KTK fast-acting 13/32" x 1-1/2"supplemental fuse Fast-acting supplemental fuse. Black color code (600 Vac max). For superior protection, Eaton recommends upgrading to Bussmann series Low-Peak Class CC fuses. Agency information â?¢ UL Listed, Std. 248-14, Guide JDYX, File E19180, CSA Certified, C22.2 No. 248.14, Class 1422-01, File 53787, HRC-MISC, RoHS compliant, CE Features â?¢ Black color code for 600 Vac rating â?¢ Fast-acting for resistive loads â?¢ Melamine tube construction with nickel-plated bronze endcaps Typical applications â?¢ Control circuits â?¢ Lighting circuit protection â?¢ Meter circuits KTK-1/10 KTK-1/8 KTK-2/10 KTK-1/4 KTK-3/10 KTK-4/10 KTK-1/2 KTK-6/10 KTK-3/4 KTK-1 KTK-1-1/4 KTK-1-1/2 KTK-2 KTK-2-1/2 KTK-3 KTK-3-1/2 KTK-4 KTK-5 KTK-6 KTK-7 KTK-7-1/2 KTK-8 KTK-9 KTK-10 KTK-12 KTK-15 KTK-20 KTK-25 KTK-30