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Rockstone Power 3000 Watt Heavy Duty Step Up/Down Voltage Transformer Converter - Step Up/Down 110/120/220/240 Volt - 5V USB Port - CE Certified [3-Year Warranty]

4.2 out of 5 stars 690 customer reviews
| 472 answered questions

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  • 3000 Watts Heavy Duty Step Up/Down Voltage Transformer Converter. Step Up Voltage from 110-120 Volts to 220-240 Volts. Step Down Voltage from 220-240 Volts to 110-120 Volts.
  • Patented Simultaneous 3-Mode Output: 5V USB Port / 120V USA Output Socket / 220V Universal Output Socket.
  • CE Certified. 3-Year Manufacturer's Limited Warranty. Metal Casing. Full Range Fuse Protection. Full Range Over Current Protection.
  • RockStone Power® proudly supports the United States Military since 2001. Shipping is available to all Overseas Military APO/FPO/DPO addresses.
  • Package Contents: Rockstone Power® 3000 Watt Heavy Duty Voltage Transformer Converter, Hardwired Heavy Duty Insulated Power Cord with USA Grounded 3-Prong Plug, American to European Grounded Schuko Wall Outlet Plug Adapter, 2 PCS Spare Fuses, and Instruction Manual.
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$109.58 & FREE Shipping. Details Only 8 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Rockstone Power 3000 Watt Heavy Duty Step Up/Down Voltage Transformer Converter - Step Up/Down 110/120/220/240 Volt - 5V USB Port - CE Certified [3-Year Warranty]
  • +
  • Simran SMF-200 Deluxe 200 Watts Step Down Voltage Converter for International Travel to 220V Countries Ideal for Laptops, Cameras, Phones, iPads etc
Total price: $123.57
Buy the selected items together


Technical Details

Size: 3000 Watt
  • Brand Name: Rockstone Power
  • Model Number: RSP-3000
  • Item Height: 5.75 inches
  • Item Length: 10 inches
  • Item Width: 7 inches
See more technical details

Product Description

Size: 3000 Watt

Rockstone Power? takes pride in being an industry leader in Quality, Technology and Innovation, our factory is the global leader and one of the largest manufacturers in the industry.

Product Features
3000 Watts Heavy Duty Step Up/Down Voltage Transformer Converter. Step Up Voltage from 110-120 Volts to 220-240 Volts. Or Step Down Voltage from 220-240 Volts to 110-120 Volts. Patented Simultaneous 3-Mode Output: 5V USB Port / 120V USA Output Socket / 220V Universal Output Socket. Metal Casing. ON/OFF Switch with LED indicator light. Hardwired heavy-duty insulated power cord with USA Grounded 3-Prong Plug. CE Certified. Full Range Fuse Protection. Full Range Over Current Protection.

Purchase Guide
Rockstone Power? Heavy Duty Step Up/Down Transformers aka Voltage Converters, Voltage Transformers, Power Converters, Step Up Converters, Step Down Converters, Dual Voltage Transformers, are meant for worldwide use for all electronics, heavy duty machines, or household & industrial applications.
For safety reasons, it?s recommended to use a Voltage Converter / Transformer that's max watts is at least 50% higher than your appliance. For example, if your appliance is rated at 1000 watts, you need to buy a Transformer with a max power of at least 1500 watts or greater. Some appliances, such as heating appliances, power tools, motors, laser printers and TVs, require 2-4 times more watts at start up than the printed rated wattage.

What's in the Box
- Rockstone Power? 3000 Watt Heavy Duty Step Up/Down Voltage Transformer Converter - American to European Grounded Schuko Wall Outlet Plug Adapter - 2 PCS Spare Fuses - Instruction Manual

Warranty
Manufacturer 3-year limited warranty. Please contact us via email if you have any questions.


Product Information

Size:3000 Watt
Product Dimensions 10 x 7 x 5.8 inches
Item Weight 26 pounds
Shipping Weight 27.7 pounds (View shipping rates and policies)
ASIN B00CLYMMCC
Item model number RSP-3000
Customer Reviews
4.2 out of 5 stars 690 customer reviews

4.2 out of 5 stars
Best Sellers Rank #93 in Electronics > Accessories & Supplies > Batteries, Chargers & Accessories > Power Converters
Date first available at Amazon.com January 1, 2012

Warranty & Support

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Kenneth J. Fairfax on December 6, 2013
Size: 2000 Watt Verified Purchase
I have lived in 11 countries over the past 30 years, so I've been using transformers just as long. This one works great, handles a significant load, and was surprisingly inexpensive compared to what I'm accustomed to paying. It is not as quiet as some transformers but also not particularly noisy -- just a hum. Similarly, it stays reasonably cool.

