The Contrinex Retroreflective light barrier LRR-C23PA-NMS-404, also known as a Retro-reflex sensor, features a Dark-ON mode and precise detection capabilities. Designed with a focus on reliability and efficiency, this light barrier is suitable for automation and process control applications. Its robust construction and advanced sensing technology make it ideal for environments requiring accurate object detection. https://elecena.pl/product/29048609/contrinex-620-600-120-retroreflective-sensor-dark-on-io-link-compact 2025-07-04 https://elecena.pl/product/29048609/contrinex-620-600-120-retroreflective-sensor-dark-on-io-link-compact 2026-07-15