Littelfuse JLLS150 Class T Fuse Fast-Acting 150A 600VAC 300VDC Knife-Blade Bolt-In

Engineered by Littelfuse, the JLLS Series fuses provide exceptional current limiting capabilities to safeguard your equipment from the damaging effects of short circuit currents. With a robust interrupting rating of 200,000 A.I.R., these fast-acting fuses excel in protecting sensitive electric services and meters while occupying less than half the panel area required by traditional Class R fuse blocks, making your setup more compact and efficient. The JLLS150 model is particularly beneficial for applications involving surge-sensitive components, such as variable speed drives and rectifiers, effectively halting damaging currents faster than mechanical protective devices. Furthermore, these fuses enhance the performance of molded case circuit breaker load centers when used in conjunction, ensuring reliable interruption and increased safety in high-load conditions. Integrating JLLS fuses into your electrical system not only enhances protection but often allows for the use of less expensive equipment without sacrificing reliability.

• UL Listed and CSA Certified for safety assurance
• Fast-acting operation for rapid circuit interruption
• Current limiting design greatly reduces equipment damage from short circuit currents
• High 200,000 A interrupting rating for reliable fault tolerance
• Compact size less than one-third of Class R fuse blocks saves panel space
• Protects sensitive components like variable speed drives and rectifiers
• Improves performance of molded case circuit breaker load centers when series rated
• Permits use of less expensive equipment without compromising protection
• Durable melamine body with copper/bronze caps for electrical insulation and conductivity
• Provides fast-acting overload protection for surge-sensitive equipment

• Voltage Rating AC: 600 V
• Voltage Rating DC: 300 V
• Amperage Rating: 150 A
• Interrupting Rating AC: 200 kA rms symmetrical
• Interrupting Rating DC: 20000 A @ 300 V DC
• Opening: Fast-Acting (F)
• Material: Melamine body, Copper/Bronze caps
• Size: Less than 1/3 size of Class R fuses
• Compliance: UL Listed, CSA Certified, RoHS Compliant
• Country of Origin: Mexico

Certification

Datasheets

ICP Test Report