AGC Fuse - 6 Amp 5211. For use with Blue Sea Systems' ST Glass Fuse Blocks and AGC or MDL fuse holders. AGC and MDL fuses are typically used in DC systems up to 32V DC. AGC fuses to 10A are rated for use in AC at 125V AC and to a maximum 250V AC Visible indication of blown condition. AGC Five per retail package.