{"title":"Isolation Transformers","description":null,"products":[{"product_id":"isolation-transformer-1-1-15kva-230v","title":"Isolation Transformer - 1:1 - 15kVA - 230v","description":"This Energy Solutions marine isolation transformer provides galvanic isolation between the marina shore supply and your vessel, protecting the hull, anodes and underwater fittings from the accelerated corrosion that occurs when the onboard AC earth is bonded to the sea. The dual wound design induces power onto a fully isolated secondary winding, with a screen between the primary and secondary windings rated to carry twice the full load current of the transformer, exceeding the requirements of ABYC E-8.20.1. Every transformer is built to comply with Lloyds Register (LRS) requirements and is protected with a UL approved vacuum impregnated polyester varnish.\n\nHoused in an air cooled, powder coated steel enclosure, the unit includes a soft start to prevent the shore breaker tripping on connection, an input isolator and a door mounted output circuit breaker, with a 230V AC cooling fan. The output can be configured as 0-230V 3 wire Euro or 120-0-120V 4 wire USA to suit the vessel switchboard. Energy Solutions has designed and built marine transformers in the UK since 1996 and can also supply single phase, split phase and three phase custom units to order.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272570188116,"sku":"ES-1001-8-C","price":3336.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/ea78fc7b-38c5-43a0-85f9-1a405bc800c9.png?v=1783591163"},{"product_id":"victron-isolation-transformer-2-0kva-8a","title":"Victron Isolation Transformer 2000W (2kVA)","description":"\u003cp\u003eThe Victron Isolation Transformer 2000W is a professional marine transformer that completely breaks the electrical connection between shore power and your vessel. Shore power feeds the primary winding and the boat is connected to the isolated secondary, so there is no direct continuity between the two. This eliminates stray current and galvanic corrosion, protecting your shaft, propeller, sacrificial anodes and other underwater metals, and it removes the need for a separate galvanic isolator or polarity alarm.\u003c\/p\u003e\u003cp\u003eBecause the boat is fully isolated from the shore earth, you can safely connect to almost any shore supply anywhere in the world. The unit works with 115V or 230V systems and can also convert between them, so it doubles as a step-up or step-down transformer (115V to 120V, 230V to 240V, 115V to 240V or 230V to 120V). A 1:1.05 winding ratio raises the output by 5% to compensate for the voltage drop that is common in busy marinas.\u003c\/p\u003e\u003cp\u003eToroidal winding technology keeps the transformer quiet, efficient and compact, while a built-in soft start limits inrush current so the shore breaker does not trip when you plug in. The rugged aluminium enclosure carries an IP21 rating and, like all core Victron products, the transformer is backed by a five year warranty.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272570384724,"sku":"ITR040202041","price":459.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553400832340.jpg?v=1782995872"},{"product_id":"victron-isolation-transformer-3-6kva-16a","title":"Victron Isolation Transformer 3600W (3.6kVA)","description":"\u003cp\u003eThe Victron Isolation Transformer 3600W is a professional marine transformer that fully breaks the electrical connection between shore power and your vessel. Shore power feeds the primary winding while the boat runs from the isolated secondary, so there is no direct continuity between the two. This eliminates stray current and galvanic corrosion, protecting your shaft, propeller, sacrificial anodes and other underwater metals, and it removes the need for a separate galvanic isolator or polarity alarm.\u003c\/p\u003e\u003cp\u003eWith the boat fully isolated from the shore earth, you can safely connect to almost any shore supply anywhere in the world. The transformer works on 115V or 230V systems and can convert between them, acting as a step-up or step-down transformer (115V to 120V, 230V to 240V, 115V to 240V or 230V to 120V). Its 1:1.05 winding ratio raises the output by 5% to compensate for the voltage drop common on long marina supply cables.\u003c\/p\u003e\u003cp\u003eToroidal winding technology keeps the unit quiet and efficient, and a built-in soft start limits inrush current so the shore breaker does not trip when you plug in. The rugged aluminium enclosure is rated IP21 and, like all core Victron products, the transformer carries a five year warranty.