Product Details
- Color: Black
- Brand: Goldsource
- Model: STU-3000
- Dimensions: 7.00" h x
6.00" w x
9.00" l,
26.00 pounds
Features
- Step Up/Down transformer converts 220-240 volts down to 110-120 Volts or 110-120 volts up to 220-240 volts.
- Simultaneous 3-mode Output: 5V (USB) / 120V (Standard US outlet) / 220V (Universal outlet)
- Four input voltages selectable: 110V/120V/220V/240V
- All range fuse protection with two spare fuses included.
- CE certified & 3-year manufacturer's limited warranty.
Product Description
Made by one of the leading manufacturers in the industry, the Goldsource ST series step up/down voltage transformers offer you a safe, reliable, affordable & convenient solution to converting voltages from 110-120 volts up to 220-240 volts or from 220-240 volts down to 110-120 volts for both home use & industrial applications. The ST-3000 is rated at 3000 watts maximum. It features a heavy-duty cord with a standard US 3-prong plug plus a free American to German outlet plug adapter. There are a total of two grounded outputs on the front panel, one is designated for 120 volts and the other is for 220 volts only. They both are standard US outlets and can be used simultaneously. For safety, it's recommended by the manufacturer that the voltage transformer's maximum power should be equal or greater than the power rating of your appliance multiplied by 1.5. For example, if you have an appliance rated at 100 watts, you will need to pick a transformer with a maximum power of 150 watts or greater.
Customer Reviews
Most helpful customer reviews
44 of 46 people found the following review helpful.
By Howard Fidel
The transformer works as specified. I tested it at 1440 watts load with 208 VAC input, the load being 1240 watts at 120 VAC and 200 watts at 220 VAC. The transformers temperature rise was reasonalby, although the iron laminations don't seem big enough for 3KW. I opened the unit up, and was horrified! The product is labeled as CE marked and manufactured to ISO9001. I frankly don't believe it! There was hot glue holding many of the parts to the panels, the soldering was of poor quality, with burn marks on the wires, and wires soldered to the boards and connectors with being mechanically attached, just the solder keeps the wire in place. This does not meet standard. The power cord is 16 AWG wire, which at 220 VAC input is OK, but 120 VAC with a 30 amp fuse is undersize by at least 2 wire gauges. The plug is also only rated at 15 amps, so there is no way to get 3 KW out of this transformer with 120 VAC input on a houselhold outlet. It could deliver 3 KW with a 220 VAC input. I plan on using only the transformer and the enclosure, I will rewire it and hope it holds up. I have documented this with photographs and a written review.
21 of 21 people found the following review helpful.
By Bill
Not durable: The Goldsource converter died after 3 months of purchase. We did not use it heavily, but it still failed so quickly. It is not easy to find the repair from the warranty.
17 of 18 people found the following review helpful.
By Brian D. King
I bought this transformer to use in Brazil so that I could take my 110v 60hz American products and use them in a 220v 50hz system in Brazil. The product is well equipped to do this. It has different settings for input of 110v, 120v, 200v, 220v, or 240v. You easily select the voltage that will be coming in by moving a plug in the back. The power cord is a standard USA polarized plug with ground, but in the box it comes with a plug adapter for Europe. This didn't help me too much in Brazil, but it is not a big deal to get a $1 or $2 plug adapter to make it fit here or anywhere else.After you plug it in, switch it on, and then you have two options on the front from which to get power. You can receive either 110v or 220v via two USA type outlets (with ground) in the front. Then just plug in your electronic equipment and bingo, you have the correct voltage and hertz to not burn out your motors! I am using the product to step down the voltage to 110v for my stuff, but the product works exactly the same for switching the voltage up to 220v as well.The product is heavy at something like 25 pounds. This could be a problem if you are planning just a short term trip, because it will overload the weight of your bag quickly.I think it is a great product, but I have wondered how long it can run a current through it without trouble. I wondered this after I used it to run a HEPA purifier in my room, because it was running continuously. After 8-10 hours it started to get a lot hotter than it did when only running for 1 or 2 hours. I stopped using it continuously and it works fine. It does come with some extra fuses, presumably because some are expected to be blown from a surge in the system or something. I don't know if prolonged usage at a single time will overheat the unit, but it seems a possibility.I definitely recommend it if you are planning a move overseas and want to keep your current electronics!
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