The AH164-TLR11E3 is an illuminated pushbutton switch manufactured by Fuji Electric, featuring a flush rectangular head operator with flat LED lamp and momentary action. This switch is rated for 24V DC operation and provides 1NO+1NC (one normally open, one normally closed) contact configuration, making it suitable for control panel and industrial machine applications. The LED lamp operates at 14mA consumption at 24V DC, ensuring efficient power usage. The unit is designed for reliable operation in complex multifunctional control systems, with confirmed contact reliability at 1mA circuit conditions at 5V AC or DC. Common applications include machine tools, industrial machines, control panels, and distribution panels where illuminated feedback and dual-state contact switching are required.