Littelfuse JLLN150 Class T Fuse 150A Fast-Acting 20000A@125VDC Knife-Blade Bolt-In

The JLLN Series from Littelfuse provides an innovative solution to your electrical protection needs, featuring a fast-acting design that excels in safeguarding sensitive components like variable speed drives and rectifiers. This Class T fuse block is remarkably compact, requiring less than 50% of the panel area needed for traditional Class R designs, making it ideal for tight spaces and minimizing equipment footprint. With an impressive interrupting rating of 20,000A at 125VDC, it efficiently limits short-circuit currents, significantly reducing the risk of damage to connected equipment. Notable for its current limiting capabilities, the JLLN Series ensures reliable performance in preventing costly disruptions and enhances the compatibility with molded case circuit breaker load centers, contributing to a better overall safety and operational efficiency in distribution systems.

• Fast-acting overload protection for sensitive equipment
• High interrupting rating of 20,000A at 125V DC
• Extremely current-limiting design reduces short circuit damage
• Compact size occupying less than 50% panel area of Class R fuses
• Compatible with molded case circuit breaker load centers
• UL Listed, CSA Certified, and RoHS Compliant
• Melamine body with copper caps for durable electrical performance
• Ideal for variable speed drives, rectifiers, and surge-sensitive components

• Voltage: 300 V AC, 125 V DC
• Ampere Rating: 150 A
• Interrupting Rating: 20,000 A @ 125 V DC, 200 kA rms AC
• Opening: Fast-Acting
• Material: Melamine body, bronze caps (1–30 A), copper caps (35–1200 A)
• Compliance: UL Listed, CSA Certified, RoHS Compliant
• Country of Origin: Mexico

RoHS Declaration

Certification

ICP Test Report

Datasheets