

Product Details
- Color: Black
- Brand: Goldsource
- Model: STU-300
- Dimensions: 5.00" h x
4.00" w x
6.00" l,
6.00 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-300 is rated at 300 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
11 of 11 people found the following review helpful.Does the job..only one issue
By Bradford Roberts
Been working great...have bought 3. Be sure to get enough wattage...you are supposed to get 2x the amount of wattage you will be using. We had one blow for this reason.One other issue is that the power cord pulls out partially from the back of the unit.Nothing to compare so am happy to have something that works. Have been using for the past year on continuously.
13 of 14 people found the following review helpful.Did what it said it was going to do.
By Hummer5665
I had the thing running in Ghana (Africa) 24/7 for 6 weeks powering a TV, laptop, phone and camera charger. Never had an issue. Makes a small hum for a second when your turn it on, then its silent after that. And its pretty tough too because i definitely dropped it a few times (with a few dents) and it just kept on truckin'.
3 of 3 people found the following review helpful.Does the job, but wrong plug...
By BB
We live in the US, and purchased this transformer to use in Italy. It turns out that the adapter provided does not fit in European outlets. It worked fine after we purchased an additional plug adapter. I had hoped (and had assumed from the picture, and previous reviews) that the correct adapter was included. However, the diameter of the prongs is slightly larger than is required for the outlets in our hotels in Italy. I would still recommend it, just make sure you have the appropriate plug adapter.
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