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Victron Phoenix Inverter 48/1200 — 1200VA Low-Idle Toroidal Transformer

Low-Idle 48V Inverter for Continuous Off-Grid Loads

Ultra-low idle draw — 10W standard, 1-2W in eco mode
Surge-heavy inverter — Toroidal transformer handles inductive loads
Full VE.Direct control — Monitor and configure from any device
Built-in protections — Short-circuit proof with overheat protection
  • FREE System Design Consultation -- Our engineers size your system for your actual consumption
  • FREE Shipping -- Ships free to your door, no minimum order

$245.95

Out of stock

In the box

  • Victron Phoenix Inverter 48/1200 inverter unit
  • Product documentation
Victron | Phoenix Inverter 48/1200 | VE.Direct | 1200VA Output| 48VDC Input | 120VAC Output
Victron Phoenix Inverter 48/1200 — 1200VA Low-Idle Toroidal Transformer
$245.95

Low-Idle 48V Inverter for Continuous Off-Grid Loads

The Victron Phoenix Inverter 48/1200 delivers 1200VA of clean 120VAC power from a 48VDC bank with a full-bridge toroidal transformer built to handle inductive surge loads. What sets it apart for off-grid systems: standard idle draw sits around 10W, and eco mode drops it to just 1-2W — a fraction of what larger inverters consume over a 24-hour cycle. This grid-independent inverter is field-tested for continuous operation and fully configurable via VE.Direct for battery alarms, cut-off levels, and load monitoring.

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1-2W Eco Mode Idle
Short-Circuit Proof
VE.Direct Configurable
Toroidal Transformer
1200VA
Continuous Output
48VDC
Input Voltage
1-2W
Eco Mode Idle Draw
Stop Feeding Your Inverter When Nothing Is Running

Stop Feeding Your Inverter When Nothing Is Running

Most off-grid inverters silently drain 100W or more just sitting idle — that is 2.4 kWh or more per day stolen from your battery bank before you turn on a single light. The Phoenix Inverter 48/1200 draws only 10W at standard idle and drops to 1-2W in eco mode. Over 24 hours, that is a fraction of the parasitic loss you get from bulkier units. For off-grid proven systems where every watt matters, this is the difference between making it through a cloudy stretch or watching your bank drop to zero overnight. At Off Grid Vault, we spec inverters that respect your stored energy — because wasting battery capacity on idle consumption defeats the entire purpose of being grid-independent.

Surge Through Motor Starts Without Tripping

Surge Through Motor Starts Without Tripping

Inductive loads — well pumps, refrigerators, power tools — demand a momentary surge that can be two to three times their running wattage. The Phoenix Inverter 48/1200 uses a full-bridge toroidal transformer specifically designed to absorb those spikes without shutting down. Unlike lightweight high-frequency inverters that clip or fault under surge, this low-frequency topology delivers the raw current your equipment needs at startup. It is short-circuit proof and includes overheat protection, so it handles the hard starts your homestead demands without compromising safety. When you are running a 48V system and need reliable 120VAC for real loads, this inverter delivers field-tested performance that holds up.

Configure Your Battery Protection From Any Device

Configure Your Battery Protection From Any Device

The VE.Direct port on the Phoenix Inverter 48/1200 gives you full control from desktop computers and mobile devices. You set the exact low battery voltage alarm trip and reset levels, cut-off and restart thresholds, and even enable dynamic load-dependent cut-off. This matters because every battery bank has different characteristics — a LiFePO4 bank has a different discharge curve than AGM, and your inverter should respect that. A programmable remote power switch adds another layer of control for your off-grid setup. Instead of accepting factory defaults that may not match your chemistry or capacity, you dial in protection parameters that match your actual system. That is how self-reliant power is supposed to work.

Compatibility Check

Confirm your system matches these requirements before ordering.

  • 48VDC battery bank installed
  • Continuous load does not exceed 1200VA
  • 120VAC 60Hz output compatible with your appliances

Where This Inverter Belongs

Built for systems that run 24/7 without draining your bank on idle watts.

Cabin & Homestead Base Loads
Continuous Electronics & Lighting
Off-Grid RV Power Systems
Emergency Backup Inverter Node

Full specifications

At a glance

Dimensions
See product page
Power
48VDC
Warranty
See product page
Full specifications11 data points across 4 categories

Dimensions

DimensionsSee product page

Power & Performance

Input Voltage48VDC
Output Voltage120VAC 60 Hz
Continuous Output1200VA
Standard Idle Consumption~10W
Eco Mode Idle Consumption1-2W
Transformer TopologyFull-bridge toroidal
Surge CapacitySee product page

Materials

ConstructionSee product page

Compliance & Warranty

ProtectionShort-circuit proof, overheat protection
WarrantySee product page

The Off Grid Vault Promise

We stand behind every product we sell — because we'd install it on our own cabin.