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272570483028,"sku":"ITR040362041","price":691.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553400897876.jpg?v=1782995875"},{"product_id":"victron-auto-transformer-120-240v-input-output-32a","title":"Victron Autotransformer 120\/240V 32A","description":"\u003cp\u003eThe Victron Autotransformer 120\/240V 32A converts between 120V and 240V and balances the split-phase output of large inverter\/chargers and generators. As a step-up transformer it doubles a 120V supply to a 120\/240V split-phase output, and as a step-down transformer it takes 240V down to 120V, giving marine and off-grid systems the flexibility to adapt to whatever shore or generator configuration they meet.\u003c\/p\u003e\u003cp\u003eIts most valuable role is balancing an unbalanced split-phase (120\/0\/120) supply. When 120V loads are spread unevenly across the two legs, one leg can reach its limit while the other still has spare capacity, so the supply is never fully used. Wired to create a new neutral, the autotransformer absorbs the imbalance through its windings so both 120V legs of the source share the load, unlocking the full power of a generator or two stacked inverters. It can also balance the output of a single 240V inverter feeding a split-phase system.\u003c\/p\u003e\u003cp\u003eA ground relay is built into the enclosure for use with a Victron MultiPlus or Quattro, creating the neutral-to-earth bond that a GFCI needs when the inverter\/charger runs in inverter mode. The unit is over-temperature protected: if it overheats the internal circuit breaker trips and is reset manually. Rated to 32A pass-through current in a toroidal design, it does not provide galvanic isolation.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272648569172,"sku":"ITR000100001","price":522.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553407844692.jpg?v=1782995880"},{"product_id":"isolation-transformer-1-1-24kva-230v","title":"Isolation Transformer - 1:1 - 24kVA - 230v","description":"This Energy Solutions marine isolation transformer provides galvanic isolation between the marina shore supply and your vessel, protecting the hull, anodes and underwater fittings from the accelerated corrosion that occurs when the onboard AC earth is bonded to the sea. The dual wound design induces power onto a fully isolated secondary winding, with a screen between the primary and secondary windings rated to carry twice the full load current of the transformer, exceeding the requirements of ABYC E-8.20.1. Every transformer is built to comply with Lloyds Register (LRS) requirements and is protected with a UL approved vacuum impregnated polyester varnish.\n\nHoused in an air cooled, powder coated steel S2 enclosure, the unit includes a soft start to prevent the shore breaker tripping on connection, an input isolator and an output circuit breaker. Configured with a 240V input for European specification vessels, the output can be set as 0-230V 3 wire Euro or 120-0-120V 4 wire USA to suit the switchboard. Energy Solutions has designed and built marine transformers in the UK since 1996 and can also supply single phase, split phase and three phase custom units to order.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272728916308,"sku":"ES059-EUR","price":4332.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/810f1e44-20de-40fb-aae7-738b3329282b.webp?v=1783591162"},{"product_id":"victron-auto-transformer-120-240v-input-output-100a","title":"Victron Autotransformer 120\/240V 100A","description":"\u003cp\u003eThe Victron Autotransformer 120\/240V 100A converts between 120V and 240V and balances the split-phase output of large inverter\/chargers and generators. As a step-up transformer it doubles a 120V supply to a 120\/240V split-phase output, and as a step-down transformer it takes 240V down to 120V, giving marine and off-grid systems the flexibility to adapt to whatever shore or generator configuration they meet. This 100A model shares the same transformer winding as the 32A version but allows far more current to pass straight through, suiting larger installations.\u003c\/p\u003e\u003cp\u003eIts most valuable role is balancing an unbalanced split-phase (120\/0\/120) supply. When 120V loads are spread unevenly across the two legs, one leg can reach its limit while the other still has spare capacity, so the supply is never fully used. Wired to create a new neutral, the autotransformer absorbs the imbalance through its windings so both 120V legs of the source share the load, unlocking the full power of a generator or two stacked inverters. It can also balance the output of a single 240V inverter feeding a split-phase system.