This ABT7 transformer supplies alternating current to control circuits while isolating them from mains power.It has a rated input voltage of 230V AC, a rated output voltage of 24V AC 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 motor control centers (MCC).It is ideal for systems accepting low voltage AC power, such as motor protection relays, contactors.