Blue Sea 3118 - SMS Panel Enclosure w/ELCI (50A) and 2 Blanks - 120V AC

The Blue Sea 3118 SMS Panel Enclosure with ELCI (50A) and 2 Blanks is purpose-built for serious boaters who demand reliable electrical protection in a compact, marine-grade package. This enclosure is designed for safe, code-compliant AC distribution, crucial for ensuring the safety of crew and guests while managing boat systems.

At its core, the Blue Sea 3118 combines a solid-state main switch (SMS) with an Electronic Leakage Circuit Interrupter (ELCI) rated at 50A, offering faster fault detection than traditional RCDs. The SMS technology eliminates mechanical relays, reducing maintenance and preventing nuisance tripping from harmless transients common on docks and during motor startups. The enclosure includes two blank positions for future expansion, allowing you to scale your AC distribution as your boat's electrical demands grow.

Anglers and cruising boaters benefit most from this unit, whether running galley equipment, battery chargers, air conditioning, or auxiliary systems from a shore power pedestal. Installation requires standard 120V AC input and is compatible with Blue Sea's modular breaker ecosystem, making retrofit or new-build integration straightforward and efficient.