{"id":4920,"date":"2026-01-28T16:29:45","date_gmt":"2026-01-28T08:29:45","guid":{"rendered":"https:\/\/atfits.com\/?post_type=product&p=4920"},"modified":"2026-01-28T16:29:45","modified_gmt":"2026-01-28T08:29:45","slug":"sick-wtb27-3p2441-photoelectric-proximity-sensor","status":"publish","type":"product","link":"https:\/\/atfits.com\/es\/producto\/sick-wtb27-3p2441-photoelectric-proximity-sensor\/","title":{"rendered":"SICK WTB27-3P2441 Photoelectric Proximity Sensor"},"content":{"rendered":"

SICK WTB27-3P2441 Photoelectric Proximity Sensor (Order Number: 1027744)<\/h1>\n
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Product Overview<\/h2>\n
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The SICK WTB27-3P2441 is a compact, background – suppression photoelectric proximity sensor from SICK’s W27 – 3 series, designed for reliable long – range object detection in industrial automation. It is ideal for applications like logistics sorting, packaging machinery, and material handling systems, where accurate identification of objects of various sizes, colors, and surface textures is required while ignoring background interference. The sensor uses PinPoint technology with an intense visible red LED light source (660 nm wavelength), ensuring a consistent light spot for precise detection without the need for laser safety compliance. Its rectangular housing with an IP67 protection rating enables reliable operation in harsh industrial environments with dust, moisture, and temperature extremes. The WTB27-3P2441 is CE – certified and RoHS – compliant, featuring a potentiometer for easy sensing range adjustment and an M12 4 – pin connector for quick integration, making it a versatile and robust solution for diverse industrial detection tasks.<\/div>\n
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Main Functions<\/h2>\n
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  1. Long – Range Background – Suppressed Detection<\/strong>: It can detect objects within 100 mm – 1100 mm (with a maximum adjustable range of 30 mm – 1100 mm for 90% diffuse reflectance white objects per DIN 5033), effectively ignoring background surfaces to prevent false triggers, which is suitable for applications with complex backgroundsSICK.<\/li>\n
  2. Adjustable Sensing and Switching Modes<\/strong>: A potentiometer allows precise calibration of the sensing distance, and selectable light\/dark switching modes can be easily adapted to different application logic requirements without complex programmingSICK.<\/li>\n
  3. Complementary PNP Output<\/strong>: The PNP complementary output provides two switching signals (NO and NC), enabling flexible integration with various industrial control systems and simplifying circuit designSICK.<\/li>\n
  4. Stable Sensing Performance<\/strong>: The PinPoint red LED delivers a consistent light spot (\u00d8 15 mm at 500 mm), ensuring reliable detection of multi – colored and textured objects, and it is resistant to ambient light, optical reflections, and crosstalk from other sensors.<\/li>\n
  5. Robust Environmental Adaptability<\/strong>: With an IP67 protection rating and an operating temperature range of – 40 \u00b0C to + 60 \u00b0C, it can withstand harsh industrial conditions such as dust, water jets, and extreme temperature fluctuations.<\/li>\n
  6. Easy Installation and Diagnostics<\/strong>: The M12 4 – pin connector enables fast electrical connection, and built – in green and yellow LEDs indicate power, output state, and light – receiving status, facilitating quick troubleshooting during operation and maintenanceSICK.<\/li>\n<\/ol>\n
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    Technical Characteristics<\/h2>\n
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    Technical Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
