The SPJ-5B400 Buss Semitron 400A 1000V fuse is a high-quality electrical component designed for industrial use. With a maximum amperage of 400A, this fuse is capable of handling heavy electrical currents safely. The lot of 2 fuses ensures that you have a backup in case of any issues, providing reliability for your electrical equipment and supplies. The Buss Semitron brand is known for producing durable and efficient fuses, making this product a dependable choice for your electrical needs.