The A22L02M is a momentary action switch unit designed for lighted pushbutton applications. It features a Double-Pole, Single-Throw Normally Closed (DPST-NC) contact configuration. This switch unit, part of the A22 series, is designed for circuits without a transformer and is intended to be combined with an operational unit and a lamp to form a complete switch. It is suitable for industrial control panels and machinery requiring a momentary, normally-closed circuit and can be installed in 22 mm or 25 mm diameter panel cutouts.