Littelfuse JLLN1000 Class T Fuse 1000A 300VAC 125VDC Fast-Acting 20000A Interrupting Knife-Blade/Bolt-In

Designed for advanced electrical system protection, the JLLN Series fuses from Littelfuse offer an exceptional solution for safeguarding your equipment from the severe impacts of short-circuit conditions. These fast-acting Class T fuses provide rapid overload protection, essential for sensitive components like variable speed drives and rectifiers, helping prevent the costly failure of semiconductor fuses. With a remarkable interrupting rating of up to 200,000 amperes and a compact design that saves panel space, they enable efficient organization while ensuring optimal protection. Their current-limiting characteristics not only reduce the damage from short-circuit currents but also allow for the use of more economical equipment, demonstrating their value in modern electrical systems.

• Fast-acting Class T fuse for rapid overload protection
• Extremely current-limiting design reduces short-circuit damage
• High interrupting rating up to 200,000 amperes
• Compact size occupying less than one-third the space of Class R fuses
• Protection suitable for sensitive equipment like variable speed drives and rectifiers
• Compatible with 300 VAC and 125 VDC systems
• UL Listed and CSA Certified for assured safety and compliance
• RoHS compliant for environmentally responsible use
• Melamine body with bronze or copper caps for reliable insulation and conductivity

• Voltage: 300 VAC, 125 VDC
• Amperage: 1000 A
• Interrupting Rating: 20 kA @ 125 VDC, 200 kA AC
• Fuse Type: Fast-Acting
• Material: Melamine body, bronze or copper caps
• Size: Less than 1/3 size of comparable Class R fuses
• Compliance: UL Listed, CSA Certified, RoHS Compliant
• Country of Origin: Mexico

Certification

ICP Test Report

RoHS Declaration

Datasheets