Victron Energy Galvanic Isolator For Marine VDI-64A - GDI000064000

The Victron Energy Galvanic Isolator VDI-64A (GDI000064000) protects your boat from electrolytic corrosion by blocking low voltage DC currents that enter via the shore power earth wire. By preventing these currents, it safeguards underwater metals such as the hull, propeller, and shaft from galvanic attack. The unit uses two diodes connected in anti-parallel, which allow current only above a threshold of about 1.4 Vdc. Installed directly behind your boat's 230V connection, the isolator keeps normal operation while preventing corrosion. If a higher fault voltage appears in the AC circuit, the diodes conduct and the residual-current device will break the circuit. Durable, compact, and straightforward to install, it is an essential accessory for maintaining the longevity of marine electrical systems.