\u003c\/p\u003e\u003cp\u003eA ground relay is built into the enclosure for use with a Victron MultiPlus or Quattro, creating the neutral-to-earth bond that a GFCI needs when the inverter\/charger runs in inverter mode. The unit is over-temperature protected: if it overheats the internal circuit breaker trips and is reset manually. Rated to 100A pass-through current in a toroidal design, it does not provide galvanic isolation.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272729014612,"sku":"ITR000100101","price":589.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553417576788.jpg?v=1782995882"},{"product_id":"victron-isolation-transformer-16a-3600va-115-230v-with-auto-switching","title":"Victron Isolation Transformer 3600W Auto (115\/230V)","description":"\u003cp\u003eThe Victron Isolation Transformer 3600W Auto is a professional marine transformer that fully breaks the electrical connection between shore power and your vessel, with the added convenience of automatic input voltage detection. Shore power feeds the primary winding while the boat runs from the isolated secondary, so there is no direct continuity between the two. This eliminates stray current and galvanic corrosion, protecting your shaft, propeller, sacrificial anodes and other underwater metals, and it removes the need for a separate galvanic isolator or polarity alarm.\u003c\/p\u003e\u003cp\u003eThe Auto model senses the incoming supply and switches itself between 115V and 230V input modes: it selects 115V for a supply between 88 and 130V and 230V for a supply between 185 and 250V. This makes it ideal for vessels that cruise between regions with different mains voltages, since no manual reconfiguration is needed when you change dock. A 1:1.05 winding ratio raises the output by 5% to compensate for the voltage drop common on long marina supply cables.\u003c\/p\u003e\u003cp\u003eToroidal winding technology keeps the unit quiet and efficient, and a built-in soft start limits inrush current so the shore breaker does not trip when you plug in. LED indicators show the operating mode, the rugged aluminium enclosure is rated IP21, and like all core Victron products the transformer carries a five year warranty.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272738517332,"sku":"ITR050362042","price":730.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553419116884.jpg?v=1782995877"},{"product_id":"isolation-transformer-1-1-24kva-120-240v","title":"Isolation Transformer - 1:1 - 24kVA - 120\/240v","description":"This Energy Solutions marine isolation transformer provides galvanic isolation between the marina shore supply and your vessel, protecting the hull, anodes and underwater fittings from the accelerated corrosion that occurs when the onboard AC earth is bonded to the sea. The dual wound design induces power onto a fully isolated secondary winding, with a screen between the primary and secondary windings rated to carry twice the full load current of the transformer, exceeding the requirements of ABYC E-8.20.1. Every transformer is built to comply with Lloyds Register (LRS) requirements and is protected with a UL approved vacuum impregnated polyester varnish.\n\nHoused in an air cooled, powder coated steel S2 enclosure, the unit includes a soft start to prevent the shore breaker tripping on connection, an input isolator and an output circuit breaker. Configured with a 240\/120V input for USA specification vessels, the output can be set as 0-230V 3 wire Euro or 120-0-120V 4 wire USA to suit the switchboard. Energy Solutions has designed and built marine transformers in the UK since 1996 and can also supply single phase, split phase and three phase custom units to order.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272742056276,"sku":"ES059-USA","price":4332.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/810f1e44-20de-40fb-aae7-738b3329282b_04dba948-4b09-4b2c-a40c-98b643c38123.webp?v=1783591162"},{"product_id":"isoboost3-12-kva-50a-hull-isolation-transformer-us-spec","title":"IsoBoost3 12 kVA\/50A hull isolation transformer (US Spec)","description":"The Energy Solutions IsoBoost3 is a hull isolation transformer that protects your vessel from galvanic corrosion while safely delivering shore power to the onboard electrical system. It breaks the earth connection on the incoming shore supply and induces power onto a fully isolated secondary winding, so there is no direct electrical connection between the dock cable and the boat wiring. Built as a double wound transformer to BS EN 60076-1, it carries a protective screen between the input and output windings and soft starts automatically to stop inrush current tripping the marina supply breaker.