Littelfuse KLK-004 - Medium Voltage Current-Limiting Fuse 600VAC/400A (UL 248-12 Compliant)

Littelfuse KLK-004 is a medium-voltage current-limiting fuse designed for overcurrent protection in industrial power distribution systems. It features a 600V AC rating with a 400A current capacity, housed in a durable ceramic body with silver-plated copper end caps for reliable conductivity. The fuse meets UL 248-12 and IEC 60269 standards, ensuring compliance with international safety requirements. Its compact 76mm x 38mm cylindrical form factor makes it suitable for panel-mounted applications in motor control centers, transformers, and feeder circuits.

Key Features & Specifications

• Type: Current-limiting medium-voltage fuse with ceramic body and silver-plated terminals
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 76mm length x 38mm diameter
• Standards: UL 248-12, IEC 60269 compliant
• Applications: Industrial power distribution, motor protection, transformer circuits
• Fuse Class: KLK series current-limiting
• Interrupt Rating: 200kA symmetrical
• Operating Temperature: -40°C to +125°C
• Terminal Type: Blade contacts

Product Identification

• UPC: 079458250533