Allen-Bradley 1492-MCAA120 is a 1-pole molded-case circuit breaker rated for 20 A at 120/240 V AC. It belongs to the 1492 series and uses a thermal-magnetic (MC) mechanism, with a ½ inch (12.7 mm) width per pole and DIN rail mounting, delivering up to a 10 kA interrupting rating. Designed for panel-mounted protection in industrial equipment and control circuits, it features standard terminals for connection in 120/240 V AC applications.
