Littelfuse KLSR-400 - RK1 Class Fuse 400A (600V Medium Voltage)

Littelfuse KLSR-400 is a current-limiting fuse designed for medium voltage circuit protection in industrial power systems. It features a 600V AC voltage rating and a 400A current rating to handle substantial electrical loads. The fuse is constructed with a durable body and utilizes a time-delay, RK1 class design for safe interruption of both overloads and high-level short circuits. This product complies with relevant industry standards for electrical safety and performance. Typical applications include protecting motor circuits, feeders, and branch circuits in industrial facilities, service entrance equipment, and HVAC systems.

Key Features & Specifications

• Type: Current-Limiting, Time-Delay, RK1 Class Fuse
• Voltage Rating: 600V AC
• Current Rating: 400A
• Class Rating: RK1
• Item Subcategory: Medium Voltage
• Applications: Motor circuit protection, industrial feeders, branch circuits, service entrance equipment, HVAC systems