Littelfuse LLNRK-400 - Class RK1 Fuse 400A (200kA AIC @ 250V)

Littelfuse LLNRK-400 is a Class RK1 fuse designed for providing high-interrupting capacity protection in industrial electrical systems. It features a 400A current rating and a 250V AC voltage rating, capable of safely interrupting faults up to 200,000 amperes at its rated voltage. The fuse is constructed with a durable body and has a weight of 5.19 lb, engineered for reliable performance and secure mounting. It is built to meet applicable industry standards for safety and performance. Typical applications include protection of motor circuits, feeders, and branch circuits in industrial control panels and power distribution equipment.

Key Features & Specifications

• Type: Class RK1, High-Interrupting Capacity, Time-Delay Fuse
• Voltage Rating: 250V AC
• Current Rating: 400A
• AIC Rating: 200kA @ 250V AC
• Weight: 5.19 lb
• Standards: Meets applicable industry standards for safety and performance
• Applications: Industrial motor protection, feeder and branch circuit protection, power distribution equipment