BLUE SEA SYSTEMSAGC® FUSES - 5.0A - 5-PACKAGC is a fast-acting glass fuse ideal for small electronic devices. For use w/Blue Sea Systems Screw Terminal (ST) glass fuse blocks & AGC In-Line fuse holders. Visible indication of blown fuse condition. Maximum Operating Voltage: 32V DC. Size: 0.25"x1.25".