Semiconductor Fuse, 300 A, 250V AC, 250V DC, FWX-A Series, Nonindicating, Fast Acting, Body Style Bolt-On, Nonrejection, Interrupt Rating 200kA at 250V AC, 20kA at 250V DC, Fuse Size 3-27/32 in L x 1-1/2 in dia, Length 3 27/32 in, Diameter 1 1/2 in, Equivalent Brand and Series Bussmann FWX, Littelfuse L25S, Mersen A30QS, Equivalent Series A30QS, FWX, L25S, Compatible Fuse Block Series 1BS, Body Material Ceramic, Single Element, Standards CE, CSA Certified, UL Recognized