Victron Energy Victron MultiPlus Compact - C 12V/1200VA/50-16 True Sine Wave Inverter | 50A Adaptive Charger | 16A Transfer Switch The Victron MultiPlus Compact - C 12V/1200VA/50-16 is a versatile and compact inverter/charger designed for reliable power solutions. This unit seamlessly combines a powerful true sine wave inverter, an advanced adaptive battery charger, and a high-speed AC transfer switch into a single enclosure. It is engineered to provide uninterrupted AC power, making it an ideal choice for off-grid systems, marine applications, recreational vehicles, and backup power setups in the UK. With its intelligent power management features like PowerControl and PowerAssist, the MultiPlus Compact optimises energy usage and prevents overloading of limited AC sources, ensuring your critical loads remain powered. Its robust design and comprehensive protection functions offer peace of mind for various demanding environments. MODEL NOTE: This MultiPlus Compact model delivers 1200VA continuous output from a 12V DC input, with a 50A battery charger and 16A transfer switch. Key Features ▶ True Sine Wave Inverter — Delivers clean, stable AC power suitable for sensitive electronics. ▶ Adaptive 4-Stage Battery Charger — Optimises charging for various battery types, extending battery life. ▶ High-Speed AC Transfer Switch — Ensures uninterrupted power supply (UPS function) in less than 20 milliseconds during grid failures. ▶ PowerControl Feature — Manages limited generator or shore-side power by adjusting charge current to prevent overloads. ▶ PowerAssist Functionality — Boosts the capacity of limited AC sources by supplementing with battery power during peak loads. ▶ Parallel & Three-Phase Operation — Allows up to six units to operate in parallel for increased power output, or three units for three-phase systems. ▶ Programmable Relay — Provides flexible control for alarms or generator start/stop functions. ▶ Battery Temperature Sensor — Enhances charging accuracy by compensating for battery temperature variations. Technical Specifications Parameter Value Model MultiPlus Compact - C 12V/1200VA/50-16 SKU / MPN CMP121220000 Input Voltage (DC) 12V Continuous Output Power (25°C) 1200 VA Peak Power 2400 W Max Efficiency 93% Zero Load Power 8 W Charge Current (House Battery) 50 A Charge Current (Starter Battery) 4 A Transfer Switch 16 A Protection Category IP21 Dimensions (H x W x D) 375 x 214 x 110 mm Weight 10 kg Operating & Power Guidance The MultiPlus Compact is designed for flexible power management. Its PowerControl feature allows you to set a maximum current from a generator or shore connection. The unit then intelligently adjusts its battery charging to prevent overloading the AC input, ensuring stable operation even with limited power sources. Going a step further, PowerAssist boosts the capacity of your AC source. If a temporary peak load exceeds the input limit, the MultiPlus will instantly draw power from the battery to supplement the AC supply. Once the load reduces, any surplus power is used to recharge the battery, optimising energy flow. For larger power requirements, up to six MultiPlus units can be connected in parallel to achieve higher output. Additionally, three identical units can be configured for three-phase output, with up to six sets of three units operating in parallel for substantial power systems. This inverter/charger is also compatible with solar energy systems, functioning effectively in both off-grid and grid-connected PV installations. It supports loss of mains detection, making it a versatile component for renewable energy integration. Typical Applications Application Description Off-Grid Systems Provides reliable AC power from battery banks for remote cabins, workshops, or homes without grid access. Marine & RV Ideal for boats, yachts, and motorhomes, offering seamless power conversion and battery charging from shore power or generator. Backup Power Acts as an uninterruptible power supply (UPS) for critical loads during grid outages, ensuring continuous operation. Small Business & Workshops Powers tools, lighting, and office equipment, especially where grid power is unstable or unavailable. Built-In Protection Functions The Victron MultiPlus Compact is equipped with multiple protection features to ensure safe and reliable operation. These include: Output short circuit protection • Overload protection • Battery voltage too high/low protection • High temperature protection • 120Vac on inverter output protection • Input voltage ripple too high protection. The unit also carries an IP21 protection category rating. Common Questions What is the primary function of the Victron MultiPlus Compact? It is a multi-functional device that combines a true sine wave inverter, an adaptive battery charger, and a high-speed AC transfer switch into one compact unit. It provides AC power from batteries, charges batteries from AC sources, and ensures seamless power transfer. Can this unit be expanded for more power? Yes, the MultiPlus Compact supports parallel operation, allowing up to six units to be connected together to achieve higher power output. It also supports three-phase configurations. What types of batteries are compatible with the charger? The adaptive 4-stage charger is compatible with various battery chemistries, including lead-acid, AGM, gel, and lithium batteries, through configurable voltage setpoints. What is the purpose of PowerAssist? PowerAssist is a feature that boosts the capacity of a limited AC source (like a small generator or shore power) by drawing additional power from the battery during peak load demands. This prevents overloading and allows for smaller AC sources to be used. Installation Notes Always ensure installation is carried out by a qualified professional in accordance with local electrical regulations and the manufacturer's instructions. Proper ventilation is crucial for optimal performance and longevity of the unit. Ensure adequate airflow around the MultiPlus Compact. Verify correct DC input voltage and polarity before connecting to batteries. Ensure all AC and DC connections are securely tightened to prevent loose connections and potential hazards. Before You Buy Confirm that the 12V DC input voltage matches your battery bank voltage. Assess your total AC load requirements to ensure the 1200VA continuous output and 2400W peak power are sufficient for your needs. Consider the maximum charge current (50A for house battery, 4A for starter battery) in relation to your battery bank size and charging speed requirements. Consult the official Victron Energy documentation for detailed compatibility with other system components, such as solar charge controllers and monitoring devices. All specifications are subject to change by the manufacturer. Please verify details with the latest product datasheet before purchase. Victron Energy offers a 5-year standard warranty on power products.
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