30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free ShippingShips free to your door — no minimums, no surprise freight charges.
Authorized Victron DealerWarranty claims go through us, not a ticket queue. Genuine Victron product with full manufacturer support.
★★★★★
“I swapped out my old modified sine inverter for this Phoenix 48/1200 on my cabin system. The idle draw difference is noticeable right away — my battery bank holds longer overnight with nothing running. VE.Direct lets me set the low voltage cutoff exactly where I want it for my LiFePO4 cells. Motor start on my small fridge is clean, no tripping. Solid Victron quality as expected.”
F
First L.Prescott, AZ

The Pheonix Inverter VE.Direct is a uniquely compact, low-frequency inverter with a built-in full bridge toroidal transformer allowing it to handle large surge capacity from inductive loads. The Phoenix is distinctly efficient, with around 10W standard idle consumption or as low as 1-2w in eco mode. Compared to larger inverters, idle consumption can often be upwards of 100W+. This feature alone sets this unit apart and makes it perfect for running continuous loads throughout a 24hr period with the most efficiency possible.

Features
Connection versatility with desktop computers and mobile devices
Fully configurable:
Low battery voltage alarm trip and reset levels
Low battery voltage cut-off and restart levels
Dynamic cut-off: load-dependent cut-off level
Output: 120V 60 Hz
In-and-output voltage, load percentage, and alarm monitoring
Full-bridge PLUS toroidal transformer topology
Short-circuit proof
Overheat protection
ECO Mode included
Programmable remote power switch

Victron | Phoenix Inverter 48/1200 | VE.Direct | 1200VA Output| 48VDC Input | 120VAC Output Specifications

Freight Shipping

For in stock products, standard processing times are 2 – 5 business days. Estimated delivery times are based on carrier availability and national shipping lanes, these can vary anywhere between 3 – 15 business days.

Parcel Shipping

Estimated shipping times on single item, in-stock orders are 2 – 4 business days depending on position in the order queue. Actual delivery dates vary based on carrier.

Victron | Phoenix Inverter 48/1200 | VE.Direct | 1200VA Output| 48VDC Input | 120VAC Output Manual

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Frequently Asked Questions

1200VA translates to roughly 960W continuous at unity power factor — sufficient for lighting, electronics, a small refrigerator, and charging devices. For heavy motor loads like well pumps or larger air compressors, you would want a higher VA rating. The Phoenix 48/1200 is built for dedicated circuits and smaller off-grid applications: a cabin office, communications equipment, or a secondary backup circuit. If you are unsure whether 1200VA covers your load profile, take advantage of our free system design consultation. Tell us your daily kWh consumption and peak loads, and we will confirm whether this inverter fits your architecture.
Idle consumption is the power your inverter draws from your battery bank even when no loads are active. A 100W idle draw costs you 2.4 kWh per day — roughly 10-15% of a modest 16-20 kWh battery bank's usable capacity. Over a week of low sun, that parasitic drain can be the difference between keeping your refrigerator running or watching your system shut down. The Phoenix 48/1200 draws 10W standard and 1-2W in eco mode, reducing that loss to a negligible amount. For off-grid proven systems where stored energy is your only energy, low idle consumption is not a luxury — it is a requirement.
Yes. The Phoenix Inverter 48/1200 operates on a 48VDC input, which matches standard 48V LiFePO4 configurations. Through the VE.Direct interface, you can program low battery voltage alarm and cut-off levels to match your specific LiFePO4 cells — typically set around 2.5V per cell or 50V for a 16S bank. This ensures your battery BMS and inverter work in coordination rather than conflict. Off Grid Vault is an authorized Victron dealer, so if you need help dialing in these parameters for your exact battery model, our team can walk you through it during a free system design consultation.
The Phoenix 48/1200 is a low-frequency inverter with a full-bridge toroidal transformer. That transformer gives it superior surge capacity for starting inductive loads like motors and compressors. High-frequency inverters are lighter and often less expensive, but they typically handle surge poorly and can shut down under hard start conditions. The tradeoff is physical size and weight — toroidal transformer inverters are heavier. For off-grid applications where reliability under surge matters more than saving a few pounds, low-frequency is the proven choice. This unit delivers that field-tested performance in a compact form factor.
A 100W idle draw on a competing unit wastes roughly 2.4 kWh per day — that comparison comes directly from Victron's own product literature for this inverter. The Phoenix 48/1200 draws 10W standard, saving you roughly 2.16 kWh per day in parasitic loss. Over the 10+ year lifespan of a LiFePO4 system, those saved kilowatt-hours add up to thousands of dollars in generator fuel or grid charging costs avoided. The Phoenix 48/1200 is not the least expensive 1200VA inverter on the market — it is the one that costs you the least to operate over time. That is the math that matters for grid-independent living.
Standard processing time is 2 to 5 business days. Estimated delivery runs 3 to 15 business days depending on carrier availability and your location. This inverter ships free with no minimum order threshold. If you need it integrated into a larger system and want everything to arrive together, contact us before ordering — we can coordinate shipping for multi-component purchases so your battery bank, inverter, and panels arrive on a consolidated schedule.
SKU: 1593080 Categories: , Brand:

The Off Grid Vault Promise

We stand behind every product we sell — because we'd install it on our own cabin.

30-Day Performance Guarantee If it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free Shipping Ships free to your door — no minimums, no surprise freight charges.
Authorized Victron Dealer Warranty claims go through us, not a ticket queue. Genuine Victron product with full manufacturer support.

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About victron Phoenix Inverter

victron is a trusted manufacturer of premium phoenix inverter. OffGridVault is an authorized dealer offering the full victron lineup with free delivery, price match guarantee, and expert support.

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