Victron Galvanic Isolator VDI-16 A

The galvanic isolator prevents electrolytic corrosion

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Protect Your Boat with the Victron Galvanic Isolator VDI-16 A: An Essential Shield Against Electrolytic Corrosion

Experience Ultimate Protection for Your Vessel

The Victron Galvanic Isolator is your first line of defense against the damaging effects of electrolytic corrosion. Designed to safeguard your boat’s underwater metal components—such as the hull, propeller, and shaft—from corrosion, this device is an essential investment for any boat owner looking to extend the lifespan of their vessel.

How It Works: Advanced Technology for Comprehensive Protection

At the heart of the Victron Galvanic Isolator lies its innovative internal structure, featuring two diodes arranged in an anti-parallel configuration. This sophisticated design allows the isolator to block harmful low voltage DC currents that typically infiltrate your boat via the shore power earth connection. The key to its effectiveness is the diodes’ ability to permit current flow in both directions, but only when it exceeds a specific threshold voltage of approximately 1.4 Vdc. This ensures that only safe levels of current can pass through, effectively neutralizing the risk of electrolytic corrosion.

Effortless Installation for Immediate Protection

Installing the Victron Galvanic Isolator is straightforward and requires no complex procedures. Positioned directly behind your boat’s 230V shore power connection, it acts as a vigilant guardian, preventing the forward voltage from the isolator—which is intentionally set higher than any potential difference between underwater metals—from allowing any corrosive current to pass through. In the event of an abnormal voltage surge in the AC circuit, the isolator’s diodes will permit current flow, triggering the residual-current device to break the circuit and further protect your vessel.

Why Choose the Victron Galvanic Isolator?

  • Advanced Corrosion Protection: Secure your boat’s integrity by blocking corrosive currents.
  • Simple Installation: Easily integrate the isolator into your existing electrical setup for immediate protection.
  • Reliable Performance: Trust in a device that activates only when necessary, ensuring energy efficiency and prolonged device life.
  • Peace of Mind: Sail with confidence, knowing your boat is shielded from the hidden dangers of electrolytic corrosion.

Take the Next Step: Secure Your Boat’s Future Today

Don’t wait for corrosion to compromise your boat’s performance and safety. The Victron Galvanic Isolator offers an easy and effective solution to protect your investment. For more information on how you can safeguard your vessel with the Victron Galvanic Isolator, visit our product page or contact our expert team for personalized advice.

Visit Victron Energy's Official Galvanic Isolator Webpage for More Details

SKU VIC-GDI000016000
Barcode # 8719076022374
MPN # GDI000016000

About Victron Energy Markets


The automotive market comprises a broad range of applications requiring a reliable power supply. In vehicles such as fire engines, ambulances and police cars a human life may depend on an autonomous system. So it is vital that all systems function flawlessly. Victron Energy offers you such an answer. We are proud to offer you our modern translation for freedom and independence. Energy. Anytime. Anywhere.

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Off-Grid and Backup

The presence of a functional electricity grid is not always as obvious as it would seem to be. An insufficient infrastructure is often the cause for an unreliable grid. Things become even more difficult when there is no grid at all. And yet you are in need of a reliable electricity supply. A local and properly functioning system is the only answer at this point. Victron Energy offers you such an answer. We are proud to offer you our modern translation for freedom and independence. Energy, Anytime, Anywhere

Read Victron's Off-Grid and Backup Brochure


Whether you’re going on a short fishing trip or planning to sail across the ocean, you’ll need reliable power to enjoy your adventure to the fullest. But at Victron we believe reliability isn’t enough. We believe in Optimal Energy instead. In our view, a boat needs an intelligent power grid that adapts to any challenges you may encounter. With unparalleled reliability, without effort and at great value for money. That’s what we call Optimal Energy.

