Mastervolt GI 3.5 Isolation Transformer

Safeguard your vessel from the silent and destructive forces of galvanic corrosion while ensuring the highest level of electrical safety on board with the MASTERVOLT GI 3.5 Isolation Transformer. As a crucial component in the Electronics and Converters category, this device is the definitive solution for any vessel frequently connecting to shore power. It provides a complete galvanic separation between the shore power connection and your boat´s electrical system, offering unparalleled protection and peace of mind.

The primary purpose of the GI 3.5 is to eliminate the electrical continuity that can exist between your vessel and the shore-side earth. This connection, while necessary for safety, can create a path for small DC currents to flow through the water between your boat´s underwater metals (like the hull, propeller, and shafts) and those of nearby boats or marina infrastructure. This process, known as galvanic corrosion, can rapidly degrade and destroy these expensive components, leading to costly repairs and significant downtime. The Mastervolt GI 3.5 Isolation Transformer completely blocks these destructive currents, effectively preserving the integrity and extending the lifespan of your vessel’s vital underwater parts.

Unlike traditional, cumbersome low-frequency transformers that are notoriously heavy, bulky, and produce an audible hum, the Mastervolt GI 3.5 leverages state-of-the-art high-frequency switch-mode technology. This advanced design results in a unit that is exceptionally lightweight, remarkably compact, and operates in complete silence. Its reduced size and weight make installation significantly easier, even in the tight and often limited spaces available on modern yachts and boats.

Reliable power connection is guaranteed thanks to Mastervolt´s acclaimed Soft Start technology. This intelligent feature manages the initial inrush of current when the transformer is first connected to the grid, preventing the shore power circuit breaker from tripping. This ensures a smooth, stable, and hassle-free connection every time you plug in at the dock. With a robust capacity of 3.5 kVA (16 A), it is perfectly suited for standard shore power connections, and for higher power demands, two units can be connected in parallel to double the capacity to 7 kVA (32 A).

The GI 3.5 is engineered for global use and maximum efficiency. It automatically handles input voltages from 90 to 255 V and frequencies from 45 to 65 Hz, making it compatible with shore power supplies around the world without any manual switching. Its exceptional efficiency rating of over 93% means minimal energy is lost as heat, ensuring optimal power transfer to your onboard systems and reduced heat generation within its enclosure.

For vessels equipped with a comprehensive Mastervolt network, the GI 3.5 is MasterBus compatible. This allows for seamless integration into your overall power management system, enabling you to monitor its status, current, and load directly from a central MasterView display. This level of system integration provides ultimate control and a complete overview of your vessel’s electrical health.

Invest in the ultimate protection for your vessel’s electrical system and underwater metals. The Mastervolt GI 3.5 Isolation Transformer is not just a converter; it is the smart, modern, and reliable foundation for safe, efficient, and trouble-free shore power connectivity, no matter where your journey takes you