Littelfuse JLLS030 Class T Fuse 30A Fast-Acting 20000A 300VDC 600VAC Industrial Cartridge

Littelfuse's JLLS Series fast-acting circuit breakers are engineered to provide exceptional overload protection for sensitive equipment, including variable speed drives and rectifiers. With an impressive interrupting rating of 200,000 amperes, these circuit breakers efficiently manage and interrupt all overcurrents, minimizing the risk of damage caused by heating and magnetic effects associated with short circuits. Their current-limiting design distinguishes them from mechanical protective devices, allowing them to respond quicker and more effectively to potentially harmful surges. These molded case circuit breakers offer scalable protection for individual electric services and meters while requiring considerably less panel area than traditional Class R fuse blocks, promoting a more compact installation. Ideal for surge-sensitive applications, the JLLS Series is suitable for both input and output protection, ensuring that costly semiconductor fuses remain intact during transient events. By incorporating this advanced protection technology, users can often utilize less expensive equipment without sacrificing reliability or efficiency.

• Fast-acting overload and short circuit protection
• Extremely current-limiting design for quick surge response
• High interrupting rating of 20,000 A for reliable fault clearing
• Effective protection for both input and output circuits
• Preserves semiconductor fuses during transient events
• Compact molded case design saves panel space
• Suitable for surge-sensitive equipment like variable speed drives and rectifiers
• Melamine body with copper or bronze caps for durability and electrical performance
• RoHS compliant for environmental safety

• Opening: Fast-Acting (F)
• Interrupting Rating: 20000 A @ 300 VDC
• Ampere Rating: 30 A
• Voltage: 600 V AC, 300 V DC
• Material: Melamine body, copper or bronze caps
• Environmental Compliance: RoHS Compliant
• Country of Origin: Mexico

Datasheets

Certification

ICP Test Report