{"title":"Marine Isolation Transformers","description":"","products":[{"product_id":"qbp644546","title":"Mastervolt - Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank","description":"\u003ch4\u003eOptimize Your Power: Mastervolt Battery Mate 1602 IG Isolator\u003c\/h4\u003e \u003cp\u003eIntroducing the Mastervolt Battery Mate 1602 IG Isolator, your premier solution for simultaneous, multi-battery charging. Compatible with any alternator or battery charger setup, the Battery Mate revolutionizes the way your batteries are charged, ensuring efficiency and longevity. Unlike traditional diode splitters, this electronic marvel with mosfet technology adapts to voltage variations, guaranteeing optimal charging across multiple battery banks without the need for alternator adjustments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOutperforms conventional battery isolators with negligible voltage loss, ensuring faster and more complete battery charging.\u003c\/li\u003e \u003cli\u003eElectronic mosfet technology compensates for voltage variations, maintaining correct charging voltage for multiple battery banks.\u003c\/li\u003e \u003cli\u003eCompatible with all types of alternators and battery chargers, offering flexibility in both new and existing systems.\u003c\/li\u003e \u003cli\u003eEasy installation on a DIN rail, providing a straightforward solution for any setup.\u003c\/li\u003e \u003cli\u003eIncludes an IG contact for applications requiring alternator external excitation or voltage sensing.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eTechnical Superiority for Advanced Charging\u003c\/h4\u003e \u003cp\u003eDesigned to meet the rigorous demands of marine and mobile applications, the Battery Mate 1602 IG Isolator stands out for its ability to manage complex charging scenarios with ease. Whether you're upgrading your system or designing a new one, its advanced technology ensures your batteries are efficiently charged and ready to go.\u003c\/p\u003e \u003ch4\u003eProduct Variations for Customized Solutions\u003c\/h4\u003e \u003cp\u003eChoose from a range of variants to match your specific charging needs:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e120 Amp \/ 2 Bank (83116025):\u003c\/strong\u003e Perfect for systems with two battery banks, providing ample charging power.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e120 Amp \/ 3 Bank (83116035):\u003c\/strong\u003e Ideal for setups requiring three battery banks, enhancing system flexibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e220 Amp \/ 3 Bank (83125035):\u003c\/strong\u003e For high-demand environments, offering increased charging capacity across three banks.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eUnmatched Efficiency in Battery Charging\u003c\/h4\u003e \u003cp\u003eThe Mastervolt Battery Mate 1602 IG Isolator is not just a component; it's a game-changer in the world of marine and mobile power management. By seamlessly integrating with any system, it ensures that your batteries are always optimally charged, safeguarding your adventures and operations on the water. Choose Mastervolt for reliability, efficiency, and the power to be independent.\u003c\/p\u003e","brand":"Mastervolt","offers":[{"title":"120 Amp \/ 2","offer_id":52023366582453,"sku":"QBP644546-V1","price":656.99,"currency_code":"USD","in_stock":true},{"title":"220 Amp \/ 3","offer_id":52023366615221,"sku":"QBP644546-V7","price":793.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1214694_qbp644546.jpg?v=1763253807"},{"product_id":"qbp378793","title":"Mastervolt - Battery Mate 1603 IG Isolator - 120A, 3 Bank","description":"\u003ch4\u003eRevolutionize Your Charging with Mastervolt Battery Mate 1603 IG Isolator\u003c\/h4\u003e \u003cp\u003eUnveil the pinnacle of battery charging innovation with the Mastervolt Battery Mate 1603 IG Isolator. Engineered to perfection for simultaneous charging across three batteries, this device seamlessly integrates with any alternator or battery charger setup, marking a significant leap over traditional battery isolators. Experience the efficiency of mosfet technology ensuring minimal voltage loss and optimal charging, irrespective of system configurations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSeamlessly charges three batteries concurrently, maximizing system efficiency.\u003c\/li\u003e \u003cli\u003eAdvanced electronic mosfet technology guarantees minimal voltage loss and precise charging.\u003c\/li\u003e \u003cli\u003eUniversal compatibility with existing and new alternator\/battery charger systems.\u003c\/li\u003e \u003cli\u003eEffortless installation on a DIN rail for a clean and organized setup.\u003c\/li\u003e \u003cli\u003eIncorporates an additional IG contact for systems requiring alternator external excitation or voltage sensing.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eEmpower Your System with Advanced Charging Technology\u003c\/h4\u003e \u003cp\u003eDesigned to surpass the limitations of conventional diode splitters, the Battery Mate 1603 IG Isolator is your gateway to enhanced charging performance. Its robust design and advanced technology ensure that your batteries are charged quickly and efficiently, without the need for manual alternator adjustments.\u003c\/p\u003e \u003ch4\u003eEfficient Integration and Superior Performance\u003c\/h4\u003e \u003cp\u003eEmbrace the future of battery charging with the Mastervolt Battery Mate 1603 IG Isolator. Whether it's for professional marine use, recreational boating, or any application requiring multiple battery banks, this isolator delivers unparalleled performance, ensuring your batteries are always ready for action.\u003c\/p\u003e \u003cp\u003eChoose Mastervolt for a seamless, efficient, and reliable charging solution that stands the test of time and keeps you powered on all your adventures. 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Designed for the demanding marine environment, this 100 Amp transformer stands as the cornerstone for accurate and efficient AC power management onboard. Its quiet operation, coupled with a durable moisture-resistant coating, ensures uninterrupted service and longevity. Perfect for a wide range of vessels, this transformer will enhance your marine electrical system's functionality, providing peace of mind during your sea journeys.