This Telemecanique XS508B1PAL2 Optimum series inductive proximity sensor has a metal 8-mm tubular body that is flush mountable and detects, without contact, a metal object within its magnetic field to count or monitor. It has 3-wire DC wiring for PNP input, a normally open (NO) contact output, and a 2-m electrical cable and is durable for use with repetitive functions. Founded over 90 years ago, Telemecanique Sensors is an independent brand of Schneider Electric, specializing in sensors and sensor-related technology. Telemecanique Sensors is a global player, present in more than 20 countries, with products distributed worldwide through a broad network of partners. Focused on 3 core values – Simplicity, Proximity and Expertise – we are experts in factory automation sensors as well as specialists in demanding applications, making our customers' lives "simply easy! "