Victron Phoenix Smart IP43 Charger 12/50 (3) 120-240V | PSC125053095
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Three-output smart shore-power charging
Victron Phoenix Smart IP43 Charger 12/50 (3) 120-240V | PSC125053095
A premium 12V 50A Victron charger with three isolated outputs, Bluetooth, VE.Direct, programmable lithium profiles, and universal 120/240V shore-power input.
The Victron Phoenix Smart IP43 charger 12/50 (3) is built for boats, RVs, and off-grid systems that run more than one 12V battery bank. Part PSC125053095 provides three isolated outputs, so a single charger can maintain compatible house, bow-thruster, trolling-motor, or auxiliary banks while sharing a combined 50A charging capacity, with VictronConnect Bluetooth control and VE.Direct system integration.
50A
Combined output
3
Isolated outputs
85–250VAC
Universal input
Bluetooth
VictronConnect
VE.Direct
GX integration
5 years
Victron warranty
One smart charger for a multi-bank 12V system
Three isolated outputsSeparate compatible banks
Lithium readyProgrammable LiFePO4 profile
Fanless coolingNatural convection
Power-supply modeConfigurable DC output
Remote on/offBMS and switch control
Programmable relayAlarm and event control
Multi-Bank Charging: The Three-Output Advantage
Charge three separate compatible 12V battery banks without installing three chargers.
The three-output version keeps the connected banks isolated from one another, prevents unwanted current flow between banks, and distributes the available charging current according to each bank’s voltage, state of charge, and capacity.
Each individual output can supply up to the full 50A rating, but the combined current across all three outputs is limited to 50A. The outputs also share one charge cycle and one voltage profile, so all connected batteries must be compatible with the same charging algorithm.
Three Full-Current-Capable Isolated Outputs
Any one output can deliver the full rated current when needed, while total charger output remains capped at 50A. This makes the system flexible without treating the unit as three separate 50A chargers.
Built for Complex Marine and RV Systems
Use one 3-bank charger for compatible 12V house, windlass, bow-thruster, trolling-motor, or auxiliary banks. Separate monitoring is recommended when individual bank voltage, current, and state-of-charge data are required.
Intelligent, Programmable Lithium Charging
Configure the charger for Epoch LiFePO4, AGM, GEL, flooded lead-acid, or other approved 12V batteries.
Victron’s adaptive charging system provides selectable normal, high, and lithium modes. Lead-acid profiles use an adaptive six-stage algorithm, while the built-in lithium profile uses a dedicated three-stage process. The charge algorithm is also fully programmable through Bluetooth or VE.Direct, allowing the installation to match the exact voltage and current limits published by the battery manufacturer.
The lithium preset uses 14.2V absorption, no conventional float stage, and 13.5V storage. For an Epoch battery bank, confirm and enter the charging values for the exact battery model before commissioning, and make sure every connected bank is compatible with the one selected profile.
Smart charger features
Multi-bank isolation, global input, wireless setup, wired integration, and fanless operation.
Three isolated outputsCharge up to three separate compatible 12V battery banks without current flow between the banks.
50A combined chargingEach output can provide up to the full 50A rating, while total current across all outputs remains limited to 50A.
Automatic current distributionAvailable current is shared according to bank voltage, state of charge, and capacity.
Lithium charging modeBuilt-in 14.2V lithium absorption profile with no conventional float stage and 13.5V storage.
Fully programmableCustomize charge voltages, current limits, operating mode, alarms, and relay behavior.
Bluetooth SmartUse VictronConnect for setup, status, history, configuration, and firmware updates.
VE.Direct integrationConnect to a compatible GX device, PC, or other supported interface.
Universal AC inputOperates from 85–250VAC at 45–65Hz for North American and international shore power.
Adjustable AC input limitSet maximum AC input current from 3A to 10A for limited shore or generator sources.
Power-supply modeProvides a configurable fixed 12V DC output for testing or compatible DC loads.
Natural convection coolingFanless operation reduces noise and moving parts.
Built-in protectionsIncludes reverse-polarity fuse protection, output short-circuit protection, and overtemperature protection.
Compatible applications
Marine, RV, global shore-power, generator, and off-grid charging systems.
- ✓12V marine house bank, bow-thruster bank, and trolling-motor bank charged from one shore-power charger.
- ✓RV and expedition-vehicle systems with multiple compatible 12V auxiliary battery banks.
- ✓World-cruising vessels using North American or international shore power with the correct mains cord.
- ✓Epoch 12V LiFePO4 batteries programmed to the battery model’s published charging settings.
- ✓Compatible AGM, GEL, flooded lead-acid, and other 12V batteries sharing the same charge profile.
- ✓Generator charging where AC input current is limited for the available source.
- ✓GX-connected installations using VE.Direct and a compatible Cerbo GX or Ekrano GX.
- ✓Fixed-output 12V DC power-supply applications within the charger’s published ratings.