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTape wound core for quiet and reliable performance\u003c\/li\u003e \u003cli\u003eRobust PVC coating resistant to marine moisture conditions\u003c\/li\u003e \u003cli\u003eOptimized for both 50Hz and 60Hz, accommodating global marine standards\u003c\/li\u003e \u003cli\u003e6-inch secondary pigtails, tin plated for corrosion resistance, with intuitive color coding\u003c\/li\u003e \u003cli\u003eOperates efficiently within a wide temperature range, from 0 to 80°C\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eSail with Confidence: Technical Prowess Unveiled\u003c\/h4\u003e \u003cp\u003eThe Paneltronics AC Miniature Meter Transformer is engineered to deliver unparalleled performance in marine settings. Its core is meticulously tape wound to minimize operational noise, ensuring a quiet environment onboard. The transformer is encased in a tough PVC coating, offering superior protection against the harsh marine conditions. With a rating for both 50\/60Hz operation, it is versatile for use in various geographical locations. The color-coded secondary pigtails simplify installation, making it an ideal choice for both seasoned sailors and marine enthusiasts alike.\u003c\/p\u003e \u003ch4\u003eCompact Powerhouse: Dimensions Defined\u003c\/h4\u003e \u003cp\u003eDespite its powerful capabilities, this transformer is designed with space efficiency in mind. The compact design ensures it integrates seamlessly into your vessel's electrical setup without compromising on performance.\u003c\/p\u003e \u003c!-- If variations list is provided, insert here --\u003e\u003c!-- Example Variations Section, remove comment tags if applicable \u003cH4\u003eChoose Your Fit: Available Variations\u003c\/H4\u003e \u003cp\u003eUnderstanding the diverse needs of marine electrical systems, the Paneltronics AC Miniature Meter Transformer is available in various models to suit your specific requirements. Each variant is tailored to offer the same high quality and reliability, with differences in capacity or additional features to match your vessel's unique needs.\u003c\/p\u003e --\u003e\u003c!-- Omit Color Temperature and Finishes sections if not applicable --\u003e \u003ch4\u003eElectrify Your Marine Adventures\u003c\/h4\u003e \u003cp\u003eWith its robust design, quiet efficiency, and reliable performance, the Paneltronics AC Miniature Meter Transformer is an essential component for any marine electrical system. It not only meets but exceeds the rigorous demands of marine environments, ensuring your vessel remains powered and protected on all fronts. Embark on your next sea voyage with confidence, knowing your electrical system is backed by the precision and durability of Paneltronics.\u003c\/p\u003e","brand":"Paneltronics","offers":[{"title":"Default Title","offer_id":52023393222837,"sku":"QBP969662","price":54.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1215350_qbp969662.jpg?v=1763254138"},{"product_id":"qbp234237","title":"ProMariner - Battery Isolator - 130 AMP, 2 Alternator, 3 Battery","description":"\u003ch4\u003eOptimize Your Marine Charging System with ProMariner's 130 AMP Battery Isolator\u003c\/h4\u003e \u003cp\u003eDiscover the ultimate solution for managing your marine power needs with the \u003cstrong\u003eProMariner Battery Isolator - 130 AMP for 2 Alternators and 3 Batteries\u003c\/strong\u003e. Designed for the serious mariner, this isolator is engineered to ensure efficient power distribution and enhanced battery charging across multiple batteries. Featuring gold-plated terminals for maximum conductivity and resistance to corrosion, this device stands as a pinnacle of charging technology in marine applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEfficiently manages the charging of three batteries from two separate alternators, optimizing power distribution and extending battery life.\u003c\/li\u003e \u003cli\u003eGold-plated terminals offer superior electrical conductivity and resistance to corrosion, ensuring reliable performance in marine environments.\u003c\/li\u003e \u003cli\u003eCapable of supporting a wide range of DC devices, from 10 amps to 130 amps, providing versatile application options.\u003c\/li\u003e \u003cli\u003eDesigned for improved efficiency, reducing power loss during charging for quicker charge times and longer battery life.\u003c\/li\u003e \u003cli\u003eStreamlines the charging process, making it easier to maintain optimal power levels for all your marine batteries.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eAdvanced Power Management for Marine Enthusiasts\u003c\/h4\u003e \u003cp\u003eEmbrace the advanced technology of ProMariner's Battery Isolator and experience unparalleled efficiency in charging and managing your vessel's batteries. This device not only simplifies the power management process but also ensures that your batteries are maintained at their peak for any adventure that calls.\u003c\/p\u003e \u003ch4\u003eReliable Charging in Harsh Marine Conditions\u003c\/h4\u003e \u003cp\u003eConstructed to withstand the rigors of the marine environment, the ProMariner Battery Isolator guarantees that your batteries are always ready to perform. Its robust design and corrosion-resistant terminals ensure durability and reliability, making it an essential component of your marine electrical system.\u003c\/p\u003e \u003cp\u003eChoose the ProMariner Battery Isolator for your vessel and enjoy the peace of mind that comes with knowing your batteries are being charged efficiently and safely, no matter where your maritime adventures may lead. With this cutting-edge solution, you're not just buying a product; you're investing in the longevity and reliability of your marine batteries.\u003c\/p\u003e","brand":"ProMariner","offers":[{"title":"Default Title","offer_id":52023484809397,"sku":"QBP234237","price":739.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1218447_qbp234237.jpg?v=1763255210"},{"product_id":"qbp337576","title":"ProMariner - ProIso Charge 150 0 Voltage Loss Isolator - 24V, 1 Alternator, 3 Batteries","description":"\u003ch4\u003eIntelligent Zero Voltage Loss Battery Isolation and Charging\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003eProMariner ProIsoCharge 150\u003c\/strong\u003e is a cutting-edge battery isolator designed to optimize charging efficiency for marine applications. Engineered with advanced digital performance technology, this isolator ensures zero voltage loss, providing full alternator output distribution while prioritizing engine battery health. By intelligently managing charging between multiple battery banks, it enhances battery longevity and maximizes onboard power availability. Ideal for single alternator systems supporting up to three independent battery banks, it offers a seamless and efficient charging solution for boats requiring reliable power distribution.