The Telemecanique Sensors Preventa line of hazardous dust atmosphere sensors are compliant with the global international standard IECEx and the latest European ATEX directive. By choosing a Telemecanique Sensors product for your hazardous dust machine application, you are choosing a sensor that had been tested and certified to perform in a manner compliant with these prominent, established safety standards.
The Preventa line of hazardous dust atmosphere sensors include a wide range of products including limit switches, pressure switches, safety switches, inductive sensors, and speed monitoring sensors.
The Zone System
ATEX (defined by AT: atmosphere and EX: explosive), IECEx and NEC 506 all use the same protection concept called the Zone system. The Zone defines the probability of the hazardous material (dust) being present in sufficient quantities to produce explosive or ignitable mixtures.