Victron Energy ● MultiPlus-II Series Victron MultiPlus-II 15000VA 48V Inverter/Charger PMP483150000 | 48V DC to 230V AC | 15000VA Inverter | 200A Charger The Victron MultiPlus-II 48/15000/200-100 230V (PMP483150000) is a high-performance inverter/charger designed for advanced energy systems. This robust unit intelligently combines a powerful 15000VA 48V pure sine wave inverter, a sophisticated 200A adaptive battery charger, and a high-speed 100A AC transfer switch into a single, compact enclosure. Ideal for demanding off-grid, backup power, and hybrid energy systems, the MultiPlus-II provides reliable and efficient power management for residential, marine, commercial, and industrial applications. Its integrated design simplifies installation and reduces cabling, making it a versatile solution for various power needs. UK Compatibility: This model is designed for 230V AC output, suitable for UK and European electrical standards. Key Features ▶ Pure Sine Wave Inverter — Delivers clean 230VAC power, suitable for sensitive electronics and appliances. ▶ Adaptive 200A Battery Charger — Features 4-stage adaptive charge technology for optimal 48V battery health and longevity. ▶ High-Speed AC Transfer Switch — Provides Uninterruptible Power Supply (UPS) functionality with a less than 20ms switchover time. ▶ PowerControl & PowerAssist — Prevents overload of limited AC sources (e.g., generator or shore power) by reducing charge current or boosting with battery power. ▶ Dual AC Outputs — Includes an auxiliary AC-out-2 for non-critical loads that can be disconnected when AC input is unavailable. ▶ Parallel & 3-Phase Capability — Allows for system expansion with up to six identical units for increased power or 3-phase operation. ▶ Remote Monitoring & Control — Compatible with Victron GX devices (e.g., Cerbo GX) for local and remote system management via the VRM portal. ▶ Programmable Relay — Can be configured for various applications, such as generator start/stop. Technical Specifications Parameter Value Inverter Output Power (Cont. @ 25°C) 15000 VA (12000W) Peak Power 27000W DC Input Voltage Range 38 - 66 V AC Output Voltage & Frequency 230 VAC ± 2% @ 50Hz ± 0.1% Maximum Efficiency 95% Charger Current (House Battery) 200A AC Input Voltage Range 187 - 265 VAC (45 - 65 Hz) Transfer Switch Rating 100A Auxiliary Output Yes (50A) Operating Temperature Range -40 to +65 °C Protection Category IP22 Dimensions (H x W x D) 810 x 405 x 217 mm Weight 80 kg Charging & Output Modes Mode Description Inverter Mode Converts 48V DC battery power to 230V AC pure sine wave electricity for connected loads. Charger Mode Provides adaptive 4-stage charging (Bulk, Absorption, Float, Storage) for 48V battery banks from AC input. UPS Function Acts as an Uninterruptible Power Supply, automatically switching to inverter mode in PowerAssist Supplements limited AC input power with battery energy to prevent overloads and support high demand. Typical Applications Application Description Off-Grid Systems Provides reliable AC power from a 48V battery bank for remote homes, cabins, or commercial sites. Backup Power Solutions Ensures continuous power supply during grid outages for critical loads in homes or businesses. Hybrid Solar Systems Integrates seamlessly with solar charge controllers and grid-tie inverters for optimised self-consumption. Marine & Vehicle Use Suitable for large 48V DC systems in boats, yachts, or specialist vehicles requiring robust 230V AC power. Built-In Protection Functions The Victron MultiPlus-II 15000VA is equipped with comprehensive safety features to protect both the unit and your energy system. These include protection against short circuit • overload • battery over/under-voltage • overheating • and excessive input ripple. Additionally, features like WeakAC, BatterySafe mode, and Storage mode ensure optimal battery care and system stability. Common Questions What is the difference between VA and W? VA (Volt-Amperes) is the apparent power, while W (Watts) is the real power. For resistive loads, VA and W are often similar. For inductive loads (like motors or pumps), the VA rating provides a more realistic indication of the unit's capacity to handle the load, as it accounts for reactive power. This MultiPlus-II has a continuous output of 15000VA, which equates to 12000W at 25°C. Can this inverter/charger be used with lithium batteries? Yes, the Victron MultiPlus-II is compatible with various battery chemistries, including Lithium-ion. Its adaptive charging technology can be configured to match the specific charging requirements of your battery type for optimal performance and lifespan. Is an external current sensor required for PowerControl and PowerAssist? The MultiPlus-II has an external current sensor option that extends the PowerControl and PowerAssist functions, allowing for optimised self-consumption and prevention of grid feed. While not strictly required for basic operation, it enhances these advanced energy management features. Can multiple MultiPlus-II units be combined? Yes, the MultiPlus-II can be connected in parallel with up to six identical devices to increase overall power output. It also supports 3-phase wye (Y) configuration for larger commercial or industrial applications. Installation Notes Installation should be carried out by a qualified professional to ensure safety and compliance with local electrical regulations. Ensure adequate ventilation around the unit, as it uses fan-assisted cooling and operates across a wide temperature range. Refer to the official Victron Energy manual for detailed wiring diagrams, mounting instructions, and commissioning procedures. Proper DC and AC cabling, fusing, and earthing are essential for safe and efficient operation. Before You Buy Verify that your battery bank is a 48V system, compatible with the inverter's input voltage range. Confirm that the 15000VA (12000W) continuous output and 27000W peak power meet your load requirements. Consider if you require additional Victron GX devices (e.g., Cerbo GX) for advanced monitoring and control features. Ensure the physical dimensions (810 x 405 x 217 mm) and weight (80kg) are suitable for your intended installation space. Always verify product specifications and compatibility with your system requirements before purchase. This Victron Energy product is covered by a 5-year manufacturer warranty.
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