Littelfuse LLSRK-400 is a time-delay, current-limiting fuse from the Powr-Gard family designed to provide reliable overcurrent protection for industrial power distribution systems. It features a 400A current rating and a 600V AC voltage rating, with a high interrupting capacity of 300kA at 600V AC. The fuse is constructed as a single-barrel, RK1 class unit with a 2.59-inch diameter and a clip-style connection, weighing 15 lb. It is engineered to meet stringent industry standards for safety and performance in demanding electrical environments, making it suitable for protecting feeders, mains, and motor circuits where high fault currents and sustained overloads are concerns.
Key Features & Specifications
Type: Time-delay, current-limiting, RK1 class fuse, single barrel
Voltage Rating: 600V AC
Current Rating: 400A
Dimensions: 2.59" diameter
Standards: Designed to meet applicable industry standards for RK1 fuses
Applications: Industrial power distribution, feeder and mains protection, motor circuit protection