Victron Energy MultiPlus 12/1200 - 50-16 - 120V VE.Bus Inverter and Charger

MultiPlus 12/1200 - 50-16 - 120V - VE. Bus

The MultiPlus is a powerful true sine wave inverter, a sophisticated battery charger that features adaptive charge technology, and a high-speed AC transfer switch in a single compact enclosure. Next to these primary functions, the MultiPlus has several advanced features, as outlined below.

Parallel Operation and Three-Phase Capability

Up to six Multis can operate in parallel to achieve higher power output. In addition to parallel connection, three units can be configured for three-phase output.

PowerControl - Dealing with Limited Generator, Shore Side or Grid Power

With the Multi Control Panel, a maximum generator or shore current can be set. The MultiPlus will then take account of other AC loads and use whatever is extra for charging, thus preventing the generator or shore supply from being overloaded.

PowerAssist - Boosting the Capacity of Shore or Generator Power

This feature takes the principle of PowerControl to a further dimension. It allows MultiPlus to supplement the capacity of the alternative source. Where peak power is often required only for a limited period, the MultiPlus will make sure that insufficient shore or generator power is immediately compensated for by power from the battery. When the load is reduced, the spare power is used to recharge the battery.

Four Stage Adaptive Charger and Dual-Bank Battery Charging

The main output provides a powerful charge to the battery system using advanced adaptive charge software. The software fine-tunes the three-stage automatic process to suit the condition of the battery and adds a fourth stage for long periods of float charging. The adaptive charge process is described in more detail on the Charger datasheet and Victrons website under Technical Information. In addition to this, the MultiPlus will charge a second battery using an independent trickle charge output intended for a main engine or generator starter battery.

High Start-Up Power

It is needed to start high-inrush loads such as power converters for LED lamps, halogen lamps, or electric tools.

Search Mode

When Search Mode is on, the power consumption of the inverter in no-load operation is decreased by approx. 70%. In this mode, the Multi, when operating in inverter mode, is switched off in case of no load or very low load and switches on every two seconds for a short period. If the output current exceeds a set level, the inverter will continue to operate. If not, the inverter will shut down again.

Programmable Relay

By default, the programmable relay is set as an alarm relay, i.e. the relay will de-energize in the event of an alarm or a pre-alarm (inverter almost too hot, ripple on the input almost too high, battery voltage almost too low).

Remote On/Off/Charger On

Three pole connector.

On-Site System Configuring, Monitoring, and Control

After installation, the MultiPlus is ready to go. Some settings can be changed with DIP switches. 500/800/1200VA models: remote switch/battery charge voltage/inverter frequency/search mode. 1600/2000VA models: battery charge voltage/search mode. For more settings use VE-Config or the VE. Bus Smart dongle.

Remote Configuring and Monitoring

Install a Cerbo GX or other GX product to connect to the internet. Operational data can be stored and displayed on Victrons VRM (Victron Remote Management) website, free of charge. When connected to the internet, systems can be accessed remotely, and settings can be changed.

Specifications:

• PowerControl: Yes
• PowerAssist: Yes
• Transfer Switch (A): 16

Inverter Specifications:

• Input Voltage Range (V DC): 9,5 17 V
• Output voltage: 120 VAC, 2%
• Continuous Output Power at 25C (VA): 1200
• Continuous Output Power at 25C (W): 1000
• Continuous Output Power at 40C (W): 900
• Continuous Output Power at 65C (W): 600
• Peak Power (W): 2400
• Maximum Efficiency (%): 93
• Zero Load Power (W): 13
• Zero Load Power in Search Mode (W): 4

Charger Specifications:

• AC Input voltage range 95 - 140 V
• AC Input Frequency range: 55-66Hz
• Charge Voltage Absorption (V DC): 14,4
• Charge Voltage Float (V DC): 13,8
• Storage Mode (V DC): 13,2
• Charge Current House Battery (A): 50
• Charge Current Starter Battery (A): 1
• Battery Temperature Sensor: Yes

