SKU: 70329166128

Victron Quattro-II - 24/3000 - 70-50/50 - 2X 120V

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Description

Victron Quattro-II - 24/3000 - 70-50/50 - 2X 120VQuattro II 24 3000 70 50 50 2X 120V Similar to the MultiPlus II 2x120V, the Quattro II 2x120V is a combined inverter and charger specifically designed for standard North American 50A 120 240VAC split phase applications. Additionally, it can accept two AC inputs and automatically connect to the active source. 120 240V Input and Output, or 120V Input and Output (Always 120V Output When in Inverter Mode) The two AC inputs can be supplied from a split

Quattro-II - 24/3000 - 70-50/50 - 2X 120V

Similar to the MultiPlus-II 2x120V, the Quattro-II 2x120V is a combined inverter and charger specifically designed for standard North American 50A 120/240VAC split-phase applications. Additionally, it can accept two AC inputs and automatically connect to the active source.

120/240V Input and Output, or 120V Input and Output (Always 120V Output When in Inverter Mode)

The two AC inputs can be supplied from a split-phase 120/240V source or a single-phase 120V source. When one of the AC sources is available, the Quattro will feed through the AC to its output. The output will therefore mirror the AC input.

The inverter/charger connects to the neutral and the preferred input line (L1). The power needed to charge the batteries will therefore be drawn from L1.

The Quattro switches to inverter operation when no AC source is available. The inverter output is 120V single-phase. In invert mode, the Quattro connects both output lines (L1 and L2) together to provide 120VAC to loads on either line.

Any 240V loads will therefore be supplied only when the Quattro is supplied by a split-phase AC source. This prevents heavy loads such as water heaters or 240V air conditioners from discharging the battery.

PowerControl and PowerAssist - Boosting the Capacity of the Grid or a Generator

A maximum grid or generator current can be set. The Quattro will then take account of other AC loads and use whatever is extra for battery charging, thus preventing the generator or grid from being overloaded (PowerControl function).

PowerAssist takes the principle of PowerControl to a further dimension. Where peak power is often required only for a limited period, the Quattro will compensate for insufficient generator, shore, or grid power with power from the battery. When the load reduces, the spare power is used to recharge the battery (available on L1 input only).

Two AC Inputs and Two AC Outputs

The Quattro can be connected to two independent AC sources, for example,shore-side power and a generator, or two generators. The Quattro-II will automatically connect to the active source.

The main output has no-break functionality. The Quattro takes over the supply to the connected 120V loads in the event of a grid failure or when shore/generator power is disconnected. The transfer time of the L1 output is less than 18 milliseconds, so computers and other electronic equipment will continue to operate without disruption. The transfer time of the L2 output is longer: approximately 40 milliseconds.

The second (auxiliary) output is live only when AC is available on the input of the Quattro. Loads that should not discharge the battery can be connected to this output.

Virtually Unlimited Power Thanks to Parallel and Three-Phase Operation

Up to 6 Quattros can operate in parallel to achieve a higher power output. In addition to parallel connections, three units of the same model can be configured for three-phase output. In multi-phase setups, L2 is disabled on all units.

On-Site System Configuring, Monitoring and Control

Settings can be changed in a matter of minutes with the VictronConnect app or VEConfigure software (computer or laptop and MK3-USB interface are needed). Several monitoring and control options are available: Cerbo GX, Color Control GX, laptop, computer, Bluetooth (with the optional VE.Bus Smart dongle), Battery Monitor, and Digital Multi Control Panel.

Remote Configuration and Monitoring

Install a Cerbo GX or other GX product to connect to the internet. Operational data can be stored and displayed on our 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 & PowerAssist: Yes (on L1 input)
  • Transfer Switch: 50 A
  • Maximum AC Input Current: 50A (each leg)

Inverter Specifications:

  • DC Input Voltage Range: 19-33V
  • Output When in Inverter Mode: Output voltage: 120 Vac ± 2% / Frequency: 60 Hz ± 0.1% (1)
  • Cont. Output Power at 25°C: 3000 VA
  • Cont. Output Power at 25°C: 2400 W
  • Cont. Output Power at 40°C: 2200 W
  • Cont. Output Power at 65°C: 1700 W
  • Maximum Apparent Feed-in Power: 2500 VA
  • Peak Power: 5500 W
  • Maximum Efficiency: 94%
  • Zero Load Power: 11W
  • Zero Load Power in AES Mode: 8W
  • Zero Load Power in Search Mode: 4W