I've had other brands of transformers that claimed to be rated sufficiently high but could not really handle their rated load; this one seems to work exactly as advertised. I have this one attached to an espresso/cappuccino machine that draws 1,800 watts and it works fine.

The fact that it came with an extra fuse and an adapter was a nice touch; many transformers ship without those handy little extras.
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Size: 5000 Watt Verified Purchase
This converter is well built, and it drives without any issue any "home" load (i.e. toaster, espresso coffee machines, blenders of any type... ) as well any type of DYT tool (i.e. drills, sanders, etc...). I use it to convert the US mains to the UE standard (110 VAC to 220 VAC): inductive or resistive load, it does the work (despite that one respects the power limit).
It comes well packed in a double carton. I choose the 5kW unit which is - as expected - relatively heavy, but when you buy such a powerful unit, you don't expect something you move all the time. As expected, it slightly warms when under load and, as logical consequence, it emits a slight smell (it the internal transformer sealing resin - and it's totally normal - I am an electrical engineer). Nothing too strong, and that's not a defect IMO but be aware. I keep it in my kitchen and it's not an issue for me and my family.
I bought also another unit (3kW) which is lighter and shares the same quality and performs equally very well.
Definitively a good product.
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Size: 500 Watt Verified Purchase
Ordered this 500 Watt transformer to use an appliance from Korea in the U.S.A. Per the manufacturer, I computed the amount of wattage needed for the appliance and then doubled it. So for example, I computed that my appliance required 210 watts, so I doubled to 420 and rounded up. The appliance I have (from Korea) didn't specify the wattage using "Watt" or "W", but instead said "VA". I believe this is the same or equivalent, but you should check with a qualified electrician if this is the case with your appliance. If your unit shows just Amp or Voltage, you can multiply the two to arrive at Wattage. Again, check with someone who is qualified before using the appliance or ordering a unit so you can ensure you get the correct wattage. My calculations worked well and the appliance has functioned without problems under constant load the entire time without issues at the selected wattage. My understanding is that you'll want to double the wattage due to changes in the flow of electricity and the appliance's peak demands that could exceed the normal wattage used or identified on the back of the appliance. Be careful for laser printers or microwaves (and other high wattage appliances), I believe that can have peak watt use of much greater than their rated wattage. I believe the rule of thumb is to multiply by 3 instead of 2 to arrive at the wattage of transformer you will need. If you live in a country that has inconsistent power delivery, you may consider purchasing a separate unit that regulates the voltage. Some transformers have this built in, but this one does not. If you will be using this transformer in the U.S.A. on a modern electrical circuit, you probably do not need a regulator. I did not purchase one and have had no trouble in the month of so that I've used the unit.Read more ›
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Size: 3000 Watt Verified Purchase
Excellent product for heavy duty or long duration needs for heavy load items such as vacuums, water kettles, etc. A must have. One thing I've noticed over time...the 110V output receptacle plug design seems to be a bit loose, causing some fluctuation to the device being used...makes the Keurig a bit finicky as it occasionally shuts off due to the slip of constant current due to the slight looseness. Putting a bit of pressure on the device plug and holding it steady to transformer solves this issue, but it would be better if the manufacturer designed a better 110V outlet plug for a more snug fit.

Update...also got the 5000W model. This one is also excellent, especially as a safety net for the 2800W vacuum or similar devices, and the outlets have a snug fit. Extremely heavy duty, so you may need a little wheeled dolly for moving around :-)
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Size: 1000 Watt Verified Purchase
For an Indian who travels bag and baggage once every few years and has to deal with ACs and DCs and Voltage Up and Voltage Downs...this was a blessing in disguise. A lesson i have learnt all these years is nothing does it like the good ol mixer grinder from india and this is what you need to compliment that.

It works perfect in the US and UK and i dont see a reason why it would work back in India either.

A 1000 Watts Heavy Duty Step Up/Down it fits the bill bill perfectly as most of the grinders/appliances i have seen/used are between 500-800 watts. Its also got a USB out but i havent bothered using it.It comes with extra fuse and also Pins for converting from Flat to Round or vice-versa. 3 months and having used it almost everyday i think its one of the best investments i have made and for a price that doesnt do it justice!

Absolute must have....
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