Littelfuse JLS-400 - JLS Class Fuse 400A (200kA AIC @ 600V AC)

Littelfuse JLS-400 is a current-limiting fuse designed for robust overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and a 400A current rating, providing reliable circuit interruption. The fuse is constructed with a durable design and weighs 1.75 lb, ensuring physical robustness for demanding environments. It complies with relevant industry standards for safety and performance, including its impressive 200kA interrupting rating at 600V AC. Typical applications include protection in motor control centers, industrial control panels, and feeder circuits where high fault current interruption is critical.

Key Features & Specifications

• Type: Current-Limiting Fuse
• Voltage Rating: 600V AC
• Current Rating: 400A
• AIC Rating: 200kA @ 600V AC
• Weight: 1.75 lb
• Standards: UL Listed, CSA Certified
• Applications: Industrial power distribution, motor control centers, feeder circuit protection
• Fuse Class: JLS