JLS500 - JLS Series Fast-Acting Fuse The Littelfuse JLS500 fuse from the JLS Series is a fast-acting, current-limiting fuse designed for industrial and power conversion applications. It provides space-saving overload and short-circuit protection, specifically suited for surge-sensitive devices and components. This fuse is ideal for electrical distributors and switchgear suppliers needing reliable protection in compact applications such as power conversion devices, variable speed drives, rectifiers, resistive loads, and solid-state devices. Specifications Manufacturer: Littelfuse Manufacturer Part #: JLS500 Amperage Rating: 500 A Voltage Rating: 600 V AC Interrupting Rating: 200,000 A RMS symmetrical Applicable Standards: UL Listed File E81895, CSA Certified File LR29862, Standard 248-8 Class J, Federal Specification WF-1814 RoHS Compliance: Meets RoHS 2 Directive 2011/65/EU and Directive (EU) 2015/863 Dimensions: Compact size, approximately 4 5/8" long and 1 1/8" diameter (see detailed dimensions on page 3 of the datasheet) Product Weight: 2.96 lbs Features Fast-acting protection to safeguard equipment requiring rapid overload response Current-limiting design reduces damage from heating and magnetic effects during short circuits High interrupting capacity up to 200,000 A for reliable clearing of all overcurrents Compact size beneficial where installation space is limited POWR-GARD® technology for maximum overcurrent protection Suitable for use in power conversion, variable speed drives, rectifiers, resistive loads, and solid-state devices Tested and certified to rigorous industry standards ensuring dependable performance The JLS500 fuse is engineered to provide fast and reliable circuit protection for electrical distributors and lighting solutions providers who require high-quality wire and cable protection components within their switchgear and control equipment. For detailed technical dimensions and time-current characteristic curves, please refer to the Littelfuse JLS Series datasheet, pages 2-4.Downloads & Links ICPTest_JLS pdf JLS Series Datasheet UL JDDZ E81895 CSA 1422-02 029862
