Compact light barriers, W24-2 Ex, WT24-2X400, switching distance max.: 40 mm ... 2,000 mm, sensor principle: reflection light sensor, detection principle: background suppression, switching output: NAMUR, switching type: light switching, connection type: connector M12, 4-pin, setting: potentiometer, info: Ex II 2G Ex ia op is IIC T4 Gb in accordance with Directive 2014/34/EU PTB 03 ATEX 2105 Within the framework of Directive 2014/34/EU (ATEX) and DIN EN ISO/IEC 80079-34, we would like to point out that the traceability of the ordered device to your customer is your responsibility (documentation of your customer and the associated product data, such as item no., data code, serial no.).