{"product_id":"victron-autotransformer-120-240vac-32a","title":"Victron Energy -  120\/240VAC - 32A - Autotransformer","description":"\u003ch2\u003eVictron 32A Autotransformer: Step-Up, Step-Down and Split-Phase Balancing\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron Autotransformer 120\/240VAC 32A\u003c\/strong\u003e is an essential component for complex power systems requiring step-up, step-down, or split-phase output balancing. Designed to seamlessly integrate with advanced energy setups, this transformer ensures optimal utilisation of your power supply, whether you are operating from the grid, a generator, or an inverter.\u003c\/p\u003e\n\u003ch3\u003eMaster Split-Phase Output Balancing\u003c\/h3\u003e\n\u003cp\u003eWhile step-up and step-down functions are straightforward, managing a split-phase power supply requires careful load balancing. Consider a 30A 120\/240V split-phase supply powering both 240V and 120V loads. Because 120V loads are rarely distributed evenly across both legs, a severe current imbalance can occur. For instance, a heavy 120V load on one leg could draw 20A, while the other leg draws only 5A. This imbalance significantly restricts the overall capacity of your system, as one leg may overload while the other remains underutilised.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron 32A step up transformer\u003c\/strong\u003e and balancer solves this issue. By connecting the autotransformer to create a new neutral, any load unbalance is absorbed. In the scenario of a 30A supply, the load difference flows through the neutral and the transformer's windings, allowing the system to operate at its full theoretical capacity without bottlenecking a single 120V leg.\u003c\/p\u003e\n\u003ch3\u003eA Smarter Alternative to Stacked Inverters\u003c\/h3\u003e\n\u003cp\u003eWhen designing a 120\/240V split-phase system, using a single 240V inverter paired with a Victron autotransformer is often more efficient than stacking two 120V inverters. If you stack two 3kVA 120V inverters, each leg is strictly limited to its individual capacity (e.g., 25A). If the load on one leg is low, that spare capacity cannot be transferred to the other leg.\u003c\/p\u003e\n\u003cp\u003eBy contrast, pairing a single 5kVA 240V inverter with this \u003cstrong\u003e32A autotransformer\u003c\/strong\u003e supplies balanced load to each 120V leg while allowing spare capacity to cross over. If one leg has minimal load, the other leg can draw significantly more power, up to a maximum unbalance of 32A. This configuration is highly recommended for systems where uneven loads are expected.\u003c\/p\u003e\n\u003ch3\u003eIntegrated Ground Relay for Seamless Integration\u003c\/h3\u003e\n\u003cp\u003eSafety is critical in off-grid and mobile power systems. When operating in inverter mode, the neutral output must be connected to earth to ensure the proper functioning of earth leakage devices like a GFCI or RCD. For split-phase supplies, the neutral must be explicitly grounded. To accommodate this, the Victron autotransformer features a built-in grounding relay that is directly controlled by your 230\/240V Multi or Quattro inverter\/charger, ensuring compliance and safety without complex external wiring.\u003c\/p\u003e\n\u003ch3\u003eRobust Hardware and Thermal Protection\u003c\/h3\u003e\n\u003cp\u003eHoused in a durable, powder-coated metal chassis with integrated rear wall-mounting brackets, this unit is built for longevity. The base features a central cooling fan for active thermal management, alongside M25 cable glands for secure, weather-resistant electrical connections. To protect your system, the unit includes temperature protection that will automatically disconnect the supply in the event of overheating, requiring a manual reset via the front-access circuit breaker once safe temperatures are restored.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible voltage control:\u003c\/strong\u003e Reliable step-up, step-down, and split-phase balancing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh capacity balancing:\u003c\/strong\u003e Absorbs up to 32A of load unbalance to maximise inverter or generator output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated ground relay:\u003c\/strong\u003e Designed for seamless use with Victron Multi and Quattro inverter\/chargers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal protection:\u003c\/strong\u003e Auto-disconnect on overheating with a simple manual reset circuit breaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear diagnostics:\u003c\/strong\u003e Front panel status LEDs for power, ground relay state, and temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Robust powder-coated enclosure with M25 cable entries and a dedicated earth stud.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaximise Your Power System Efficiency\u003c\/h3\u003e\n\u003cp\u003eUpgrade your electrical architecture with robust load balancing and voltage management. Integrate the Victron Autotransformer 120\/240VAC 32A into your setup today to ensure stable, efficient, and safe power distribution across all your critical loads.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"product-specifications\" style=\"width:100%; border-collapse:collapse; border:1px solid #d9d9d9; table-layout:auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eITR000100001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eInput\/Output Voltage\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e120 \/ 240 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eInput Circuit Breaker\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e32 A, Two Pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eFrequency\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eMaximum 240 V Feed Through Current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e32 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eNeutral Current, 30 Min\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e32 A (3800 VA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eNeutral Current, Continuous\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e28 A @ 40 °C \/ 100 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eTransformer Type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eToroidal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eEnclosure\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eElectrical Terminals\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eScrew Terminals 35 mm² \/ AWG 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eProtection Category\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eIP21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eSafety\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eEN 60076\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e12.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDimensions (H x W x D)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e425 x 214 x 110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":52364325323035,"sku":"VIC-ITR000100001","price":709.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/3354\/9083\/files\/VIC-ITR000100001-01.jpg?v=1781658042","url":"https:\/\/www.nbcampingequipment.com.au\/products\/victron-autotransformer-120-240vac-32a","provider":"NB Camping Equipment","version":"1.0","type":"link"}