Victron Energy | MultiPlus 12/3000/120-50 120V VE.Bus (UL 1741 & 458)
Victron MultiPlus 12/3000/120-50 120V VE.Bus (UL 1741 & 458) Pure Sine Wave Inverter/Charger
The Victron Energy MultiPlus 12/3000/120-50 120V VE.Bus (UL 1741 & 458) is a high-performance pure sine wave inverter and intelligent battery charger housed in a single, compact enclosure. This versatile unit seamlessly blends multiple energy management capabilities, making it ideal for mobile, backup, and off-grid power systems.
It features adaptive charging, hybrid PowerAssist technology, and a fast AC transfer switch, offering uninterrupted power to critical loads. The MultiPlus 12/3000 model is designed for professional energy storage solutions requiring reliable and efficient power delivery.
Key Features
True Sine Wave Inverter
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Delivers clean and stable 120V AC power for sensitive electronics and appliances.
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3000VA continuous output for demanding applications.
Adaptive Battery Charging
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120A smart charging adapts to battery type and usage profile.
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Compatible with lead-acid, AGM, GEL, and lithium batteries.
PowerAssist – Boost Limited AC Sources
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Prevents overload of limited-capacity AC inputs like shore or generator power.
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Automatically reduces battery charging during peak usage and supplements incoming power with battery energy when necessary.
Uninterrupted AC Power – UPS Mode
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In the event of grid, shore, or generator disconnection, the MultiPlus automatically switches to inverter mode in less than 20 milliseconds.
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Ensures uninterrupted power for computers, appliances, and critical electronics.
Scalable Power Output
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Supports parallel operation of up to six units for increased output capacity.
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Compatible with split-phase and three-phase configurations (consult datasheet for model compatibility).
Remote Monitoring and Control
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Fully integrates with GX devices (such as the Cerbo GX) for complete system visibility and control.
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Access system data and settings locally via LAN or remotely through the Victron Remote Management (VRM) portal or app.
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Monitor power flow, battery state, load control, and automate functions like generator start/stop.
Specification
| Specification | 12/3000/120-50 120V | 24/3000/70-50 120V |
|---|---|---|
| PowerControl / PowerAssist | Yes | |
| AC Input Voltage Range | 95 – 140 VAC | |
| Input Frequency | 45 – 65 Hz | |
| Power Factor | 1 | |
| Max Feed Through Current (A) | 50 | |
| Min. AC Current for PowerAssist (A) | 7.5 | |
| INVERTER | ||
| Input Voltage Range (VDC) | 9.5 – 17 | 19 – 33 |
| Output Voltage / Frequency | 120 VAC ± 2% / 60 Hz ± 0.1% | |
| Cont. Output Power at 25°C (VA) | 3000 | 3000 |
| Cont. Output Power at 25°C (W) | 2400 | 2400 |
| Cont. Output Power at 40°C (W) | 2200 | 2200 |
| Cont. Output Power at 65°C (W) | 1700 | 1700 |
| Peak Power (W) | 6000 | 6000 |
| Max Efficiency (%) | 93 | 94 |
| Zero Load Power (W) | 20 | 20 |
| Zero Load (AES Mode) (W) | 15 | 15 |
| Zero Load (Search Mode) (W) | 8 | 10 |
| CHARGER | ||
| Charge Voltage Absorption (VDC) | 14.4 | 28.8 |
| Charge Voltage Float (VDC) | 13.8 | 27.6 |
| Storage Mode Voltage (VDC) | 13.2 | 26.4 |
| Charge Current House Battery (A) | 120 | 70 |
| Charge Current Starter Battery (A) | 4 | |
| Battery Temperature Sensor | Yes | |
| GENERAL | ||
| Auxiliary Output | Max. 32A, switches off when no external AC | |
| Programmable Relay | Yes, 3x | |
| Protection | a – g | |
| VE.Bus Comm Port | Yes | |
| General Purpose Comm Port | Yes, 2x | |
| Operating Temperature | -40 to +65°C / -40 to 150°F | |
| Humidity (non-condensing) | Max 95% | |
| ENCLOSURE | ||
| Material & Colour | Aluminium (blue RAL 5012) | |
| Protection Category | IP 21 | |
| Battery Connection | M8 bolts (2 plus, 2 minus) | |
| AC Connections | Screw terminals 13mm² (6 AWG) | |
| Weight (kg) | 19 | |
| Dimensions (mm) | 362 x 258 x 218 | |
| STANDARDS | ||
| Safety | UL1741, UL458, EN 60335-1, EN 60335-2-29 | |
| Emission / Immunity | EN 55014-1, EN 55014-2, EN 61000-3-3 | |
| Automotive Directive | 2004/104/EC | |
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