\u003c\/p\u003e\u003ch4\u003eAdvanced Digital Charging Technology\u003c\/h4\u003e\u003cp\u003eEquipped with \u003cstrong\u003eProMar Digital Performance Zero Volt Loss Isolation\u003c\/strong\u003e, this system actively monitors battery status and dynamically allocates power where it's needed most. The intelligent software prioritizes charging for discharged battery banks while maintaining the health of engine start batteries. This ensures that essential onboard power systems receive energy without overburdening the alternator.\u003c\/p\u003e\u003ch4\u003eReal-Time LED Status Indicators\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003eProIsoCharge 150\u003c\/strong\u003e includes highly visible LED indicators to provide instant feedback on alternator power and battery charging status. Fault LEDs alert users to high or low alternator output, over-voltage conditions, and any irregularities in the battery banks, ensuring optimal system monitoring and maintenance.\u003c\/p\u003e\u003ch4\u003eIgnition-Controlled Smart Charging\u003c\/h4\u003e\u003cp\u003eDesigned for efficiency and safety, this unit features \u003cstrong\u003eDistributed On Demand™ battery bank management\u003c\/strong\u003e, which activates only when the ignition is powered on. 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Designed to provide a secure power isolation solution, this remote isolator ensures that power is only available when the Lewmar safety control panel is energized. By preventing accidental activation, it adds an essential layer of protection to your vessel’s electrical system.\u003c\/p\u003e\u003ch4\u003eIntelligent Auto Power Off Feature\u003c\/h4\u003e\u003cp\u003eThe Lewmar 589034 Remote Isolator is equipped with an automatic power-off function, reducing the risk of power drain and unnecessary energy consumption. 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essentially zero volts at low current, so all the power of the alternator is applied to the batteries ensuring a full recharge every time.\u003c\/p\u003e \u003cp\u003eWhile the Ideal Battery Isolator is designed to be used with an alternator, it can also be used to convert a single bank battery charger to a 2 or 3 bank charger or as a pure diode between a vehicle and trailer or other remote load.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWaterproof Expoxy Sealed Construction\u003c\/li\u003e \u003cli\u003eEasy Connection\u003c\/li\u003e \u003cli\u003eAlternator\/Charger post 5\/16\", Battery Post 1\/4\"\u003c\/li\u003e \u003cli\u003eMost Efficient use of Available Alternator Output\u003c\/li\u003e \u003cli\u003eMaximize Battery Performance\u003c\/li\u003e \u003cli\u003eThree year parts and labour warranty\u003c\/li\u003e \u003c\/ul\u003e","brand":"Analytic Systems","offers":[{"title":"Default Title","offer_id":52024233820341,"sku":"QBP257407","price":278.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1256075_qbp257407.jpg?v=1763267813"},{"product_id":"qbp318711","title":"Analytic Systems 200A, 40V 3-Bank Ideal Battery Isolator IBI3-40-200","description":"\u003cp\u003e\u003cstrong\u003e200A, 40V 3-Bank Ideal Battery Isolator\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWaterproof Expoxy Sealed Construction\u003c\/li\u003e \u003cli\u003eEasy Connection\u003c\/li\u003e \u003cli\u003eMost Efficient use of Available Alternator Output\u003c\/li\u003e \u003cli\u003eMaximize Battery Performance\u003c\/li\u003e \u003cli\u003eThree year parts and labour warranty\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eAnalytic Systems introduces the IBI (Ideal Battery Isolator) for 1, 2 and 3 bank battery systems, allowing all the batteries to be fully charged from a single alternator while maintaining electrical\u003cbr\u003eisolation between the battery banks or between a vehicle and trailer.\u003c\/p\u003e \u003cp\u003eIdeal Diode technology uses MosFet Transistors and control circuitry to replace the diode used in a traditional battery isolator and reduces the voltage drop across the isolator to a mere 160 millivolts at 200 Amps of charging current and essentially zero volts at low current, so all the power of the alternator is applied to the batteries ensuring a full recharge every time.\u003c\/p\u003e \u003cp\u003eWhile the Ideal Battery Isolator is designed to be used with an alternator, it can also be used to convert a single bank battery charger to a 2 or 3 bank charger or as a pure diode between a vehicle and trailer or other remote load.\u003c\/p\u003e","brand":"Analytic Systems","offers":[{"title":"Default Title","offer_id":52024233885877,"sku":"QBP318711","price":339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1256076_qbp318711.jpg?v=1763267813"},{"product_id":"qbp040126","title":"Victron Energy Argodiode 80-2SC Battery Isolator, 2 Batteries, 80A, 12\/24V","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Victron Energy ARG080202000 is an Argo Diode 80-2SC battery isolator for charging two 12V or 24V battery banks from a single alternator while keeping the banks electrically separated. It is rated for 80 A maximum charge current and 80 A maximum alternator current, with M6 stud connections and a 6.3 mm Faston connection for the compensation diode.\u003c\/p\u003e\u003cp\u003eThis isolator suits boat electrical systems where a starter battery and a house or accessory battery share the same alternator. Both banks can receive charge at the same time, but discharge from the service side will not also drain the starter battery. Schottky diodes keep the voltage drop low, at approximately 0.3 V at low current and approximately 0.45 V at rated output.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eCharges two battery banks from one alternator while keeping the banks separated from each other.\u003c\/li\u003e\n\u003cli\u003eSuitable for nominal 12V and 24V battery systems.\u003c\/li\u003e\n\u003cli\u003eRated for 80 A maximum charge current and 80 A maximum alternator current.\u003c\/li\u003e\n\u003cli\u003eSchottky diode design keeps voltage drop to approximately 0.3 V at low current and approximately 0.45 V at rated output.