Victron Energy MultiPlus Series VICTRON MultiPlus 3000VA 12V Inverter/Charger Model: 12/3000/120-16 230V | SKU: VMPLUS-3000-120 | Pure Sine Wave & Adaptive Charging The VICTRON MultiPlus 3000VA 12V Inverter/Charger is a comprehensive power solution designed for reliable energy independence. This robust unit integrates a powerful pure sine wave inverter, an advanced 120A adaptive battery charger, and a high-speed 16A AC transfer switch into a single, compact enclosure. It delivers stable 230V AC power from your 12V battery bank, making it ideal for running sensitive electronics and essential appliances in various applications, from off-grid systems to mobile and backup power setups. Engineered for efficiency and versatility, the MultiPlus ensures uninterrupted power with its rapid UPS function, automatically switching to inverter mode in under 20 milliseconds during grid or shore power interruptions. Its intelligent power management features, such as PowerControl and PowerAssist, optimise energy usage and prevent overloads, providing peace of mind for homeowners, off-grid users, and mobile professionals across the UK. INTEGRATED SOLUTION: Combines a 3000VA pure sine wave inverter, 120A adaptive charger, and 16A transfer switch. Key Features ▶ Pure Sine Wave Inverter — Delivers clean, stable 230V AC power for all sensitive electronics. ▶ Adaptive 120A Battery Charger — Optimises charging for 12V batteries with 4-stage adaptive technology. ▶ High-Speed AC Transfer Switch — Provides uninterrupted power (UPS function) with ▶ PowerControl & PowerAssist — Manages limited AC input and boosts generator/shore power capacity. ▶ Parallel & 3-Phase Capability — Connect up to six identical units for increased power output or three-phase systems. ▶ Remote Monitoring Ready — Compatible with Victron GX devices for global monitoring via VRM portal. ▶ Comprehensive Protection — Built-in safeguards against common electrical hazards. Technical Specifications Parameter Value Input Voltage Range (DC) 9.5 - 17 V Output Voltage & Frequency 230 VAC ± 2% @ 50Hz ± 0.1% Continuous Output Power (25°C) 3000 VA (2400W) Peak Power 6000W Maximum Efficiency 93% Zero-Load Power 20W AC Input Voltage Range 187 - 265 VAC Charge Current (House Battery) 120A Charge Current (Starter Battery) 4A Transfer Switch 16A Operating Temperature -40 to +65 °C Protection Category IP 21 Weight 18kg Dimensions (H x W x D) 362 x 258 x 218 mm Charging & Output Modes The MultiPlus offers sophisticated control over both battery charging and AC power output, ensuring optimal performance and battery longevity. Mode/Feature Description Adaptive 4-Stage Charging Utilises Bulk, Absorption, Float, and Storage stages, adjusting to battery usage for optimal health. Storage Mode Reduces float voltage to minimise gassing and corrosion during periods of inactivity, with weekly equalisation. PowerControl Limits AC input current to prevent overloading generators or shore power, prioritising loads over charging. PowerAssist Supplements limited AC sources with battery power during peak demand, then recharges batteries when demand drops. UPS Functionality Ensures continuous AC supply by automatically switching to inverter mode upon grid failure in less than 20ms. Typical Applications Application Description Off-Grid Systems Provides reliable AC power for remote homes, cabins, and workshops where grid connection is unavailable. Mobile & Marine Power Ideal for RVs, caravans, boats, and yachts, converting battery power to run onboard appliances and electronics. Backup Power Solutions Ensures critical loads remain powered during grid outages, acting as an uninterruptible power supply (UPS). Small Business & Commercial Supports essential equipment in small businesses, offices, or remote sites requiring stable and consistent power. Built-In Protection Functions The Victron MultiPlus 3000VA 12V Inverter/Charger incorporates comprehensive safety features to protect both the unit and your connected system. These include protection against output short circuit • overload • battery over and undervoltage • overheating • reverse 230 VAC on inverter output • and excessively high input voltage ripple. Additional modes like WeakAC and BatterySafe further enhance system resilience and battery care. Common Questions What type of batteries is this MultiPlus compatible with? The MultiPlus 12/3000/120-16 is designed for 12V battery banks and features adaptive charging that can be configured for various battery types, including lead-acid (GEL, AGM, Flooded) and Lithium batteries. Can I monitor and control the MultiPlus remotely? Yes, when paired with a Victron GX device (such as a Cerbo GX), you can monitor and control your MultiPlus and entire system locally or remotely via the internet using the free Victron Remote Management (VRM) app or portal website. What is the purpose of PowerAssist? PowerAssist boosts the capacity of a limited AC source (like a generator or shore power) by drawing additional power from the battery when demand exceeds the AC input limit. This allows you to run larger loads without tripping breakers. Are connecting cables included with the unit? No, connecting cables are not supplied with this inverter/charger. It is essential to use appropriately sized cables for safe and efficient operation. Refer to the user manual for detailed recommendations on cable length and thickness. Installation Notes Installation should be performed by a qualified professional in accordance with local electrical regulations. Ensure adequate ventilation around the unit to prevent overheating, as it features fan-assisted cooling. Always disconnect AC power and battery leads before performing any maintenance or installation work. Refer to the comprehensive Victron user manual for detailed wiring diagrams, safety guidelines, and configuration instructions. Before You Buy Verify your battery bank voltage (12V) and capacity are suitable for a 3000VA inverter and 120A charger. Consider your total power requirements (VA/W) and surge loads to ensure the 3000VA/6000W peak capacity is sufficient. Plan for appropriate cable sizing and protection devices (fuses/breakers) for both DC and AC connections. If remote monitoring is desired, consider purchasing a compatible Victron GX device separately. Always consult the official Victron Energy documentation for the most accurate and up-to-date specifications and installation guidelines. This product comes with a 5-year manufacturer warranty.
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