Skip to Content

Victron MultiPlus 12/3000/120-50, 120V

The Victron MultiPlus 12/3000/120-50 is an inverter/charger for 12 V battery systems. It puts out 2,400 W of clean AC power and charges the battery at up to 120 A. When shore or generator power runs short, PowerAssist adds battery power to help.
Nov 2026 Coupon: Victron & Webasto Parts
$ 1,156.85 $ 1,361.00

At a glance

Highlights

  • True sine wave inverter, battery charger and AC transfer switch in one unit
  • PowerAssist adds battery power when AC power is limited
  • Connects to a Cerbo GX for monitoring and control over VE.Bus
  • Can run in parallel or three-phase systems

Key specs

  • Nominal battery voltage: 12 V
  • Maximum charge current (up to 25 C ambient): 120 A
  • Peak power rating: 6,000 W
  • Maximum efficiency: 93 %
  • Operating temperature range (fan assisted cooling): -40 to 65 C
SpecificationValue
Charge algorithmAdaptive, 4-stage
Nominal battery voltage12 V
Auxiliary AC outputYes
AC output voltage +/-2% (adjustable)120 VAC
AC output frequency +/-0.1% (adjustable)60 Hz
AC Input voltage range95 to 140 VAC
AC input frequency range45 to 65 Hz
Charge voltage absorption (adjustable)14.4 VDC
DIP switches for programmingYes
Parallel operationYes
Operating temperature range (fan assisted cooling)-40 to 65 C
Number of AC Outputs2
Number of AC Inputs1
Maximum charge current (up to 25 C ambient)120 A
Maximum humidity (non-condensing)95 %
Maximum efficiency93 %
Fan assisted coolingYes
Peak power rating6,000 W
DC Input voltage range9.5 to 17 VDC
Continuous inverter AC output power at 65 C1,700 W
Continuous inverter AC output power at 40 C2,200 W
Continuous inverter AC output power at 25 C2,400 W
Continuous power at 25 C (Nonlinear load, crest factor 3:1)3,000 VA
Programming via computer or appYes
General purpose communication portYes
Communication PortVE.Bus
Charge voltage storage (adjustable)13.2 VDC
Charge voltage float (adjustable)13.8 VDC
Transfer switch AC current rating50 A
Zero load power in search mode8 W
Zero load power in AES mode15 W
Zero Load Power20 W
Three phase operationYes
Temperature SensorIncluded
Starter battery charge outputYes
Starter battery charge current4 A
Remote terminalOn / Off / Charger only
ProtectionsOutput short-circuit,Overload,High battery voltage,Low battery voltage,Over temperature,Excessive DC ripple,AC voltage on inverter output
Programmable relayAC rating: 230V / 4A, DC rating: 4A up to 35VDC and 1A up to 60VDC
Power Factor1
PowerControlYes
PowerAssistYes
VE.bus communication portTwo RJ45 terminals
Battery connection terminal typeM8 bolts (two for positive and two for negative connection)
Remote terminal typeScrew terminal two pole
  • MultiPlus 12/3000/120-50
  • Temperature sensor

Battery cables, fuses and a GX device are sold separately.

Use thick battery cables and a fuse close to the battery. Set the AC input limit and charge settings with VictronConnect or VEConfigure.

We install Victron systems at our shops in Salt Lake City, Utah and Fort Collins, Colorado. See our installation page or send us an inquiry.

5 year warranty. Read Victron's warranty terms.

Ships in 1 to 5 business days.