Littelfuse JLS Series Littelfuse JLS fuses provide space saving, fast-acting overload and short-circuit protection for vital industrial and power conversion applications. Superior performance in a space saving package. Other Names: JLS050, JLS 50 Amp, JLS-50, JLS50, JLS 50A, JLS-050, JLS50A, JLS050.T Product specifications Ampere 50 A Voltage rating 600 VAC Interrupt rating 200 kA at 600 VAC Speed Fast Blow Class Class J Fuse Shape Cartridge Fuses Approvals CE, CSA, QPL, UL Substitute parts Bussmann JKS, Mersen A4J Datasheet Littelfuse JLS Datasheet Dimensions 1.063" Dia x 2.374" L (27x60.3mm) Item weight 2.72 oz Other names JLS050, JLS 50 Amp, JLS-50, JLS50, JLS 50A, JLS-050, JLS50A, JLS050.T WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.