\u003c\/li\u003e\n\u003cli\u003eCompensation diode connection can be used with alternator voltage sensing to help offset isolator voltage drop.\u003c\/li\u003e\n\u003cli\u003eM6 stud main terminals support secure high-current DC cable connections.\u003c\/li\u003e\n\u003cli\u003eCompact housing measures 60 x 120 x 75 mm for installation in tight electrical compartments.\u003c\/li\u003e\n\u003cli\u003eThe 80-2SC model does not include an alternator energize input, so alternators that need B+ excitation should be checked before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eThe isolator is installed in the positive charging path between the alternator and the batteries. The alternator positive output connects to the isolator input, and the positive feeds for the two battery banks connect to outputs 1 and 2. The battery negatives should return to a common negative bus.\u003c\/p\u003e\u003cp\u003eBefore working on the DC system, the battery negative cables should be disconnected. Cable runs should be kept short and sized for the charging current, as voltage drop in long or undersized cable can reduce the charge reaching the batteries. The unit can become hot in service, so it should be mounted only on a non-flammable surface with enough space around it for heat to clear.\u003c\/p\u003e\u003ch6\u003eMarine use\u003c\/h6\u003e\u003cp\u003eOn a powerboat, sailboat, or fishing boat with a separate engine start bank and house bank, this isolator helps preserve starting reserve while still allowing alternator charging to reach both banks. It is a practical fit for straightforward dual-bank DC systems where the goal is separation rather than battery combining for shared loads.\u003c\/p\u003e\u003cp\u003eSystem protection, battery switching, fusing, and cable sizing should be handled as part of the vessel's overall DC installation. For alternators with external sensing, the compensation connection can help account for the diode voltage drop so the charging system is set up more accurately.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":52581876596917,"sku":"QBP040126","price":39.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1332346_qbp040126.jpg?v=1780201035"},{"product_id":"qbp040708","title":"Victron Energy Argodiode 140-3AC Battery Isolator, For 3 Batteries, 140A","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Victron Energy ARG140301020R is an Argodiode 140-3AC battery isolator for charging three separate battery banks from one alternator without tying those banks together. It is rated for a maximum charge current of 140 A, works with 12V and 24V battery systems, and uses Schottky diodes to keep voltage drop low for this type of charging setup.\u003c\/p\u003e\u003cp\u003eOn a boat, this unit is a practical fit where the alternator needs to feed a starter battery, house bank, and an additional service or accessory battery while keeping discharge isolated between them. Draining the house or accessory bank will not also pull down the starter battery through the isolator, which is the main reason this layout is common on cruising boats, fishing boats, and workboats with multiple battery banks.\u003c\/p\u003e\u003cp\u003eThe 140-3AC version supports three batteries, uses M8 studs for the main cable connections, and has a 6.3 mm Faston connection for the compensation diode and energize circuit. The housing measures 60 x 120 x 150 mm and weighs about 1.1 kg, so it can be planned into a protected electrical compartment without taking up much space.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eCharges up to three battery banks from a single alternator while keeping the banks electrically separated.\u003c\/li\u003e\n\u003cli\u003e140 A maximum charge current and 140 A maximum alternator current for larger onboard charging systems.\u003c\/li\u003e\n\u003cli\u003eSuitable for both 12V and 24V battery systems, which helps with fit across many marine electrical layouts.\u003c\/li\u003e\n\u003cli\u003eSchottky diode construction keeps voltage drop to approximately 0.3 V at low current and approximately 0.45 V at rated output.\u003c\/li\u003e\n\u003cli\u003eCurrent limited alternator energize input helps alternators that need voltage on the B+ output before they begin charging.\u003c\/li\u003e\n\u003cli\u003eM8 main studs suit higher current battery cabling, with 6.3 mm Faston terminals for compensation and energize connections.\u003c\/li\u003e\n\u003cli\u003eCompact 60 x 120 x 150 mm footprint makes placement easier in battery lockers, engine spaces, or protected DC electrical areas.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eThis isolator belongs in the charging circuit between the alternator and the battery banks. Cable size, terminal hardware, routing, and overcurrent protection need to match the alternator output and the boat installation, especially where long cable runs, vibration, and heat are part of the layout.\u003c\/p\u003e\u003cp\u003eBecause any diode isolator introduces some voltage drop, charging voltage should be checked after installation. The compensation diode connection can be used to help offset that drop at the alternator, which matters when the goal is to charge the batteries properly rather than only split the alternator output.\u003c\/p\u003e\u003ch6\u003eElectrical and battery bank use\u003c\/h6\u003e\u003cp\u003eThe 140-3AC is useful when a boat has more than one battery role and those roles should remain separated during use. A common arrangement is one starting battery, one house bank, and one extra bank for equipment, electronics, or a second engine-related load, with the alternator feeding all three while the isolator prevents one bank from backfeeding another.\u003c\/p\u003e\u003cp\u003eThe alternator energize input is especially relevant on installations where the alternator will not start charging unless it sees DC voltage on B+. In that case, the energize circuit supplies the required signal when the engine run or stop switch is closed.\u003c\/p\u003e\u003ch6\u003eMaintenance and care\u003c\/h6\u003e\u003cp\u003eInstall the unit where it stays protected from direct spray, bilge water, and accidental contact with loose gear. Periodic checks should focus on clean terminals, tight cable connections, strain relief, and signs of heat at the studs or cable lugs, since high current charging systems depend on low resistance connections.