The Eaton Bussmann BP/SSU SSU Series 2-1/4 inch Fuse Holder Box Cover Unit with Switch is a durable and reliable electrical accessory designed for use with fuses. Made of copper and measuring 4 inches in height, length, and width, this fuse holder is compact and efficient. It is manufactured in Mexico by the trusted brand Bussmann, ensuring quality and performance in electrical equipment and supplies applications. The inclusion of a switch adds convenient control options to the design, making it an essential component for any electrical setup.