Littelfuse JLLS015 Class T Fuse 15A 600VAC 300VDC Fast-Acting Industrial Cartridge

The JLLS Series by Littelfuse offers an exceptional solution for those in need of advanced electrical protection. Designed with an extremely current limiting feature, these fuses are capable of stopping damaging short-circuit currents faster than traditional mechanical protective devices. With a fast-acting response, they are particularly suited for safeguarding sensitive equipment such as variable speed drives and rectifiers, ensuring that costly semiconductor fuses are less likely to open unnecessarily. These Class T fuses boast impressive series ratings up to 200,000 amperes, providing reliable interruption for a wide range of overcurrents. Their compact design allows for efficient use of space; for instance, typical three-pole Class T fuse blocks require significantly less panel area compared to Class R counterparts, contributing to a more streamlined setup. Additionally, when used as input or output fuses for surge-sensitive components, the JLLS fuses enhance protection without sacrificing valuable real estate in panelboards, making them an indispensable choice for modern electrical systems.

• Stops damaging short-circuit current faster than mechanical devices
• Fast-acting overload protection for surge-sensitive equipment
• Reliable interruption of overcurrents up to 200,000 amperes
• Compact design reduces panel space requirements
• Protects costly semiconductor devices by reducing unnecessary fuse opening
• Class T fuse type optimized for industrial electrical protection
• Melamine body with bronze or copper caps for durability and safety
• UL Listed, CSA Certified, and RoHS compliant for safety and environmental standards
• Suitable for use with variable speed drives and rectifiers

• Voltage: 600 V AC, 300 V DC
• Amperage: 15 A
• Interrupting Rating: 20,000 A @ 300 V DC, 200,000 A (AC rating not specified in initial)
• Fuse Type: Fast-Acting (F)
• Material: Melamine body, bronze or copper caps
• Compliance: UL Listed, CSA Certified, RoHS
• Country of Origin: Mexico

Datasheets

Certification

ICP Test Report