The AH164-TL5W11E3 is an illuminated pushbutton switch manufactured by Fuji Electric, featuring a flush rectangular head design with flat LED lamp technology. This switch is configured with 1NO+1NC (one normally open, one normally closed) contacts and operates in alternate action mode, making it suitable for applications requiring maintained switching states. The unit is rated for 24V DC operation with LED consumption of 14 mA, providing reliable visual feedback in control panels and industrial machinery. With a 16 mm diameter hole mounting requirement and panel thickness accommodation of 4 mm maximum, this switch integrates seamlessly into standard industrial control interfaces. The AH164-TL5W11E3 is approved by UL, CSA, and TÜV, ensuring compliance with international safety standards for use in machine tools, industrial machines, control panels, and distribution panels.