Tdk lambda single output industrial power supply hws15a series tdk lambda hws 15 12a the tdk lambda hws15 a 12 is a single output ac dc power supply from the hws series it has a wide input voltage range of 85 to 265v 47 63hz and an output of 12v 125a the power supply has been designed for long operating life in the field and are backed by a limited lifetime warranty the hws15 is ideal for equipment that is expected to last for more than 10 years or when the cost to send a service tec