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    Picture of Infrared Light Curtain, 16/20/24/32/36 Beam Picture of Infrared Light Curtain, 16/20/24/32/36 Beam Picture of Infrared Light Curtain, 16/20/24/32/36 Beam

    Infrared Light Curtain, 16/20/24/32/36 Beam

    1 review(s) | Add your review
    SKU: SUCH-SLC-AY20A
    $223.77
    ● Infrared light curtain for machine safety guarding ● 16-36 beams with 10mm/20mm beam spacing ● NPN/PNP output for safety relay or PLC control ● IP55 Aluminum housing for conveyor & factory use
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    🚚 Free shipping
    🕒 Delivery date: 6-12 days
    🔁 30-day Returns
    Overview

    Infrared light curtain is a machine safety sensor designed to detect people, hands, or objects entering a hazardous working area. It uses multiple infrared beams to monitor the protected zone and sends a signal when the beam is interrupted, helping improve operator safety and machine guarding. With optional beam numbers, 10mm/20mm beam spacing, NPN/PNP output, and IP55 protection, this infrared light curtain is suitable for automation engineers, machine builders, and safety system integrators.

    Feature

    • Ultra-thin Design: The infrared light curtain features an ultra-thin design, making it portable and compact, and allowing for close installation on equipment.
    • Rugged and Durable: Utilizing a robust aluminum alloy casing, it is resistant to torsion, impact, and collision.
    • Direct Wiring: The direct wiring design of the infrared light curtain sensor saves space, minimizes blind spots, and simplifies wiring.
    • Highly Sensitivity: Employing a high-precision chip, it boasts fast response, stable signal, long service life, and is not easily damaged.

    Dimension (Unit:mm)

    Infrared light curtain size

    Difference between pitch 10mm and 20mm

    Difference of infrared light curtain spacing distance

    Wiring

    Infrared light curtain wiring

    Specs
    Output Type Transistor output (NPN/PNP)
    Optical Axis Distance 10mm, 20mm
    Detect Precision 20mm, 30mm
    Protection Length 0.2-2m/0.2-5m
    Protection Height (Number of beams - 1) * optical axis spacing
    Operating Voltage DC 24V±10%
    Operating Current <200mA
    Response Time <20ms
    Protection Level IP55
    Diagnostic Coverage/DC >99%
    Operating Temperature -10°C~+55°C
    Environment Humidity 20°C, RH<85% (no condensation)
    Mean Time Between Dangerous Failures 120a
    Anti-light Interference 10000Lux incident angle >5°
    Anti-vibration Frequency: 10~55Hz, