Step-down transformers (voltage transformers) TSZ, TSZI allow, depending on the model, to convert electric current of various initial voltages (220v, 380v and higher, up to 660v) with a current frequency from 50 to 400 Hz, in each case, the output voltage: 12V, 24V, 36V, 42V, 127V, 220V and 380V. Step-down transformers TSZ are specialized electrical devices that allow powering electrical appliances or equipment with voltage of various loads required in each specific case.