Victron Energy Autotransformer 120/240V AC | Step Up/Down & Split-Phase Balancing
4.1 (9)
$591.25$99.73
Buy the Victron Energy Autotransformer 120/240V AC online for $99.73—enable split-phase output from a single inverter or step up/down voltage, now 83% off.
In Stock
Style
Style
32A
100A
-
1
+
Get it in 3–5 business days.
22 people are viewing this item.36 sold today.Only 11 left in stock.
The Victron Autotransformer is an essential accessory for creating 120/240V split-phase from a single 120V inverter, or for stepping voltage up/down. At $99.73 (compare at $591.25), it's a highly affordable solution.
Ground relay: For use with MultiPlus or Quattro inverter/chargers
Split-Phase Alternative
Instead of stacking two 120V inverters, use a 240V inverter with this autotransformer to produce split-phase. Saves cost and simplifies wiring.
Protection
Built-in temperature protection disconnects on overheating; manual reset. Includes ground relay for safe integration with Victron systems.
Why Buy Here
At $99.73, this is a 83% saving off the original price. Free shipping over $45, and coupon code SAVE15 saves an extra 15%.
Compatibility
Ideal for MultiPlus, Quattro, and other inverters. For split-phase setups, ensure your inverter is rated for the total load.
Features
Create 120/240V split-phase from a single inverter—avenue to high-power appliances at 83% off.
Temperature protected with manual reset—engineering reliability at the lowest price.
Includes ground relay for seamless integration with Victron systems—value beyond compare.
Power: 100A continuous
Weight: Approx. 7.5 kg
Voltage: 120/240V AC
Frequency: 60Hz
Protection: Thermal overload
Ground Relay: Yes
Product Type: Autotransformer
Seller: ChargeWise Systems
Product Details
Unlock Split-Phase Power
The Victron Autotransformer lets you run 240V appliances from a single inverter. Normally priced at $591.25, you pay just $99.73. Save 83% today.
Simple and Safe
With thermal protection and a ground relay, it's designed for safe and reliable operation. Step voltage up or down easily.
Order Now
Add this essential accessory to your system and save. Free shipping over $45, plus extra 15% off with code SAVE15.
Frequently Asked Questions
How do I configure a Victron Autotransformer for 120/240V split-phase with one inverter?
Connect the inverter's 120V output to the autotransformer's input. Then, wire the loads across the 120/240V output terminals. Ensure the inverter is sized for the total load and properly configured with the ground relay.
Victron Autotransformer vs stacked inverters – which is better?
Using an autotransformer with a single 240V inverter is simpler and often cheaper than stacking two 120V inverters. It also reduces wiring and saves space, making it ideal for many installations.
How do I wire the Victron Autotransformer ground relay?
Connect the ground relay to the inverter's grounding point as per the manual. This ensures proper safety grounding when operating in split-phase mode.
Where can I buy this autotransformer at the best price?
Get it here for only $99.73—the best price online. Use code SAVE15 for an extra 15% discount.
4.1★★★★★★★★★★(9)
5 ★4
4 ★3
3 ★1
2 ★1
1 ★0
Customer Reviews
9
★★★★★★★★★★5.0
z**m
Works as advertised
Now I have 240V for my well pump. Great.
★★★★★★★★★★4.0
p***x
Good solution for split phase
I used this autotransformer to get 120/240V split-phase from a single inverter. It works perfectly, and the build quality is solid. The only downside is the weight; it's heavier than I expected.
★★★★★★★★★★5.0
w*g
Verified
Transformed my setup
I was struggling to power my 240V well pump with my 120V inverter system. This autotransformer solved the problem instantly. Installation was straightforward, and it handles the current without any issues. Victron quality is top-notch. Highly recommend for anyone needing split-phase or voltage conversion.
★★★★★★★★★★3.0
b****b
Verified
Does the job, but expensive
It's a quality unit and works fine, but the price is steep. I found cheaper alternatives, but I went with Victron for reliability. It does exactly what it should, but I wish I could have gotten it at a better discount.
★★★★★★★★★★5.0
i**k
Verified
Excellent for 240V needs
I have a 240V water heater and was limited to 120V before. This autotransformer steps up the voltage without any issues. It's well-built, and the wiring diagram was clear. It's now an essential part of my off-grid system. Works flawlessly.
★★★★★★★★★★4.0
j**s
Verified
Good, but heavy
The autotransformer performs as expected. It's a bit heavy and bulky, but that's typical for transformers. The connection terminals are solid, and it runs cool even under load. I've had it for a few months now with no problems.
★★★★★★★★★★5.0
v**a
Best purchase for my solar system
I use this autotransformer to balance loads between two legs of my split-phase system. It works perfectly and has reduced my generator run time. The instructions were clear, and the unit is very durable. I recommend it to anyone with a Victron inverter system.
★★★★★★★★★★2.0
d*e
Verified
Not as described
The product page says it's a 120/240V autotransformer, but I couldn't get it to work with my setup. It might be me, but the documentation is confusing. I ended up returning it. Disappointed.
★★★★★★★★★★4.0
b***l
Great for converting
I needed to step down 240V to 120V for a small workshop, and this did the job perfectly. It's built like a tank, and installation was easy. The only reason for 4 stars is the lack of a mounting bracket included, but I used a cable tie.