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Home/Product Catalog/Automation and Control Systems/Control components for automation and control systems/Sensors | Detectors for automation | Control | Management systems/Non-contact photoelectric sensors for automation control | monitoring systems/Non-contact square photoelectric sensors | through-beam type | transmitter + receiver | for object detection in automation
  •   Photoelectric sensor | Through-beam type | Transmitter + receiver | 20m | 32,5x20x12mm | 10-30VDC | NO/NC | PNP | 2m cable | ABS | infrared | IP67
      Photoelectric sensor | Through-beam type | Transmitter + receiver | 20m | 32,5x20x12mm | 10-30VDC | NO/NC | PNP | 2m cable | ABS | infrared | IP67 1
      Photoelectric sensor | Through-beam type | Transmitter + receiver | 20m | 32,5x20x12mm | 10-30VDC | NO/NC | PNP | 2m cable | ABS | infrared | IP67 2

    Photoelectric sensor | Through-beam type | Transmitter + receiver | 20m | 32,5x20x12mm | 10-30VDC | NO/NC | PNP | 2m cable | ABS | infrared | IP67

    Code: PSE-TM20DPB
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    Through-beam photoelectric sensor – a compact yet high-quality device designed for object detection. Its small housing allows easy integration even into very narrow machine or robot enclosures.

    Made of durable PC+ABS plastic with a PMMA lens and IP67 protection rating, the sensor is resistant to dust, moisture, and mechanical impacts, making it ideal for both industrial automation and household system applications. 

  • Product description

    Technical specifications

    Detection type: Through-beam
    Nominal detection distance: 20 m (adjustable)
    Light source: Infrared (850 nm)
    Beam angle: > 2°
    Object detection: ≥ Ø10 mm opaque objects
    Output type: PNP, NO/NC
    Response time: ≤ 1 ms
    Supply voltage: 10…30 V DC
    Current consumption: Transmitter ≤ 20 mA; Receiver ≤ 20 mA
    Load current: ≤ 200 mA
    Voltage drop: ≤ 1 V
    Protections: Short circuit, overload, polarity reversal, and overvoltage protection
    Indicators: Green LED – power and stable signal (flashes if unstable); Yellow LED – output signal / overload / short circuit (flashes)
    Light immunity: Sunlight ≤ 10,000 lux; Lamp light ≤ 3,000 lux
    Operating temperature: -25…+55 °C
    Storage temperature: -25…+70 °C
    Protection rating: IP67
    Housing: PC+ABS plastic
    Lens: PMMA
    Connection: 2m PVC cable
    Certificates: EN60947-5-2:2012, IEC60947-5-2:2012
    Additional functions: NO/NC mode switching (button 5–8 s); Detection distance adjustment (button 2–5 s)

    Functions and operation principle

    Universal design – square plastic housing suitable for many mounting positions.
    High precision – detects small objects.
    Fast response – suitable for systems requiring immediate signal feedback.
    IP67 protection – allows use in humid, dusty, or industrial environments.
    CE certified – meets European safety standards.

    Usage and application

    For home users or hobbyists: Suitable for object detection in workshops or personal automation projects.
    For engineers / automation specialists: Ideal for robotics, production lines, conveyors, counting, and positioning systems.
    For electricians / technicians: Easy installation thanks to the compact housing; clear LED indicators help quickly identify the operating status and possible faults.

    Pros

    Compact plastic housing – suitable for limited spaces

    Resistant to moisture, dust, and vibration

    CE compliance and safety certification

    Cons

    Requires precise alignment between transmitter and receiver

    Cannot detect transparent or light-transmitting objects 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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