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":52581876629685,"sku":"QBP040708","price":95.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1332347_qbp040708.jpg?v=1780201036"},{"product_id":"qbp512154","title":"Victron Energy Shore Power Isolation Transformer, Soft Start, Toroidal Wound","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Victron Energy Isolation Transformers is a shore-power isolation transformer range for boats that need electrical separation between the marina supply and the onboard AC system. It is used in professional marine AC installations to break the direct shore-ground connection, helping protect immersed metal parts such as shafts, propellers, and through-hulls from galvanic corrosion while keeping the onboard AC system properly grounded on the vessel side.\u003c\/p\u003e\u003cp\u003eThe range covers 2000 Watt, 2500 Watt, 3600 Watt, and 7000 Watt models. The 2000, 2500, and 3600 Watt versions can be configured for 115\/120 V or 230\/240 V input and output, while the 7000 Watt version is for 230\/240 V systems. The transformers operate on 50\/60Hz systems, use toroidal transformer construction, include soft start, and have an aluminium enclosure with IP21 protection.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eIsolates the vessel AC system from shore power ground, helping reduce galvanic corrosion risk while connected at the dock.\u003c\/li\u003e\n\u003cli\u003eSupports common shore-power arrangements, including 115\/120 V and 230\/240 V configurations on the 2000, 2500, and 3600 Watt models.\u003c\/li\u003e\n\u003cli\u003e7000 Watt model supports 230\/240 V input and 230\/240 V output for larger AC shore-power systems.\u003c\/li\u003e\n\u003cli\u003eSoft start helps limit transformer inrush current when shore power is connected.\u003c\/li\u003e\n\u003cli\u003e50\/60Hz compatibility for use with either frequency, while frequency conversion is not provided.\u003c\/li\u003e\n\u003cli\u003eToroidal transformer construction keeps weight and operating noise lower than many conventional transformer layouts.\u003c\/li\u003e\n\u003cli\u003eAluminium enclosure with IP21 protection and EN 60076 safety compliance for protected onboard installation spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eVariants\u003c\/h6\u003e\u003cp\u003eThis product is offered in four power and voltage configurations for different onboard AC loads and shore-power layouts.\u003c\/p\u003e\u003cp\u003eThe main differences are the power rating and the supported input and output voltage arrangement. Across the range, the transformers share the same core purpose of shore-power isolation, galvanic corrosion reduction, soft start, 50\/60Hz operation, toroidal construction, aluminium enclosure, IP21 protection, and EN 60076 safety compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eITR040202041: 2000 Watt power, 115\/120 or 230\/240 V input, and 115\/120 or 230\/240 V output. This version fits smaller AC installations where the boat may need a configured 120 V or 240 V output from shore power.\u003c\/li\u003e\n\u003cli\u003eITR040252042: 2500 Watt power, 115\/120 or 230\/240 V input, and 115\/120 or 230\/240 V output. This rating suits moderate onboard AC loads with flexible voltage configuration for marina connections.\u003c\/li\u003e\n\u003cli\u003eITR040362042: 3600 Watt power, 115\/120 or 230\/240 V input, and 115\/120 or 230\/240 V output. This version gives more capacity for vessels with a larger AC distribution panel or more shore-powered equipment.\u003c\/li\u003e\n\u003cli\u003eITR000702002: 7000 Watt power, 230\/240 V input, and 230\/240 V output. This configuration is for higher-capacity 230\/240 V shore-power systems where voltage conversion to 120 V is not required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eElectrical and system integration\u003c\/h6\u003e\u003cp\u003eThe transformer is installed in the AC shore-power path between the shore inlet and the vessel AC distribution. The shore side connects to the primary side of the transformer, and the boat AC system connects to the secondary side, so the vessel side can be grounded without carrying the marina ground directly onto immersed metalwork.\u003c\/p\u003e\u003cp\u003eA GFCI or RCD remains an important part of the onboard AC output side. The neutral-to-earth link on the secondary side is used so the protection device can trip correctly if a fault occurs on the vessel side of the installation.\u003c\/p\u003e\u003ch6\u003eInstallation and fit\u003c\/h6\u003e\u003cp\u003eMount the unit in a protected onboard location such as an electrical locker, machinery space, or dry technical compartment with suitable ventilation and access for wiring. The IP21 rating is not for exposed deck, cockpit washdown, or bilge locations where water spray or standing water can reach the enclosure.\u003c\/p\u003e\u003cp\u003eAC shore-power work should be handled by a qualified marine electrician. Correct cable sizing, overcurrent protection, grounding, neutral bonding, and shore inlet wiring are all critical to safe operation on board.\u003c\/p\u003e\u003ch6\u003eUse on board\u003c\/h6\u003e\u003cp\u003eThis range is a good match for cruising sailboats, motor yachts, workboats, and other vessels that spend meaningful time connected to shore power. It is especially useful where corrosion control and AC fault protection need to be addressed together rather than treating the shore-ground connection as a simple wiring detail.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"2000 Watt \/ 115\/120 or 230\/240 V \/ 115\/120 or 230\/240 V","offer_id":52581956976821,"sku":"QBP512154-V1","price":451.43,"currency_code":"USD","in_stock":true},{"title":"2500 Watt \/ 115\/120 or 230\/240 V \/ 115\/120 or 230\/240 V","offer_id":52581957009589,"sku":"QBP512154-V2","price":0.0,"currency_code":"USD","in_stock":false},{"title":"3600 Watt \/ 115\/120 or 230\/240 V \/ 115\/120 or 230\/240 V","offer_id":52581957042357,"sku":"QBP512154-V3","price":0.0,"currency_code":"USD","in_stock":false},{"title":"7000 Watt \/ 230\/240 V \/ 230\/240 V","offer_id":52581957075125,"sku":"QBP512154-V4","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1335948_qbp512154.webp?v=1780201750"},{"product_id":"qbp883723","title":"Victron Energy Current Transformer, For MultiPlus-II and MultiGrid-II, 100A:50mA, Jack Connector","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Victron Energy Current Transformer 100A:50mA for MultiPlus-II is an external current sensing transformer for Victron MultiPlus-II and MultiGrid-II inverter\/charger installations.