Descriptions of Cooper Bussmann NOS-50 provided by its distributors.
COOPER BUSSMANN NOS-50 Low Voltage Fuse, 50A, Class K5, NOS, 600VAC. More details: Low Voltage Fuse, 50 Fuse Amps, Nonindicating, NOS Series, 600VAC Voltage Rating, Fast Acting, Single Element, Class K5, Body Material Melamine, Nonrejection, Body Style Cylindrical, Interrupt Rating 50kA at 600VAC, Length 5-1/2 In., Diameter 1-1/16 In., Functionally Equal To Ferraz/Gould OTS, Littelfuse NLS, Standards CE, UL Listed, Guide JDDZ, File E4273, STD 248-9, CSA Certified Class 1421-01, File 53787