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3000VA Transformer: https://mercadolivre.com/sec/2YGeyvT 1500VA Transformer: https://mercadolivre.com/sec/1Y9b6v2 1000VA Transformer: https://mercadolivre.com/sec/2jETN2t Before purchasing your 127 and 220v transformer, watch this video and see the main questions that followers have when purchasing a transformer. To avoid making the wrong purchase, watch the entire video. When connected to the electrical grid, autotransformers consume energy for their operation even when they are without load (connected to empty). This internal energy consumption for their operation ends up increasing the value of the energy bill, so it is very important to create a shutdown device for both the load and the autotransformer input to prevent it from continuing to consume energy. This simple action can save a lot on your energy bill in addition to increasing the useful life of your autotransformer. In the video, through a simple calculation, it was possible to prove that just by keeping the transformer or autotransformer connected to the socket for 24 hours, it alone consumed energy equivalent to a monthly cost of more than 20 reais.