A marine isolation transformer is an essential component designed to enhance the electrical safety and performance of boats and yachts. This device isolates the boat's electrical system from the shore power, preventing galvanic corrosion and reducing the risk of electrical shock hazards.
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1-2 weeks delivery time Price incl. 19% VAT Victron Energy Isolation Transformers provide galvanic isolation between the onboard power grid and the coastal power supply, enhancing safety and ensuring correct operation of protective shutdown devices. They eliminate corrosion issues caused by galvanic currents and support automatic switching between input voltages (115V and 230V), offering stable output voltage for various applications.
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€ 447,74
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1-2 weeks delivery time Price incl. 19% VAT The Victron Energy 120/240V 32/100A Separation Auto Transformers are advanced devices designed to adjust voltage levels efficiently, using a single winding and intermediate terminals. These transformers help reduce ohmic losses and offer enhanced performance, though they do not provide galvanic isolation like traditional transformers. They are ideal for adjusting voltage between 110/120V and 220/240V systems.
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€ 507,94
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1-2 weeks delivery time Price incl. 19% VAT The Victron Energy Galvanic Isolator VDI-16/32/64 is a critical device designed to protect your boat from electrolytic corrosion. By preventing low-voltage currents from entering through the grounding wire, it helps avoid damage to underwater metals such as the hull, propeller, and shaft. This isolator ensures safe, corrosion-free operation in marine environments.
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€ 123,55
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1-2 weeks delivery time Price incl. 19% VAT The Mastervolt Mass Systemswitch Automatic Power Supply Selection System is an advanced electronic system designed to seamlessly control onboard electrics. With three AC inputs, up to four outputs, and a user-friendly display panel, it ensures safe and efficient power transmission from 4.5 kW to 16 kW. Supporting currents between 25 A and 63 A, it offers a reliable solution for managing multiple 230 V power sources on any vessel.
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€ 1.850,41
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1-2 weeks delivery time Price incl. 19% VAT The Mastervolt Mass GI Isolation Transformer is a compact and lightweight solution for safely connecting your vessel to an onshore power supply. With advanced high-frequency electronics, it supports both 120V and 230V AC systems. Features like vibration-free operation, integrated Soft Start, and optional remote control via MasterBus panels make it ideal for marine applications. Available in 3.5 kW and 7.0 kW models.
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€ 1.543,15
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How does an isolation transformer protect against galvanic corrosion in a marine environment?
An isolation transformer protects against galvanic corrosion in a marine environment by electrically isolating the onboard AC system from the shore power. This separation prevents stray current from flowing between the vessel and the marina's dock, which can cause electrolytic corrosion of metal hulls, underwater fittings, and thru-hulls. By using a toroidal transformer, the system ensures safe and uninterrupted AC power, providing peace of mind for boat owners.
How does shore power connect to a boat using a marine isolation transformer?
Shore power connects to a boat using a marine isolation transformer by plugging the shore AC power into the boat's power inlet, which is then routed through the isolation transformer. This transformer, such as those from Victron Energy, safely transfers electricity while preventing electrolytic corrosion and ensuring correct polarity, thereby creating a safe and stable AC system on board. The isolation transformer’s soft start circuitry and ability to handle shore ground interruptions ensure that the circuit breaker will not trip, maintaining continuous power for onboard systems like TVs and refrigerators.
How does a galvanic isolator work in conjunction with a 120V marine isolation transformer?
A galvanic isolator works in conjunction with a 120V marine isolation transformer by interrupting low voltage galvanic currents that can cause corrosion on your boat’s metal parts, such as outdrives and aluminum hulls. During the installation, the galvanic isolator is placed between the shore power connection and the boat’s AC electrical system, providing a safe electric system by ensuring that harmful currents do not bond with the boat’s metal components. This setup prevents the shore circuit breaker from tripping when plugged in at the marina, maintaining a stable and protected power supply for your vessel.