The A22NZBNMNRA is a non-lighted, momentary pushbutton switch operation unit from the Omron A22N series. It features a flat button with an opaque red color, housed within a plastic bezel designed for 22mm panel cutouts. As a subassembly, this operation unit is intended to be combined with a mounting collar and contact block to form a complete switch. The A22N series is engineered for control panel miniaturization, offering improved workability and safety features such as a secure locking lever and finger protection. This component is ideal for industrial control panels, machinery, and automation systems requiring a durable and reliable momentary input device.