\u003c\/p\u003e\u003cp\u003eIt is used where the inverter\/charger needs external current measurement to support PowerControl, PowerAssist, and self-consumption optimization. In a marine electrical system, that makes it relevant for boats using a Victron inverter\/charger with shore power, generator input, or an onboard AC system where current measurement needs to happen away from the main unit.\u003c\/p\u003e\u003cp\u003eThis CTR11 series version uses a jack connector and is offered with 1 m, 5 m, and 20 m cable lengths, so the transformer can be matched to the distance between the monitored conductor and the MultiPlus-II or MultiGrid-II location.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e100A:50mA current transformer for external current sensing in Victron MultiPlus-II and MultiGrid-II systems.\u003c\/li\u003e\n\u003cli\u003eSupports PowerControl and PowerAssist functions when installed as part of the compatible Victron system.\u003c\/li\u003e\n\u003cli\u003eHelps optimize self-consumption in systems that use external current sensing.\u003c\/li\u003e\n\u003cli\u003eCTR11 series configuration uses a jack connector for connection to the compatible Victron unit.\u003c\/li\u003e\n\u003cli\u003eAvailable cable lengths of 1 m, 5 m, and 20 m cover short equipment-panel runs as well as longer routing paths on board.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eVariants\u003c\/h6\u003e\u003cp\u003eThis product is offered in multiple cable-length configurations for different installation layouts.\u003c\/p\u003e\u003cp\u003eThe current transformer rating, compatible Victron product family, and jack connector style are consistent across these CTR11 variants. The cable length is the option that changes, which affects how far the transformer can be placed from the MultiPlus-II or MultiGrid-II connection point.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCTR110000500: Cable length 1 m. This short cable works for compact electrical panels where the monitored conductor and the Victron unit are mounted close together.\u003c\/li\u003e\n\u003cli\u003eCTR110000550: Cable length 5 m. This mid-length option gives more routing flexibility when the AC wiring point is separated from the inverter\/charger location.\u003c\/li\u003e\n\u003cli\u003eCTR110002050: Cable length 20 m. This longer cable suits installations where the sensing point is farther away, such as larger boats with separated AC distribution and equipment spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eThe transformer should be installed as part of a compatible Victron MultiPlus-II or MultiGrid-II system, following the wiring layout required for external current sensing. The cable length should be selected before installation so the run can be routed cleanly without strain at the connector or the sensing point.\u003c\/p\u003e\u003cp\u003eOn boats, keep the cable path protected from chafe, heat, and service access areas where it may be pulled or pinched during maintenance. A tidy route through the electrical space also makes later inspection easier.\u003c\/p\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eThis current transformer is intended for Victron MultiPlus-II and MultiGrid-II inverter\/charger systems that use a 100A:50mA external current transformer. It is not a universal AC sensor for every inverter or monitoring display, so the connected Victron unit and system design should match this transformer type before installation.\u003c\/p\u003e\u003cp\u003eThe product is a good match for marine power systems where Victron inverter\/charger control needs current information from a specific point in the AC installation, especially when the sensing location is not directly beside the inverter\/charger.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"1 m","offer_id":52581995544757,"sku":"QBP883723-V1","price":37.62,"currency_code":"USD","in_stock":true},{"title":"5 m","offer_id":52581995577525,"sku":"QBP883723-V2","price":42.45,"currency_code":"USD","in_stock":true},{"title":"20 m","offer_id":52581995610293,"sku":"QBP883723-V3","price":75.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1336472_qbp883723.webp?v=1780202250"},{"product_id":"qbp888544","title":"Victron Energy Current Transformer, For MultiPlus-II and MultiGrid-II, 100A:50mA, Wire End","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Victron Energy Current Transformer 100A:50mA for MultiPlus-II Wire-end is an external AC current sensor for Victron MultiPlus-II and MultiGrid-II inverter\/charger systems. It uses a 100A:50mA transformer ratio and a wire-end connection, giving installers a direct lead option for control cabinets, electrical panels, and onboard power systems where the current sensor needs to be placed away from the inverter\/charger.\u003c\/p\u003e\u003cp\u003eIn a marine installation, this current transformer helps the Victron system read current on an external AC conductor without routing that conductor through the inverter\/charger itself. That makes it useful for boats using shore power, generator input, or energy storage setups where PowerControl, PowerAssist, or self-consumption control depends on accurate external current sensing.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e100A:50mA current transformer ratio for external AC current sensing in compatible Victron systems.\u003c\/li\u003e\n\u003cli\u003eWire-end version from the CTR12xxxx range for installations that need bare lead termination rather than a jack connector.\u003c\/li\u003e\n\u003cli\u003eCompatible with Victron MultiPlus-II and MultiGrid-II inverter\/charger systems for PowerControl, PowerAssist, and self-consumption applications.\u003c\/li\u003e\n\u003cli\u003eAvailable with 1 m, 5 m, and 20 m wire lengths to suit short cabinet runs or longer cable paths across an onboard electrical layout.\u003c\/li\u003e\n\u003cli\u003eAllows AC current to be measured on an external conductor without sending that conductor through the inverter\/charger.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eVariants\u003c\/h6\u003e\u003cp\u003eThis product is offered in three wire-length configurations. The current transformer function, 100A:50mA ratio, wire-end connection style, and MultiPlus-II \/ MultiGrid-II application remain consistent across the range.