ALIF元利富感应开关AL-72P无接点电晶体PNP型AL-72用于C沟槽。AL-72系列有两线的式磁簧管，三线式电晶体NPN/PNP输出，两线的式电晶体D型AL-02P/NAL-39N/PAL-11NPAL-05NAL-40N/PAL-06/PAL-32N/PAL-26N/PAL-72PAL-39N/PAL-51NAL-50NAL-35PAL-34N/PAL-33N/PAL-31N/PAL-06N/PAL-30N/PAL-13N/PAL-12N/PAL-10N/PAL-07N/PAL-02N/PAL-17N/PAL-20N/PAL-21N/PAL-01N/PAL-19N/PAL-17PAL-03N/P)