BLUE SEA Circuit Breaker ATO/ATC 10A 2pk The BLUE SEA Circuit Breaker ATO/ATC 10A 2pk is a compact circuit protection device designed for ATO/ATC applications, weighing 0.025 lbs and measuring 1 x 1 x 1 inches. It provides reliable overcurrent protection for marine and automotive electrical systems. Compatibility & Applications Fits standard ATO/ATC fuse holders in marine and automotive applications. Pairs with BLUE SEA fuse panels for enhanced circuit protection. Wires to 12V and 24V DC electrical systems. Replaces existing 10A ATO/ATC fuses without modification. Mounts in fuse boxes or inline for easy circuit management. Integrates with NMEA 2000 systems for comprehensive electrical monitoring. The unit offers effective overcurrent protection, ensuring safety in electrical systems. Its compact design allows for easy installation in confined areas, making it a functional choice for installations in small fuse panels or tight electrical compartments on vessels.