Charger Specifications:

  • AC Input: Split-phase: 180-280Vac 45 – 65Hz / Single-phase: 90-140Vac 45 – 65Hz
  • Charge Voltage 'Absorption': 28.8 V
  • Charge Voltage 'Float':  27.6 V
  • Storage Mode: 26.4 V
  • Maximum Battery Charge Current: 70 A
  • Battery Temperature Sensor: Yes

General Specifications:

  • Auxiliary Output: 50 A (each leg)
  • External AC current Sensor (optional): 100A
  • Programmable Relay: Yes
  • Protection: a – g
  • VE.Bus Communication Port: For parallel and three-phase operation, remote monitoring and system integration
  • General Purpose com. Port: Yes, 2x
  • Remote On-Off: Yes
  • Operating Temperature Range: -40 to +65°C (-40 -150°F) Fan assisted cooling
  • Humidity (non-condensing): Max 95%

Enclosure Specifications:

  • Material & Color: Steel, blue RAL 5012
  • Protection Category: IP22
  • Battery-Connection: 2 M8 bolts
  • 120/240 V AC-Connection: Screw terminals 21 mm² (4 AWG)
  • Weight: 22.5 kg / (50lb)
  • Dimensions (hxwxd): 579 x 319 x 168 mm / (23 x 13 x 7 inch)

Standards:

  • Safety: EN-IEC 60335-1, EN-IEC 60335-2-29
  • 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
  • Can be adjusted to 50 Hz
  • Protection key: Output short circuit, overload, battery voltage too high, battery voltage too low, temperature too high, 120Vac on inverter output, input voltage ripple too high
  • Non-linear load, crest factor 3:1.
  • Up to 75-degrees F / 25-degrees C ambient temperature
  • Switches off when no external AC source is available.
  • Programmable Relay That Can for Example Be Set for General Alarm or DC under Voltage or Genset Start/Stop Function: AC rating: 120Vac / 4A / DC rating: 4A up to 35dc, 1A up to 60Vdc
  • Use, for example, to communicate with a lithium battery BMS
Please contact your dealer for any returns, repairs or support issues related to this product.

Specifications:

  • Charger Input - Voltage: 120VAC
  • Charger Output - Amps: 70A
  • Charger Output Voltage: 24V
  • Charging Banks: 2x120VAC
  • Inverter Cont. Output Wattage: 3000VA / 2400W
  • Inverter Input Voltage: 24VDC
  • Inverter Output Voltage: 120VAC
  • Outlet Qty: None
  • Box Dimensions: 11"H x 17"W x 27"L WT: 55.9 lbs
  • UPC: 8719076057376

Quick Guide (pdf)
Owner's Manual (pdf)
Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70329166128

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Reviewed in the United States on January 21, 2026
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trc
Phoenix, US
★★★★★ 3
Nice but a bit awkward
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Kind of awkward to use but provides more outlets. I put it under my computer shelf so it doesn’t look bulky & it works fine. It can slip around from time to time when plugging in things but I’m living with it.
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Reviewed in the United States on August 16, 2024
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shannon oakley
Lexington, US
★★★★★ 5
Great room divider
Color: Black, Size: 4 Panel-88'', Color: Black, Size: 4 Panel-88''
This is a room divider and would work great as one! I’m using it as a cover for my car port/garage so you can’t look in and see my messy garage as easily and for what I’m using it for it’s a little not quite as sturdy as I need it to but I’m sure it’s not meant to be used outside anyways so I don’t fault the product since I’m not using it as intended… with that said though…. It still covers my garage beautifully and really does exactly what a I need it to! I’m sure the wind may blow it over if it gets too crazy but I don’t see it breaking by any means. The frame is metal and drilled together using long screws. It’s very well built. The cloth for the panels is this waterproof type material that’s kind of like the gazebo roof feeling. So it’s easy to clean and it’s easy to wipe. You can put it straight or bend the panels and either way it still stands up. You don’t HAVE to bend it to make it stand or anything. You can literally use it straight across like I am in the pictures. Overall very happy with this product and it’s also very tall so it truly covers a lot (hides a lot lol). I’m 5’8 so you can see it’s taller than me by the pic I took
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Reviewed in the United States on May 4, 2026
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3fingers
Dallas, US
★★★★★ 3
OK. Drag to setup. Needs more stable feet
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Reviewed in the United States on May 29, 2026

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