    Sensor Type<\/td>\nCompact photoelectric proximity sensor with background suppression<\/td>\n<\/tr>\n
    Sensing Principle<\/td>\nBackground – suppressed diffuse reflection (PinPoint technology)<\/td>\n<\/tr>\n
    Light Source<\/td>\nVisible red LED, 660 nm wavelength<\/td>\n<\/tr>\n
    Sensing Range<\/td>\n100 mm – 1100 mm (90% diffuse reflectance, DIN 5033 standard white); adjustable 30 mm – 1100 mm<\/td>\n<\/tr>\n
    Light Spot Size<\/td>\n\u00d8 15 mm (at 500 mm distance)<\/td>\n<\/tr>\n
    Response Time<\/td>\n\u2264 1 ms<\/td>\n<\/tr>\n
    Switching Frequency<\/td>\n350 Hz<\/td>\n<\/tr>\n
    Output Type<\/td>\nPNP complementary output (NO + NC)<\/td>\n<\/tr>\n
    Maximum Output Current<\/td>\n\u2264 100 mA<\/td>\n<\/tr>\n
    Supply Voltage<\/td>\n10 V DC – 30 V DC<\/td>\n<\/tr>\n
    Current Consumption<\/td>\n\u2264 35 mA<\/td>\n<\/tr>\n
    Protection Rating<\/td>\nIP67 (per IEC 60529)<\/td>\n<\/tr>\n
    Operating Temperature<\/td>\n– 40 \u00b0C to + 60 \u00b0C<\/td>\n<\/tr>\n
    Storage Temperature<\/td>\n– 40 \u00b0C to + 70 \u00b0C<\/td>\n<\/tr>\n
    Connection Type<\/td>\nM12, 4 – pin male connector<\/td>\n<\/tr>\n
    LED Service Life<\/td>\n100,000 hours (at + 25 \u00b0C ambient temperature)<\/td>\n<\/tr>\n
    Adjustment Method<\/td>\nPotentiometer for sensing range calibration<\/td>\n<\/tr>\n
    Certifications<\/td>\nCE, RoHS compliant<\/td>\n<\/tr>\n
    Protection Circuits<\/td>\nReverse polarity, short – circuit, and overvoltage protection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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    Product Dimensions and Weight<\/h2>\n
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    Parameter<\/th>\nMetric<\/th>\nImperial<\/th>\n<\/tr>\n<\/thead>\n
    Overall Width<\/td>\n24.6 mm<\/td>\n0.97 in<\/td>\n<\/tr>\n
    Overall Height<\/td>\n80.6 mm<\/td>\n3.17 in<\/td>\n<\/tr>\n
    Overall Depth<\/td>\n54 mm<\/td>\n2.13 in<\/td>\n<\/tr>\n
    Housing Shape<\/td>\nRectangular (beam exit side)<\/td>\nRectangular (beam exit side)<\/td>\n<\/tr>\n
    Mounting Hole Diameter<\/td>\n5.2 mm<\/td>\n0.20 in<\/td>\n<\/tr>\n
    Net Weight (sensor only)<\/td>\n100 g<\/td>\n0.220 lbs<\/td>\n<\/tr>\n
    Gross Weight (with packaging)<\/td>\n130 g<\/td>\n0.287 lbs<\/td>\n<\/tr>\n
    Housing Material<\/td>\nRobust plastic with PMMA optics<\/td>\nRobust plastic with PMMA optics<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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    Structural Highlights<\/h2>\n
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    1. PinPoint LED Technology<\/strong>: The intense red LED provides a focused and consistent light spot, enabling precise detection of small objects and replacement of laser sensors in some cases without safety regulations.<\/li>\n
    2. Precise Background Suppression<\/strong>: Advanced optical design eliminates scanning distance drift, ensuring stable detection regardless of background variations and preventing false triggers from irrelevant objects.<\/li>\n
    3. User – Friendly Adjustment<\/strong>: The built – in potentiometer allows quick and precise calibration of the sensing range, adapting to different application requirements without complex setup.<\/li>\n
    4. Secure Electrical Connection<\/strong>: The M12 4 – pin connector offers a vibration – resistant interface, reducing signal loss risks in high – motion industrial settings.<\/li>\n
    5. Integrated Status Indicators<\/strong>: Green and yellow LEDs display power on, output state, and light – receiving status, enabling rapid diagnostics and minimizing downtime during maintenance.<\/li>\n
    6. Durable and Compact Design<\/strong>: The 24.6 mm \u00d7 80.6 mm \u00d7 54 mm housing with reinforced mounting holes combines a small footprint with mechanical durability, suitable for space – constrained installations.