Blue Sea Fuse MDL 15AMP Time Delay 2 Pack. 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. MDL fuses to 7.5A are rated for use in AC at 125V AC and to a maximum 250V AC. Visible indication of blown condition. MDL Two per retail package. Amperage: 15A. Maximum Voltage: 32V DC.