\u003c\/p\u003e\u003cp\u003eThe length difference helps match the sensor to the physical layout of the boat, especially when the measured AC conductor, distribution panel, and inverter\/charger are not mounted close together.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCTR120000500 with 1 m wire length. This length suits compact installations where the current transformer is mounted close to the Victron equipment or within the same electrical area.\u003c\/li\u003e\n\u003cli\u003eCTR120000550 with 5 m wire length. This option gives more routing room for panels, lockers, or equipment spaces where the sensor and inverter\/charger are separated by a moderate distance.\u003c\/li\u003e\n\u003cli\u003eCTR120002050 with 20 m wire length. This length supports longer cable paths across larger boats or distributed AC layouts where the sensing point is well away from the inverter\/charger location.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eThe current transformer is placed around the AC conductor that the system needs to monitor, then wired back to the compatible Victron inverter\/charger input for current sensing. It is a practical fit for shore power and generator management layouts where the electrical system needs to limit input current or supplement incoming AC power during short demand peaks.\u003c\/p\u003e\u003cp\u003eFor clean onboard integration, plan the wire length before installation and route the lead away from unnecessary strain, sharp edges, and high-heat areas. The 1 m version works well in close-mounted electrical boards, while the 5 m and 20 m versions give more freedom when the AC distribution point and inverter\/charger are installed in different spaces.\u003c\/p\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eThis wire-end current transformer belongs with Victron MultiPlus-II and MultiGrid-II systems that use external current sensing. It is a good match for boat owners, marine electricians, and system builders working on inverter\/charger installations where shore power limits, generator loading, and energy flow need to be managed from a measured AC conductor.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"1 m","offer_id":52581995708597,"sku":"QBP888544-V1","price":37.62,"currency_code":"USD","in_stock":true},{"title":"5 m","offer_id":52581995741365,"sku":"QBP888544-V2","price":0.0,"currency_code":"USD","in_stock":false},{"title":"20 m","offer_id":52581995774133,"sku":"QBP888544-V3","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1336481_qbp888544.webp?v=1780202252"},{"product_id":"qbp926489","title":"Victron Energy 4500W Auto 115\/230V Isolation Transformer, 120\/240V Output, IP21","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Victron Energy ITR050452042 is a 4500W isolation transformer for boat shore power systems that need AC electrical isolation, galvanic corrosion protection, and automatic input voltage detection for 115V or 230V supplies. It accepts 115V or 230V AC input, outputs 120V or 240V AC depending on configuration, and runs at 50\/60Hz.\u003c\/p\u003e\u003cp\u003eBy separating the vessel AC system from the shore-side ground, this transformer helps reduce galvanic corrosion risk on underwater metal parts such as shafts, propellers, through-hulls, and fittings while still supporting safe onboard grounding practice. It is a practical fit for cruising boats, fishing boats, and larger vessels that connect to marina shore power for charging, appliances, heating, air conditioning, and dockside AC loads.\u003c\/p\u003e\u003cp\u003eThe unit has a 38A output current rating at 115V and 19A at 230V. It uses a toroidal transformer with a 1:1.05 ratio, soft start to limit inrush current, and an aluminium enclosure with IP21 protection, so it belongs in a dry, protected technical space rather than an exposed cockpit or deck locker.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e4500W shore power isolation for vessel AC installations using 115V or 230V supply.\u003c\/li\u003e\n\u003cli\u003eAutomatic AC input voltage detection switches between 115V and 230V input ranges.\u003c\/li\u003e\n\u003cli\u003eConfigurable AC output supports 120V or 240V onboard AC layouts.\u003c\/li\u003e\n\u003cli\u003eHelps break electrical continuity between shore power and the boat to reduce galvanic corrosion risk.\u003c\/li\u003e\n\u003cli\u003eSoft start limits transformer inrush current, helping prevent nuisance tripping of shore power protection.\u003c\/li\u003e\n\u003cli\u003e38A output rating at 115V and 19A output rating at 230V for matching shore power capacity and onboard load planning.\u003c\/li\u003e\n\u003cli\u003eToroidal transformer construction keeps weight and operating noise lower than many conventional transformer layouts.\u003c\/li\u003e\n\u003cli\u003eAluminium blue RAL 5012 enclosure with IP21 protection for installation in a dry machinery space, electrical locker, or similar protected area.\u003c\/li\u003e\n\u003cli\u003eOperating temperature range is -20°C to 40°C with maximum 95% non-condensing humidity.\u003c\/li\u003e\n\u003cli\u003eEN 60076 safety standard, 21.8 kg weight, and 362 x 258 x 221 mm dimensions for layout and mounting checks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eThis transformer is installed between the shore power inlet and the vessel AC distribution system. Shore power connects to the AC input terminals, and the vessel AC loads connect to the AC output terminals. The enclosure ground is connected to the vessel grounding system, and the neutral-to-earth link on the output side is set as part of the installation so downstream GFCI protection can operate correctly.\u003c\/p\u003e\u003cp\u003eThe AC output voltage must be configured for 115V or 230V use with the included black jumper wires. Minimum cable cross-sections are 6 mm² or AWG 10 for 115V operation and 4 mm² or AWG 11 for 230V operation. AC shore power work should be handled by a qualified marine electrician because correct grounding, overcurrent protection, cable sizing, and fault protection are critical on board.\u003c\/p\u003e\u003ch6\u003eElectrical and system integration\u003c\/h6\u003e\u003cp\u003eThe transformer can be used in 115V to 120V, 230V to 240V, 115V to 240V, and 230V to 120V shore power arrangements. The 1:1.05 ratio raises the AC output slightly compared with the input, which should be considered when checking compatibility with onboard AC equipment and marina supply conditions.