This ABT7 transformer supplies alternating current to control circuits while isolating them from mains power.It has a rated input voltage of 230V to 400V AC, a rated output voltage of 115/230V AC thanks to its double secondary winding, and a rated power of 320VA.It offers an economic way to supply each consuming load individually, or by groups of loads, in applications such as mining, refining.It is ideal for systems accepting low voltage AC power, such as motor protection relays, contactors.