The BK/GMD-400-R by EATON ELECTRONICS / BUSSMANN is a miniature slow blow acting fuse, designed to offer reliable protection for electrical circuits. With a current rating of 0.4A and a voltage rating of 250V, this fuse is perfect for various applications. Its cartridge-style design makes it easy to install and replace, while the 5 x 20mm glass construction ensures durability and enhanced safety. Whether you need fuse protection for your car, home, or industrial equipment, the BK/GMD-400-R fuse is an excellent choice.