The MARINCO part 5119-BSS is a reliable and durable Fuse A3T (Class T) with a 300 Amp rating. This fuse is designed to provide maximum protection and safety for your electrical system. The Class T fuse is ideal for use in applications that require high current capacity and offers excellent performance even in extreme conditions. With its sturdy construction and superior functionality, the MARINCO 5119-BSS fuse is a top choice for professionals and DIY enthusiasts alike.