Festo SMTO-1-PS-S-LED-24C-151685 Proximity Sensor

Festo SMTO-1-PS-S-LED-24C Proximity Sensor, part number 151685, is a non-contact sensing device from the automation specialist Festo. The SMTO-1-PS-S-LED-24C designation identifies this specific variant within Festo’s proximity sensor lineup, and the LED in the model name suggests a built‑in visual indicator that signals when the sensor is active or detecting objects, which can simplify alignment and troubleshooting on the shop floor. Designed for integration in automated machinery, this sensor detects the presence of nearby objects without contact, providing a digital or analog signal to control logic and enabling precise, repeatable operation in industrial environments. Typical applications include part presence monitoring on assemblies, triggering downstream equipment, or initiating machine sequences where reliable, non‑contact sensing is essential for consistent production flow. The part number 151685 helps ensure you are selecting the correct Festo sensor within the catalog when replacing or upgrading equipment, supporting compatibility with existing controllers and mounting configurations.