Littelfuse JLLS045 Class T Fuse 45A Fast-Acting 600VAC 300VDC Industrial Cartridge

Engineered for exceptional performance in demanding applications, the JLLS045 from Littelfuse is a fast-acting Class T fuse that enhances the protection of surge-sensitive components such as variable speed drives and rectifiers. With a reliable interruption capacity of up to 200,000 A.I.R., this innovative design safeguards against damaging overcurrents, ensuring that expensive semiconductor fuses remain intact. The current-limiting capabilities of the JLLS045 significantly reduce potential damage caused by short circuit currents, making it an ideal choice for use in compact configurations, such as main switches for meter stacks and molded case circuit breaker load centers. Its efficient design not only optimizes panel space requirements but also presents a cost-effective solution for protecting individual electric services and meters, making it a crucial addition to any industrial electrical setup.

• UL Listed and CSA Certified for safety and regulatory compliance
• Fast-acting overload protection for surge-sensitive components
• Current-limiting design reduces short circuit damage
• High interrupting rating of 20,000 A at 300 V DC
• Compact size optimizes panel space in meter stacks and breakers
• Melamine body with copper or bronze caps for insulation and conductivity
• Ideal for protecting individual electric services and meters
• Cost-effective fuse option for industrial electrical protection

• Voltage: 600 V AC, 300 V DC
• Ampere Rating: 45 A
• Interrupting Rating: 20,000 A @ 300 V DC
• Fuse Type: Fast-Acting, Class T
• Material: Melamine body, copper or bronze caps
• Size (Length): 3.984 in (101.2 mm)
• Width: 2.953 in (75.0 mm)
• Height: 1.250 in (31.8 mm)
• Compliance: UL Listed, CSA Certified, RoHS Compliant
• Country of Origin: Mexico

Certification

Datasheets