The AML21HBA2BA is a non-lighted electronic control pushbutton switch from the AML21 series. It is configured with a square housing, a protective black full guard bezel, and is non-illuminated. This switch provides momentary action with a 1-pole, double-throw circuitry utilizing gold contacts, making it suitable for low-energy applications. It features .110 x .020 inch terminals compatible with solder or quick-connect methods. As a UL recognized and CSA certified component, this switch is well-suited for a variety of industrial and commercial control panel applications.