The EATON ELECTRONICS / BUSSMANN GMD-4-R is a reliable miniature slow blow fuse that provides efficient protection for various electronic devices. With an act rating of 4A and a voltage rating of 250V, this fuse guarantees optimal performance and safety. The fuse conveniently fits into a holder cartridge and measures 5 x 20mm in size, making it compatible with a wide range of applications. Its glass construction ensures durability and longevity. Moreover, the GMD-4-R is CSA, PSE, and UL certified, meeting the highest industry standards.