Built for Global Shore Power
Universal 120/240V-class input for marinas, campgrounds, generators, and international installations.
The charger operates from 85–250VAC at 45–65Hz, reaches full rated output from 100VAC, and can start at approximately 90VAC. A configurable 3–10A AC input-current limit helps match charging demand to a smaller generator or limited shore-power circuit.
The IEC C14 AC inlet includes a retainer clip, but the country-specific mains cord is purchased separately. North American installations commonly pair this charger with Victron’s ADA010100400 NEMA 5-15P mains cord.
IP43 electronics protection
Marine-oriented protection does not mean waterproof installation.
The electronics enclosure is rated IP43 and the connection area IP22. Mount the charger vertically in a dry, protected, naturally ventilated location with the AC inlet, DC terminals, remote connector, relay, and VE.Direct port protected from direct spray, standing water, high moisture, and condensation.
Recommended accessories
Complete the installation with the correct AC cord, data cable, monitoring, and DC protection.
✓Victron ADA010100400 NEMA 5-15P mains cord for North American 120V outlets.
✓Victron VE.Direct cable in the appropriate length for a compatible GX device.
✓Victron Cerbo GX or Ekrano GX for system integration and VRM remote monitoring.
✓Victron Smart Battery Sense, SmartShunt, or BMV-712 Smart for optional VE.Smart voltage and temperature sensing.
✓Correctly sized DC cables and separate battery-side fusing for each connected output.
Technical specifications
Exact input, output, charging, communication, environmental, and mechanical details.
Installation and charging note
Treat each output as a separately fused battery connection while respecting the charger’s shared profile and total-current limit.
The country-specific AC cord is sold separately. Install suitable DC cabling and battery-side overcurrent protection for every connected bank, observe polarity, mount the charger vertically with adequate ventilation, and program one charge profile that is safe for all connected batteries. Installation should be completed by a qualified person where marine, RV, or electrical codes require it.
Frequently asked questions
Victron Phoenix Smart IP43 12/50 (3) FAQs
Common questions about three-output charging, current sharing, lithium settings, shore power, monitoring, and installation.
What does the “(3)” mean in the charger name?
The (3) identifies three isolated battery outputs. One charger can connect to three separate, compatible 12V battery banks while preventing current flow between those banks. The outputs share one charging algorithm and one combined 50A current limit.
Does each of the three outputs provide 50A at the same time?
No. Any individual output can supply up to the full rated 50A when the other banks need little or no current, but the combined current across all three outputs can never exceed 50A. Current is distributed between the connected banks according to their voltage, state of charge, and capacity.
Can I connect three different battery chemistries or charging profiles?
Not recommended. The three outputs are isolated, but they are not regulated independently. One charge cycle and one charge-voltage profile is applied to all outputs, so the connected batteries should be compatible with the same charging algorithm, typically the same chemistry and similar voltage requirements.
Does the charger include an AC mains cord?
No. The charger uses an IEC C14 AC inlet with a retainer clip, and the country-specific mains cord is ordered separately. North American installations typically use Victron part ADA010100400, the 2-meter NEMA 5-15P mains cord, after confirming the outlet and installation requirements.
Can I use this charger with Epoch 12V LiFePO4 batteries?
Yes, provided all connected battery banks are compatible with the same charge profile and the charger is programmed to the exact battery specifications. The built-in lithium mode uses 14.2V absorption, no conventional float stage, and 13.5V storage; custom values can be entered through VictronConnect or VE.Direct.
Can I reduce the charging rate when using a small generator or limited shore-power outlet?
Yes. The front-panel low-current mode limits the 12/50 model to 25A DC output, and the maximum AC input-current setting can be configured from 3A to 10A. Choose limits that suit the AC source, battery-bank capacity, cable sizing, and connected loads.
Can I plug it into both 120V and 230V shore power?
Yes. This 120/240V model operates from 85–250VAC at 45–65Hz, delivers full output from 100VAC, and can start from approximately 90VAC. Use the correct country-specific mains cord, branch-circuit protection, and shore-power connection for the installation.
Is the Phoenix Smart IP43 charger waterproof?
No. The electronics enclosure is rated IP43 and the connection area is IP22. Install the charger vertically in a dry, protected, well-ventilated location where the AC inlet, DC terminals, VE.Direct port, and controls are not exposed to direct spray, standing water, or condensation.
Can I monitor all three batteries separately in VictronConnect?
VictronConnect reports the charger’s operating mode, charge stage, output voltage, total output current, history, warnings, and alarms. Because the three outputs share one charger and are not independently regulated, the charger does not provide three separate per-bank charging dashboards. Use separate battery monitors when individual bank data is required.
Does this charger also function as an inverter?
No. It is an AC-to-DC battery charger and configurable DC power supply. It does not convert battery DC power back into 120V AC. A Victron MultiPlus or MultiPlus-II is the appropriate product category when both charging and inverter functionality are required.
