Tdk lambda single output acdc industrial power supply hwsme series no cover tdk lambda hws 50a 12me the tdk lambda hws 50a 12me is an acdc power supply unit this industrial grade single output power supply has a power rating of 516w this model is ul 60601 1 and medical approved and suitable for non stop operationthe 12v psu operates from a universal input of 85 to 264v ac and is highly efficient compact and environmentally friendly tdk lambda hws 50a 12me acdc psu module