General Specifications:

• Programmable Relay: Yes (1x)
• Protection: a - g
• VE.Bus Communication Port: For parallel and three-phase operation, remote monitoring and system integration (RJ45-splitter ASS030065510 needed for 500 / 800 / 1200 VA models)
• Remote On-Off: On/off/charger only
• DIP Switches: Yes
• Internal DC Fuse: 200A
• Operating Temperature Range: -40 - +65C / -40 to 150F (fan-assisted cooling), Humidity (non-condensing) max 95%

Enclosure Specifications:

• Common Characteristics: Material Color: aluminum (blue RAL 5012) / Protection category: IP 21
• Battery-Connection: 35 mm
• AC-Connection: G-ST18i connector
• Weight: 8.2 kg (18.1 lbs)
• Dimensions (H x W x D): 406 x 250 x 100 mm / 15.98 x 9.84 x 3.94 in.

Standards:

• Safety: EN-IEC 60335-1, EN-IEC 60335-2-29, EN 62109-1
• Emission, Immunity: EN 55014-1, EN 55014-2, EN-IEC 61000-3-2, EN-IEC 61000-3-3, IEC 61000-6-1, IEC 61000-6-2, IEC 61000-6-3
• Automotive Directive: ECE R10-5
• Protection: Output short circuit, Overload, Battery voltage too high, Battery voltage too low, Temperature too high, 230VAC on inverter output, Input voltage ripple too high
• Non-linear load, crest factor 3:1
• Up to 25C ambient
• Programmable relay which can be set for: general alarm, DC under voltage or generator start/stop signal function. AC rating: 4 A at 120 V DC rating: 4 A up to 35 V, 1 A up to 60 V
• For parallel and three-phase operation an RJ45-splitter ASS030065510 is needed.
• Select remote behaviour, battery charge voltages and/or search mode

The Victron Energy MultiPlus 12/1200 - 50-16 - 120V VE.Bus combines a high-performance true sine wave inverter with a sophisticated battery charger and a high-speed AC transfer switch within a compact enclosure. Designed for versatile power management, this unit provides reliable energy conversion and system integration for various off-grid and backup power applications. Its intelligent features include adaptive charging, parallel operation, and three-phase capability, making it suitable for complex power systems requiring scalable and resilient solutions. The multi-functionality of the MultiPlus ensures optimal power utilization while maintaining system safety and efficiency, ideal for RVs, boats, and off-grid installations.

Features:

• Parallel Operation and Three-Phase Capability: Supports up to six units in parallel or three-phase configurations for higher power needs.

• PowerControl: Limits generator, shore, or grid power to prevent overloads by dynamically adjusting AC loads and charging based on set maximum current.

• PowerAssist: Boosts available power from shore or generator sources by supplementing with battery power during peak demand, then recharges batteries when load decreases.

• Four Stage Adaptive Charger and Dual-Bank Battery Charging: Guarantees optimal battery charging with adaptive software, including a long-term float stage, and independently charges a second battery bank.

• High Start-Up Power: Capable of starting high-inrush loads like LED power converters, halogen lighting, and power tools.

• Search Mode: Minimizes inverter power consumption during no-load periods, switching off when not needed and restoring power when loads exceed a set threshold.

• Programmable Relay: Provides alarm functions for conditions such as high temperature, input ripple, or low battery voltage, with customizable settings.

• Remote On/Off and Charger Activation: Features a three-pole connector for easy remote control and system management.

• On-Site and Remote Monitoring: Configurable via DIP switches and online platforms like Victron VRM with connection to Cerbo GX or similar devices for remote access and control.

• Robust Specifications: Continuous output power of 1000W at 25°C with peak power of 2400W, efficiency up to 93%, and comprehensive protection features ensure reliable operation across a wide temperature range.