ATO variac transformers are ISO and CE certified and provide continuous control of AC output voltage. Variable transformers can be single-phase or three-phase. These variable automatic transformers provide distortion-free output and are suitable for testing sensitive electrical appliances or equipment. These variable transformers are designed with cutting-edge technology to ensure consistent linear regulation of the output voltage in a controlled manner.

Efficient and portable is its feature. It is equipped with a voltmeter to provide continuous and smooth adjustable AC voltage. Essential test / control equipment for laboratories, colleges, electrical test rooms and industrial / commercial locations. See more detail: https://www.ato.com/variac-voltage-regulator