BTL28R3
https://www.stasto.com/shop/btl28r3-magnet-position-measuring-system-m12-4-pin-voltage-10-30vdc-4-20ma-measuring-range-500mm-cable-length-0-30m-158700
https://www.stasto.com/web/image/product.template/158700/image_1920?unique=9cbe55f
magnet-position measuring system; M12; 4-pin; voltage 10...30VDC; 4-20mA; measuring range 500mm; cable length 0,30m
intrastat number: 90318020
weight: 0.01 kg
Short article number: BTL28R3