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Review title: Not sure what the issue is, but it is not giving me the promised power.
Product review: I wanted to step down 230 / 50 Hz and since the optimization was done for 60Hz, for the devices I planned to use, it did not gave me the correct power output as requested. So for a 1000W 110V, 60 HZ, the step down switched off in 2-3 minutes.Then I used another device of 700W, 110 V 60Hz, and step down worked with out issues, but my device was not performing as it was with the Normal 110V, when I was in USA. So I do not recommend this for any one who need to use 110 V, 60Hz devices.
