Master your knowledge in electrical engineering by using a fuse from Mersen/Ferraz Shawmut. With very fast acting fuse speed, 50A fuse amps, an interrupt rating of 200kA at 300VAC, 50kA at 160VDC, and a3t series, this fuse is a must-have. When it comes to product classification, this item can be grouped as T. The voltage rating is 300vac/160vdc. As far as size goes, it is 9/16" in diameter. The body is made of glass/melamine material. It has a single element. Functionally equal to Edison TJN, Bussman JJN, Littelfuse JLLN, you'll thoroughly enjoy its use. It is a nonindicating fuse. Standards include: UL/CSA. This fuse also meets the following environmental guidelines: RoHS Compliant.