\n\nA boost function manages the volt drop found on long or heavily loaded shore lines and copes with lower or 208V (phase to phase) supplies. When the input is in range the unit runs in 1:1 mode so the output matches the input, and if the voltage falls below the boost threshold it automatically switches into boost mode to raise the output, returning to 1:1 when the supply recovers. A built in digital power meter with Modbus communication monitors voltage, frequency, current, power factor, energy use, harmonics and alarms, with an optional remote display, and the IsoBoost3 is a fit and form replacement for Charles Industries IsoBoost transformers.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272789209428,"sku":"IB3-12KVA-208\/240-US","price":6060.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/08bc4105-b3b1-47ac-a5b8-7a84ce8357b0.png?v=1783591148"},{"product_id":"isoboost3-15-kva-63a-hull-isolation-transformer-us-spec","title":"IsoBoost3 15 kVA\/63A hull isolation transformer (US Spec)","description":"The Energy Solutions IsoBoost3 is a hull isolation transformer that protects your vessel from galvanic corrosion while safely delivering shore power to the onboard electrical system. It breaks the earth connection on the incoming shore supply and induces power onto a fully isolated secondary winding, so there is no direct electrical connection between the dock cable and the boat wiring. Built as a double wound transformer to BS EN 60076-1, it carries a protective screen between the input and output windings and soft starts automatically to stop inrush current tripping the marina supply breaker.\n\nA boost function manages the volt drop found on long or heavily loaded shore lines and copes with lower or 208V (phase to phase) supplies. When the input is in range the unit runs in 1:1 mode so the output matches the input, and if the voltage falls below the boost threshold it automatically switches into boost mode to raise the output, returning to 1:1 when the supply recovers. A built in digital power meter with Modbus communication monitors voltage, frequency, current, power factor, energy use, harmonics and alarms, with an optional remote display, and the IsoBoost3 is a fit and form replacement for Charles Industries IsoBoost transformers.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272789307732,"sku":"IB3-15KVA-208\/240-US","price":7230.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/65bfd19c-176b-4b16-a1ca-56de004a8bb0.png?v=1783591157"},{"product_id":"isoboost3-15-kva-63a-hull-isolation-transformer-euro-spec","title":"IsoBoost3 15 kVA\/63A hull isolation transformer (Euro Spec)","description":"The Energy Solutions IsoBoost3 is a hull isolation transformer that protects your vessel from galvanic corrosion while safely delivering shore power to the onboard electrical system. It breaks the earth connection on the incoming shore supply and induces power onto a fully isolated secondary winding, so there is no direct electrical connection between the dock cable and the boat wiring. Built as a double wound transformer to BS EN 60076-1, it carries a protective screen between the input and output windings and soft starts automatically to stop inrush current tripping the marina supply breaker.\n\nA boost function manages the volt drop found on long or heavily loaded shore lines. When the input is in range the unit runs in 1:1 mode so the output matches the input, and if the voltage falls below the boost threshold it automatically switches into boost mode to raise the output, returning to 1:1 when the supply recovers. A built in digital power meter with Modbus communication monitors voltage, frequency, current, power factor, energy use, harmonics and alarms, with an optional remote display, and the IsoBoost3 is a fit and form replacement for Charles Industries IsoBoost transformers.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272789406036,"sku":"IB3-15KVA-210\/230-EU","price":7254.