\u003c\/p\u003e\u003cp\u003eWhen the vessel is out of the water for maintenance or winter storage, the AC input earth and AC output earth can be linked inside the transformer with the included yellow and green jumper wire. This keeps the shore earth connection in place during on-land service conditions.\u003c\/p\u003e\u003ch6\u003eUse cases on board\u003c\/h6\u003e\u003cp\u003eThis isolation transformer is a strong match for boats that spend regular time connected to shore power and need a clean separation between marina AC supply and the vessel electrical system. It is especially useful where galvanic corrosion control matters, such as boats with exposed shafts, propellers, metal through-hulls, or mixed underwater metals.\u003c\/p\u003e\u003cp\u003eBecause the enclosure is IP21, the installation location should be sheltered from spray, bilge water, washdowns, and direct weather exposure. Plan for the 21.8 kg weight, airflow around the enclosure, and access to the terminals and jumper positions during installation and inspection.\u003c\/p\u003e\u003ch6\u003eWhat’s included\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e1 isolation transformer\u003c\/li\u003e\n\u003cli\u003e1 hanging bracket for mounting inside a vessel\u003c\/li\u003e\n\u003cli\u003e1 long yellow and green jumper wire with female 6.35 mm spade connectors for linking AC input earth to AC output earth when the vessel is out of the water\u003c\/li\u003e\n\u003cli\u003e1 long yellow and green wire with eye terminals for case grounding\u003c\/li\u003e\n\u003cli\u003e1 short yellow and green jumper wire with female 6.35 mm spade connectors for the AC output neutral to earth link\u003c\/li\u003e\n\u003cli\u003e4 short black jumper wires with 6.35 mm female spade connectors for AC configuration\u003c\/li\u003e\n\u003cli\u003e7 mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":52715827036341,"sku":"QBP926489","price":597.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1341136_qbp926489.webp?v=1781720195"},{"product_id":"qbp712431","title":"Victron Energy Autotransformer, 120\/240V AC, 50A, 50\/60Hz, IP21","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Victron Energy ITR000100052 is a 120\/240 VAC 50A autotransformer for step-up, step-down, and split-phase load balancing in marine AC power systems. It works with 120\/240V AC systems at 50\/60 Hz, making it a practical component for boats using split-phase shore power, generators, or Victron inverter\/charger installations where load balance between legs matters.\u003c\/p\u003e\u003cp\u003eIn a split-phase setup, this unit can create a usable neutral point and help balance uneven 120V loads across a 240V supply. That can be useful on cruising boats and larger onboard electrical systems where one leg may carry heavier cabin, galley, HVAC, or utility loads than the other.\u003c\/p\u003e\u003cp\u003eThe unit uses a toroidal transformer in an aluminium enclosure with IP21 protection, so it belongs in a protected electrical space rather than an exposed deck or washdown area. Its rated 240V feed-through current is 50A, with neutral current rated at 45A continuous at 40°C and 55A for 30 minutes.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003eSupports 120\/240 VAC step-up, step-down, and split-phase output balancing in AC power systems.\u003c\/li\u003e\n\u003cli\u003eRated for 50A maximum 240V feed-through current, with a 50A two-pole input circuit breaker.\u003c\/li\u003e\n\u003cli\u003eWorks on 50\/60 Hz AC systems commonly used with shore power, onboard generators, and inverter\/charger installations.\u003c\/li\u003e\n\u003cli\u003eToroidal transformer construction helps keep the unit suitable for demanding onboard electrical installations.\u003c\/li\u003e\n\u003cli\u003eAluminium enclosure with IP21 protection for installation inside a dry, protected compartment.\u003c\/li\u003e\n\u003cli\u003eGround relay is included for use with Victron Multi or Quattro inverter\/chargers when the installation requires it.\u003c\/li\u003e\n\u003cli\u003eMeasures 460 x 214 x 110 mm and weighs 11.5 kg, so mounting location and support should be planned before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eThis autotransformer is part of the vessel’s AC distribution system and should be installed where it can be wired, protected, and serviced correctly. Because it handles 120\/240 VAC power and neutral bonding behavior can affect safety devices such as GFCI protection, installation should be handled by a qualified marine electrician familiar with ABYC-style AC system practices and Victron inverter\/charger layouts.\u003c\/p\u003e\u003cp\u003eThe IP21 enclosure is intended for a sheltered location. A dry electrical locker, technical space, or protected power equipment area is a better fit than an engine-room location exposed to spray, dripping water, or heavy salt air.\u003c\/p\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eThis model suits boats with 120\/240 VAC split-phase architecture where load balancing or voltage conversion is required. It can be used with shore power, generator output, or inverter\/charger systems when the overall system design calls for an autotransformer rather than separate stacked inverter operation.\u003c\/p\u003e\u003cp\u003eOwners upgrading a marine AC system should confirm the vessel’s service size, breaker arrangement, neutral and grounding plan, inverter\/charger model, and available mounting space before purchasing. The 50A rating is the key fit point for this version.\u003c\/p\u003e\u003ch6\u003eUse cases on board\u003c\/h6\u003e\u003cp\u003eOn larger cruising boats, sportfishing boats, and liveaboard systems, uneven 120V loads can make one leg of a split-phase supply work harder than the other. This autotransformer helps manage that kind of imbalance in systems where 240V supply is available but onboard loads are spread across two 120V legs.\u003c\/p\u003e\u003cp\u003eIt is also a useful component when a vessel’s AC design needs 120V from 240V, 240V from 120V, or a balanced split-phase arrangement tied into a compatible Victron power system.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":52715829657781,"sku":"QBP712431","price":451.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1340852_qbp712431.png?v=1781720217"}],"url":"https:\/\/www.qualityboatparts.com\/collections\/marine-isolation-transformers.oembed?page=2","provider":"Quality Boat Parts","version":"1.0","type":"link"}