Protect your boat from electrolytic corrosion with the Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted). This compact marine device blocks low-voltage DC currents that can sneak in via the shore power earth wire, safeguarding underwater metals like the hull, propeller, and shaft.
Key to its effectiveness are two diodes connected in anti-parallel. They allow current in both directions only above a threshold of about 1.4 Vdc, preventing conduction at normal metal potential differences and stopping electrolytic currents from damaging your vessel.
How it works
-
32A max rating for reliable protection on a wide range of boats
-
Waterproof (potted) construction designed for harsh marine environments
-
Internal anti-parallel diodes conduct only above ~1.4 Vdc to prevent unwanted current flow
-
Installed directly behind your boat's 120V–230V connection for immediate protection
-
AC error voltage handling causes diode conduction only if a higher error voltage occurs, at which point the residual-current device will trip the circuit
-
6 mm (1.4") terminal posts for robust wiring connections
-
Not ABYC A-28 approved (documentation note)
-
Manufacturer: Victron Energy • Part No: GDI000032000
This galvanic isolator helps maintain the longevity of your boat’s underwater components by preventing corrosive currents from shore power, while safely allowing normal operation. Please contact your dealer for any returns, repairs, or support issues related to this product.