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/08bc4105-b3b1-47ac-a5b8-7a84ce8357b0_92dd61cd-394e-466e-9f2c-b900c56efd97.png?v=1783591149"},{"product_id":"isoboost3-24-kva-100a-hull-isolation-transformer-us-spec","title":"IsoBoost3 24 kVA\/100A hull isolation transformer (US Spec)","description":"The Energy Solutions IsoBoost3 is a hull isolation transformer that protects your vessel from galvanic corrosion while safely delivering shore power to the onboard electrical system. It breaks the earth connection on the incoming shore supply and induces power onto a fully isolated secondary winding, so there is no direct electrical connection between the dock cable and the boat wiring. Built as a double wound transformer to BS EN 60076-1, it carries a protective screen between the input and output windings and soft starts automatically to stop inrush current tripping the marina supply breaker.\n\nA boost function manages the volt drop found on long or heavily loaded shore lines and copes with lower or 208V (phase to phase) supplies. When the input is in range the unit runs in 1:1 mode so the output matches the input, and if the voltage falls below the boost threshold it automatically switches into boost mode to raise the output, returning to 1:1 when the supply recovers. A built in digital power meter with Modbus communication monitors voltage, frequency, current, power factor, energy use, harmonics and alarms, with an optional remote display, and the IsoBoost3 is a fit and form replacement for Charles Industries IsoBoost transformers.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272790126932,"sku":"IB3-24KVA-208\/240-US","price":11376.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/384ab0d2-eb26-4aec-b95b-fe86a3a9955a.png?v=1783591151"},{"product_id":"isoboost3-7-3-kva-32a-hull-isolation-transformer-euro-spec","title":"IsoBoost3 7.3 kVA\/32A hull isolation transformer (Euro Spec)","description":"The Energy Solutions IsoBoost3 is a hull isolation transformer that protects your vessel from galvanic corrosion while safely delivering shore power to the onboard electrical system. It breaks the earth connection on the incoming shore supply and induces power onto a fully isolated secondary winding, so there is no direct electrical connection between the dock cable and the boat wiring. Built as a double wound transformer to BS EN 60076-1, it carries a protective screen between the input and output windings and soft starts automatically to stop inrush current tripping the marina supply breaker.\n\nA boost function manages the volt drop found on long or heavily loaded shore lines. When the input is in range the unit runs in 1:1 mode so the output matches the input, and if the voltage falls below the boost threshold it automatically switches into boost mode to raise the output, returning to 1:1 when the supply recovers. A built in digital power meter with Modbus communication monitors voltage, frequency, current, power factor, energy use, harmonics and alarms, with an optional remote display, and the IsoBoost3 is a fit and form replacement for Charles Industries IsoBoost transformers.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272794648916,"sku":"IB3-07.3KVA-210\/230-EU","price":6168.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/08bc4105-b3b1-47ac-a5b8-7a84ce8357b0_4f71ff81-c5e4-4620-8bc4-714caad885ab.png?v=1783591158"},{"product_id":"isoboost3-7-kva-32a-hull-isolation-transformer-us-euro","title":"IsoBoost3 7 kVA\/32A hull isolation transformer (US\/Euro)","description":"The Energy Solutions IsoBoost3 is a hull isolation transformer that protects your vessel from galvanic corrosion while safely delivering shore power to the onboard electrical system. It breaks the earth connection on the incoming shore supply and induces power onto a fully isolated secondary winding, so there is no direct electrical connection between the dock cable and the boat wiring. Built as a double wound transformer to BS EN 60076-1, it carries a protective screen between the input and output windings and soft starts automatically to stop inrush current tripping the marina supply breaker.\n\nThis international version auto-selects between 120V and 240V supplies with a 220V boost tap, so a single unit can be used across different shore standards worldwide. When the input is in range it runs in 1:1 mode so the output matches the input, and if the voltage falls below the boost threshold it automatically switches into boost mode to raise the output, returning to 1:1 when the supply recovers. A built in digital power meter with Modbus communication monitors voltage, frequency, current, power factor, energy use, harmonics and alarms, with an optional remote display, and the IsoBoost3 is a fit and form replacement for Charles Industries IsoBoost transformers.","brand":"Energy Solutions","offers":[{"title":"Default Title","offer_id":56272796025172,"sku":"IB3-07KVA-120\/240-INT","price":7386.