AA020A is a type of low-voltage air circuit breaker manufactured by Eaton. It is designed to provide protection to electrical systems, components, and circuits from short circuits and overloads. The AA020A is a UL listed, 3 pole, 600 VAC/100 VDC, 21/2 frame breaker with a 10 KA interrupt rating. It also has an adjustable instantaneous trip that further increases its protection capabilities. This circuit breaker is suitable for motor reversing, short-circuit, and delayed trips. The AA020A can be used in residential, commercial and industrial applications.