Victron- MultiPlus inverter 12 Volt 12/2000/80

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Victron- MultiPlus inverter 12 Volt 12/2000/80


Victron- MultiPlus inverter 12 Volt 12/2000/80

Multi-functional, with intelligent power management

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.

Two AC Outputs

The main output has no-break functionality. The MultiPlus takes over the supply to the connected loads in the event of a grid failure or when shore/generator power is disconnected. This happens so fast (less than 20 milliseconds) that computers and other electronic equipment will continue to operate without disruption.

The second output is live only when AC is available on the input of the MultiPlus. Loads that should not discharge the battery, like a water heater for example, can be connected to this output (second output available on models rated at 3kVA and more).

Virtually unlimited power thanks to parallel operation

Up to six Multi's can operate in parallel to achieve higher power output. Six 24/3000/70 units, for example, provide 15kW / 18kVA output power with 420 Amps of charging capacity.

Three phase capability

In addition to parallel connection, three units can be configured for three-phase output. But that’s not all: with three strings of six parallel units a 45kW / 54kVA three phase inverter and 1260A charger can be built.

Split phase options

Two units can be stacked to provide 120-0-120V, and additional units can be paralleled up to a total of 6 units per phase, to supply up to 30kW / 36kVA of split phase power.

Alternatively, a split phase AC source can be obtained by connecting our autotransformer (see data sheet on to a ‘European’ inverter programmed to supply 240V / 60Hz.

PowerControl - Dealing with limited generator, shore side or grid power

The MultiPlus is a very powerful battery charger. It will therefore draw a lot of current from the generator or shore side

supply (nearly 20A per 3kVA MultiPlus at 120VAC). 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 reventing 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 the MultiPlus to supplement the capacity of the alternative source.

Where peak power is so 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 reduces, 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 by means of 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 Phoenix Charger datasheet and on our 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.

System configuring has never been easier

After installation, the MultiPlus is ready to go.

If settings have to be changed, this can be done in a matter of minutes with a DIP switch setting procedure. Even parallel and 3-phase operation can be programmed with DIP switches: no computer needed!

Alternatively, VE.Net can be used instead of the DIP switches.

And sophisticated software (VE.Bus Quick Configure and VE.Bus System Configurator) is available to configure several new, advanced, features.




12 Volt



Power Control Yes
Power Assist Yes
Transfer switch (A) 50
Parallel and 3-phase operation  Yes
Input voltage (V DC) 9,5 – 17 V 19 – 33 V
Input frequency (Hz)  60 Hz ± 0,1% (1) 
Output 120 VAC ± 2% 
Cont. output power at 75 °F (VA) (3) 2000
Cont. output power at 75 °F (W)  1600
Cont. output power at 100 °F (W)  1450
Peak power (W)  4000
Maximum efficiency (%) 92 / 94
Zero-load power (W)   9 / 11
Zero load power in AES mode (W)  7 / 8
Zero load power in Search mode (W)  3 / 4
AC Input Input voltage range: 95-140
VAC Input frequency: 45 – 65 Hz
Power factor 1
Charge voltage ‘absorption’ (V DC) 14,4 / 28,8 
Charge voltage ‘float’ (V DC) 13,8 / 27,6
Storage mode (V DC)  13,2 / 26,4
Charge current house battery (A) (4) 80 / 50 
Charge current starter battery (A) 4
Temperature sensor  Yes


Auxiliary output (5)  n. a
Programmable relay (6) Yes (1x) 
Protection (2) a - g 
VE.Bus communication port For parallel and three phase operation, remote monitoring and system integration
General purpose com. port (7)  n. a.
Remote on-off Yes 
Common Characteristics  Operating temp. range: 0 - 120°F (fan assisted cooling) Humidity (non condensing): max 95%


Material & Colour aluminium(blue RAL 5012)
Battery-connection M8 bolts
AC-connection Screw-terminal 6 AWG (13mm²)
Protection Category IP 21
Weight kg (Ibs) 13kg 25 lbs 
Dimension (hxwxd in mm and inches) 520x255x125 mm 20.5x10.0x5.0 inch


Safety EN 60335-1, EN 60335-2-29
Emission Immunity EN55014-1, EN 55014-2, EN 61000-3-3


1) Can be adjusted to 60 HZ; 120 V 60 Hz on request 2) Protection key: 
3) Non linear load, crest factor 3:1   a) output short circuit 
4) At 75 ˚F ambient   b) overload 
5) Switches off when no external AC source available   c) battery voltage too high 
6) Programmable relay that can a. o. be set for general alarm,   d) battery voltage too low 
 DC undervoltage or genset start/stop function   e) temperature too high 
AC rating: 230V/4A  f) 230 VAC on inverter output 
DC rating: 4A up to 35VDC, 1A up to 60VDC   g) input voltage ripple too high
7) A. o. to communicate with a Lithium Ion battery BMS



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