Read Victron's Marine Brochure

Energy Storage

As more solar and wind power comes on line, it becomes increasingly difficult and expensive, to ensure stability of the grid. Intermediate energy storage is therefore rapidly becoming an essential tool to keep power fluctuations on the grid within manageable limits. Moreover, as feed-in tariffs are decreasing, the business case for a home energy storage system that increases self-consumption becomes more solid every day. Intermediate energy storage increases self-consumption of harvested solar and/or wind power. The natural next step is 100% self-consumption and independence from the grid.

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Victron Energy Limited Warranty Policy

Victron Energy warrants its products to be free from defects in workmanship and materials for a period of 5 years from the date of purchase by the end user, with a maximum of 66 months from the Victron Energy invoice date. Exceptions on this are: lead acid batteries; 2 years from date of purchase by the end user, with a maximum of 30 months from the Victron Energy invoice date, Lithium-ion batteries; 3 years from date of purchase by the end user. In addition to this proof of correct battery usage is required when making a battery warranty claim.

During this period, Victron Energy will, at its option, repair or replace the defective product free of charge. The warranty does not include performing or reimbursing de‐installation, transportation and re‐installation. This warranty will be considered void if the unit has suffered any physical damage or alteration, either internally or externally, and does not cover damages arising from improper use like:
• Reverse of battery polarity.
• Inadequate connection.
• Mechanical shock or deformation.
• Contact with liquid or oxidation by condensation.
• Use in inappropriate environment (dust, corrosive vapor, humidity, high temperature, biological infestation...).
• Breakage or damage due to lightning.
• Connection terminals and screws destroyed or other damages, like overheat, due to insufficient tightening.
• For any electronical breakage except due to lightning (reverse polarity, over‐voltage due to external cause), the state ofthe internal control diode and of the inputs/output X and Y capacitors determine the warranty.

This warranty will not apply where the product has been misused, neglected, improperly installed, or repaired by anyone else than Victron Energy or one of its authorized Qualified Service Partners. In order to qualify for the warranty, the product must not be disassembled or modified.

Repair or replacement are our sole remedies and Victron Energy shall not be liable for damages, whether direct, incidental,special, or consequential, even caused by negligence or fault.

Victron Energy owns all parts removed from repaired products. Victron Energy uses new or reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products. If Victron Energy repairs or replaces a part of a product, its warranty term is not extended. In case of replacement the new component has a warranty of 6 months, without effect on the initial warranty period. All remedies and the measure for damages are limited to the above. Victron Energy shall in no event be liable for consequential, incidental, contingent orspecial damages, even if having been advised of the probability of such damages. Any and all other warranties expressed or implied arising by law, course of dealing, course of performance, usage of trade or otherwise, including but not limited to implied warranties of merchantability and fitness for a particular purpose, are limited in duration to a period of two (2) years from the date of purchase.

Life Support Policy
As a general policy, Victron Energy, does not recommend the use of any of its products in life support applications where failure or malfunction of the Victron Energy's product can be reasonably expected to cause failure of the life support device or to significantly affect its safety or effectiveness. Victron Energy does not recommend the use of any of its products in direct patient care. Victron Energy will not knowingly sell its products for use in such applications unless it receives in writing assurances satisfactory to Victron Energy that the risks of injury or damage have been minimized, the customer assumes all such risks, and the Liability of Victron Energy is adequately protected under the circumstances.

As a product requires service, it must be brought back to the place of purchase. In case no contact can be taken with the merchant, or if he is either unable or not allowed to provide service, direct contact should be taken with Victron Energy.

Warranty on Repairs
The warranty period on products or on printed circuits boards repaired by Victron Energy as well as on printed circuit boards for replacement is 6 months from delivery by Victron Energy.

It is the responsibility of the sender to sufficiently package these products. The transport must be organized in a way to avoid any damage, especially when a single unit or heavy unit is sent.

If a part of the terms and conditions set out above is held invalid, void or unenforceable due to any particular national or international legislation, it shall not affect other parts of the terms and conditions remaining.

For Australia only
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

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