Contrinex DW-AS-513-M30-002 Inductive Proximity Switch - US SELLER Contrinex inductive proximity sensor, tubular, 30mm diameter x 73.5mm body, chrome-plated brass housing, PNP, N.C. output, 40mm sensing distance, non-flush, 100 Hz switching frequency, IP67, 4-pin M12 quick-disconnect. I believe the item is new/unused, however I listed it as used because we can not find the box or the other pieces which originally came with it. The listing is only for what is shown in the picture. We take our reputation seriously, we buy and sell online, so we understand the value of trust! If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction! Thanks for looking at our listing and supporting our small family business! shelf 49 (box 1) NT