Blue Sea Systems 3120 SMS Enclosed ELCI Main Circuit Breaker Panel 50A 240V AC with Two Blank Circuit Positions

The Blue Sea Systems 3120 SMS Surface Mount System (SMS) Panel Enclosure is a purpose-built marine-grade electrical enclosure designed to house Equipment Leakage Circuit Interrupter (ELCI) main circuit breakers and other large-frame devices. Rated at 50A / 240V AC, this enclosed panel is an ideal solution for shore power protection on vessels using isolation transformers or 240V AC systems.

When installed with an ELCI main circuit breaker and positioned within 10 feet of the AC shore power inlet, the 3120 panel meets ABYC E-11 standards for marine electrical systems, providing code-compliant protection against electrical shock hazards for both onboard passengers and swimmers in surrounding waters.

Key Features:

• Includes one pre-wired 50A / 240V AC ELCI main circuit breaker position and two blank circuit positions for custom configuration
• Blank apertures accommodate Carling Technologies A and C Series Flat Rocker and ELCI Main circuit breakers for flexible, customizable loading
• Glass-filled polycarbonate base delivers rugged, corrosion-resistant durability in harsh marine environments
• Clear cover allows at-a-glance monitoring of circuit breaker status without opening the enclosure
• Overlapping cover design adds structural strength and enhanced gasket protection against moisture and saltwater ingress
• Oversized, seamless PUR gasket formed in place for superior waterproof sealing
• Easily removable stainless steel hinge pin enables unobstructed panel installation
• Stainless steel latch secures the cover firmly without penetrating the enclosure body
• Green LEDs provide backlighting and ON indication for easy status checks in low-light conditions
• Includes waterproof glands to maintain the integrity of wire entries
• Stainless steel mounting hardware included

The Blue Sea Systems 3120 SMS Panel Enclosure delivers a professional-grade, weatherproof solution for managing AC shore power on board, combining safety compliance, rugged construction, and user-friendly design in a single enclosed unit.