Tdk lambda single output enclosed acdc industrial psu hwsamea series tdk lambda hws 50a 12mea the tdk lambda hws 50a 12mea is an ac dc enclosed power supply unit this industrial grade single output power supply has a power rating of 516w and is ul 60601 1 and medical approvedthe 12v psu operates from a universal input of 85 to 264v ac and is highly efficient compact and environmentally friendly the psu is supplied with a cover tdk lambda hws 50a 12mea acdc psu module