Blue Sea Systems – AC Main Circuit Breaker PanelsThe Blue Sea Systems AC Main Circuit Breaker Panels provide safe, reliable control and protection for your AC electrical system. Built from heavy duty 5052 aluminum with a durable polyurethane slate gray finish, these panels combine switching and circuit protection into a single, compact device. Each unit features a Trip Free design, meaning the breaker cannot be held ON during a fault conditionensuring maximum safety. A red reverse polarity