The 1121743 is a power proximity sensor with the model number WTT12L-B2553S28. It features a background suppression and optical time-of-flight functional principle, allowing for accurate object detection at a minimum distance of approximately 50 mm and an operational range up to 1,800 mm. The sensor includes multiple switching outputs, such as Q1, Q2, and Q3, with push-pull (PNP/NPN) switching capabilities and a current consumption of around 70 mA. It is available in both new and reconditioned conditions and can be ordered through authorized distributors.
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