The Baco L21AA03-3E10, a 22 mm black flush-mount momentary pushbutton with a chrome bezel and a 3-position clip. This compact pushbutton features 1 normally open (NO) contact, providing clear on/off signaling for start, go, or confirmation functions in panel installations. The flush bezel delivers a sleek, vandal-resistant profile ideal for clean-room environments or equipment housings, while the 22 mm format ensures straightforward integration into standard control panels.