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/08bc4105-b3b1-47ac-a5b8-7a84ce8357b0_0a62be71-8263-4ba8-8d90-75806f6b2371.png?v=1783591149"},{"product_id":"victron-isolation-transformer-2-5kva-11a","title":"Victron Isolation Transformer 2500W (2.5kVA)","description":"\u003cp\u003eThe Victron Isolation Transformer 2500W is a professional marine transformer that fully breaks the electrical connection between shore power and your vessel. Shore power feeds the primary winding while the boat runs from the isolated secondary, so there is no direct continuity between the two. This eliminates stray current and galvanic corrosion, protecting your shaft, propeller, sacrificial anodes and other underwater metals, and it removes the need for a separate galvanic isolator or polarity alarm.\u003c\/p\u003e\u003cp\u003eWith the boat fully isolated from the shore earth, you can safely connect to almost any shore supply anywhere in the world. The transformer works on 115V or 230V systems and can convert between them, acting as a step-up or step-down transformer (115V to 120V, 230V to 240V, 115V to 240V or 230V to 120V). Its 1:1.05 winding ratio raises the output by 5% to compensate for the voltage drop common on long marina supply cables.\u003c\/p\u003e\u003cp\u003eToroidal winding technology keeps the unit quiet, efficient and relatively light, and a built-in soft start limits inrush current so the shore breaker does not trip when you plug in. The aluminium enclosure is rated IP21 and, like all core Victron products, the transformer carries a five year warranty.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272835641684,"sku":"ITR040252043","price":414.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553453916500.jpg?v=1782995873"},{"product_id":"victron-isolation-transformer-2-5kva-11a-1","title":"Victron Isolation Transformer 4500W Auto (115\/230V)","description":"\u003cp\u003eThe Victron Isolation Transformer 4500W Auto is a professional marine transformer that fully breaks the electrical connection between shore power and your vessel, with the convenience of automatic input voltage detection. Shore power feeds the primary winding while the boat runs from the isolated secondary, so there is no direct continuity between the two. This eliminates stray current and galvanic corrosion, protecting your shaft, propeller, sacrificial anodes and other underwater metals, and it removes the need for a separate galvanic isolator or polarity alarm.\u003c\/p\u003e\u003cp\u003eThe Auto model senses the incoming supply and switches itself between 115V and 230V input modes: it selects 115V for a supply between 88 and 130V and 230V for a supply between 185 and 250V. This makes it ideal for vessels that cruise between regions with different mains voltages, since no manual reconfiguration is needed when you change dock. At 4.5 kVA it delivers up to 19A at 230V (38A at 115V), and a 1:1.05 winding ratio raises the output by 5% to compensate for the voltage drop common on long marina supply cables.\u003c\/p\u003e\u003cp\u003eToroidal winding technology keeps the unit quiet and efficient, and a built-in soft start limits inrush current so the shore breaker does not trip when you plug in. LED indicators show the operating mode, the rugged aluminium enclosure is rated IP21, and like all core Victron products the transformer carries a five year warranty.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272836133204,"sku":"ITR050452042","price":624.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553454014804.jpg?v=1782995878"},{"product_id":"victron-isolation-transformer-8kva-35a","title":"Victron Isolation Transformer 8000W (8kVA)","description":"\u003cp\u003eThe Victron Isolation Transformer 8000W is a high-power professional marine transformer that fully breaks the electrical connection between shore power and your vessel. Shore power feeds the primary winding while the boat runs from the isolated secondary, so there is no direct continuity between the two. This eliminates stray current and galvanic corrosion, protecting your shaft, propeller, sacrificial anodes and other underwater metals, and it removes the need for a separate galvanic isolator or polarity alarm.\u003c\/p\u003e\u003cp\u003eWith the boat fully isolated from the shore earth, you can safely connect to shore supplies without carrying the shore ground onto the vessel, so a GFCI on the output works correctly for onboard electrical safety. This model is a dedicated 230V unit with a 240V output, and its 1:1.05 winding ratio raises the output by 5% to compensate for the voltage drop common on long marina supply cables. At 8 kVA it delivers up to 35A continuously, making it suited to larger yachts and commercial vessels with substantial shore-power demand.