🔷 SensoPart FR 50 RL-PAL4 SensoPart FR 50 RL-PAL4 – Rectangular Retro-Reflective Sensor with Red Light and Polarization Filter, NPN Output, Cable Type The FR 50 RL-PAL4 is a robust retro-reflective sensor with red light LED and integrated polarization filter for precise detection of shiny or mirror-like surfaces. Designed in a rectangular housing, this sensor offers an NPN output and durable cable connection, ensuring stable integration in industrial automation systems. Description • Retro-reflective sensor with polarization filter for high-reliability detection of reflective objects • Red light LED ensures precise alignment and visual feedback • NPN output, light switching behavior (PAL version) • 50 series rectangular housing for compact integration • Cable connection (4-wire) for flexible installation • Ideal for bottle detection, packaging inspection, logistics automation Product Data Specification Details Model FR 50 RL-PAL4 Sensor Type Retro-reflective with polarization filter Light Source Red light (LED) Output Type NPN, Light Switching Housing Type Rectangular (50 series) Connection Type Cable, 4-wire Sensing Distance Several meters (with standard reflector) Mounting Universal mounting with optional brackets Protection Class IP67 Operating Temp. –25 °C to +60 °C Key Application Areas Transparent object detection, conveyors, labeling