The Victron VDI-64A galvanic isolator is a rugged, waterproof solution that protects boats from electrolytic corrosion by blocking stray low-voltage DC currents from shore power. With a 64 A maximum rating and a potted enclosure, it’s built for reliable performance in marine environments.
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Maximum current rating: 64 A maximum current capacity for robust protection
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Waterproof / potted design: Waterproof and potted construction for reliable operation in marine environments
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Galvanic isolation mechanism: Internal two diodes in anti-parallel configuration, allowing current in either direction only above ~1.4 Vdc threshold
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Installation location: Installed directly behind your boat's 120V–230V connection to intercept stray DC currents at the source
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Electrical connections: 6 mm (1/4") terminal posts for sturdy connections
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Approval status: Not ABYC A-28 approved
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Manufacturer / Part number: Victron Energy | Part No: GDI000064000
This galvanic isolator helps prevent electrolytic corrosion by blocking DC currents before they can affect underwater metals. It uses a pair of anti-parallel diodes to provide bidirectional protection and only conducts when the voltage exceeds the 1.4 Vdc threshold, while higher AC error voltages trigger protective action to keep your boat’s electrical system safer. Note: Not ABYC A-28 approved, so please verify compatibility with your regulatory requirements and boat electrical standards.
