The product is a new S & C Electric SM-5 fuse refill with the model number 132400R4. It is designed for use in electrical equipment with an amp rating of 250E and a voltage rating of 14.4 KV. The fuse is of high quality and is unused, still in its original packaging made in the USA by S&C Electric. Perfect for industrial and commercial electrical applications that require reliable and durable fuses. Box has some shelf wear. See pictures.
eBay