Littelfuse JLS010 Class J Fuse Fast-Acting 10A 600V 200000A Interrupting Rating Industrial Cartridge

The JLS Series from Littelfuse is engineered to provide fast-acting protection for sensitive equipment, making it an ideal choice for applications involving resistive loads such as resistance electric heat. With a robust 200,000 A.I.R. rating, these fuses minimize the need for complex short-circuit calculations while ensuring reliable interruption of all overcurrents up to 200,000 amperes. Their current-limiting design reduces the damaging effects of short-circuit currents, allowing manufacturers to standardize on 600-volt JLS fuses and Class J fuse blocks for dual voltage devices, streamlining inventory and simplifying production processes. Notably compact, JLS fuses deliver characteristics similar to larger KLNR/KLSR fast-acting Class RK1 options, making them an efficient choice for equipment containing variable speed drives, rectifiers, and solid-state devices needing immediate overload protection.

• Fast-acting protection for sensitive equipment including variable speed drives and rectifiers
• Current-limiting design reduces damage from short-circuit currents
• 200,000 A interrupting rating ensures reliable interruption of high overcurrents
• Compact size with performance similar to larger Class RK1 fuses
• Standardized 600 V rating supports dual voltage device applications
• Suitable for resistive loads such as resistance electric heat
• Meets Standard 248-8 Class J and Federal Specification WF-1814
• UL Listed, CSA Certified, CE, QPL, and RoHS compliant for safety assurance
• Extremely current-limiting design enables use of less costly equipment
• Reliable overload protection for equipment containing solid-state devices

• Ampere Rating: 10 A
• Voltage: 600 V AC
• Interrupting Rating: 200,000 A @ 600 V AC
• Fuse Type: Fast-Acting (F)
• Dimensions Length: 4 5/8 in
• Dimensions Diameter: 1 1/8 in
• Current-Limiting: Yes
• Applicable Standards: Standard 248-8 Class J; Federal Specification WF-1814
• Certifications: UL Listed, CSA Certified, CE, QPL, RoHS

Certification

Datasheets

Environmental Info