Littelfuse LLSRK-200 is a Class RK1 time-delay fuse from the Powr-Gard family, engineered to provide superior short-circuit and overload protection for low voltage electrical systems. It features a 200A current rating and a 600V AC voltage rating, with an impressive 300kA interrupting rating at 600V AC to ensure reliable circuit protection under high fault conditions. The fuse is constructed as a single-barrel unit with a 1.84-inch diameter and utilizes clip-style connections for secure installation. This fuse complies with industry standards for RK1 classification, offering time-delay characteristics to prevent nuisance tripping from temporary overloads. It is commonly deployed in industrial power distribution systems, motor branch circuits, and feeder protection applications where high interrupting capacity and selective coordination are required.

Key Features & Specifications

• Type: Class RK1 time-delay fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 200A
• Dimensions: 1.84-inch diameter
• Standards: RK1 classification
• Applications: Industrial power distribution, motor protection, feeder circuits
• AIC rating: 300kA@600V AC
• Connection: Clip
• Barrels: 1
• Class Rating: RK1
• Family: Powr-Gard
• Item Subcategory: Low Voltage
• Weight: 15 lb