\u003c\/p\u003e\u003cp\u003eToroidal winding technology keeps the unit quiet and efficient, and a built-in soft start limits inrush current so the shore breaker does not trip when you plug in. The rugged aluminium enclosure is rated IP21 and, like all core Victron products, the transformer carries a five year warranty.\u003c\/p\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":56272836395348,"sku":"ITR000802002","price":849.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/victron-15553454113108.jpg?v=1782995870"},{"product_id":"mastervolt-soft-start-for-mastervolt-isolation-transformer-13kw","title":"Mastervolt Soft Start for Mastervolt Isolation Transformer (13kW)","description":"\u003cp\u003eThe Soft Start 13 kW is an automatic switch that suppresses the inrush current drawn by an isolation transformer at the moment it connects to the grid. By limiting this initial surge it prevents the shore power fuse or circuit breaker from tripping when the transformer is switched on.\u003c\/p\u003e\n\u003cp\u003eIt is rated for 230 V systems and suits transformers with a power demand between 2500 and 13,000 W, making it a practical accessory for larger isolation transformer installations.\u003c\/p\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":56282446004564,"sku":"55003300","price":415.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/M55003300.jpg?v=1782766780"},{"product_id":"mastervolt-mass-gi-3-5-isolation-transformer-3500va-230v","title":"Mastervolt Mass Gi 3.5 Isolation Transformer (3500VA \/ 230V)","description":"\u003cp\u003eThe Mass GI 3.5 provides a galvanic electrical isolation between shore power and the on board power, preventing electrical corrosion of metal parts while keeping the vessel earthed. It is a safe connection between vessel and shore installation and an essential part of any onboard electrical system.\u003c\/p\u003e\n\u003cp\u003eBuilt with the latest high-frequency switching technology, the Mass GI 3.5 is 75% lighter and 60% smaller than low-frequency transformers. An integrated Soft Start handles peak loads when connecting to the grid, while LED lights on the casing indicate load and overload. The unit can be remote controlled and is MasterBus compatible.\u003c\/p\u003e\n\u003cp\u003eIts robust aluminium casing allows fitting in any position on wall or floor. No rubber mountings are necessary because the unit does not vibrate or hum, and professional connections with strain relief cable glands ensure a reliable installation. Units can be parallel coupled for higher capacity: two 16 A\/3.5 kW units give 32 A\/7 kW, and four units give 64 A\/14 kW.\u003c\/p\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":56282450166100,"sku":"88000355","price":1400.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/M88000355.jpg?v=1782766754"},{"product_id":"mastervolt-mass-gi-7-isolation-transformer-7000va-230v","title":"Mastervolt Mass Gi 7 Isolation Transformer (7000VA \/ 230V)","description":"\u003cp\u003eThe Mass GI 7 is a 7000 VA (32 A) galvanic isolation transformer that creates a safe, fully isolated connection between your vessel and the shore supply. By galvanically separating the shore earth from the onboard system, it prevents electrolytic (stray-current) corrosion of underwater metal parts while keeping the installation safely earthed.\u003c\/p\u003e\n\u003cp\u003eIt uses Mastervolt's high-frequency switching technology, making it around 75% lighter and 60% smaller than a conventional low-frequency transformer. An integrated Soft Start handles inrush peaks when connecting to the grid, and LED indicators on the casing show load and overload status. The unit accepts a wide 90 to 255 V input across 45 to 65 Hz, so it works on shore supplies worldwide.\u003c\/p\u003e\n\u003cp\u003eThe robust aluminium case can be mounted in any position on a wall or floor without rubber mounts, as the unit does not hum or vibrate. For higher capacity, units can be coupled in parallel: two 16 A\/3.5 kW units give 32 A\/7 kW and four units give 64 A\/14 kW. The Mass GI 7 is MasterBus compatible and can be remote controlled.\u003c\/p\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":56282450264404,"sku":"88000705","price":2500.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9702\/3060\/files\/M88000705.jpg?v=1782766755"}],"url":"https:\/\/hme.sprechen.dev\/collections\/isolation-transformers.oembed","provider":"Hudson Marine Electronics","version":"1.0","type":"link"}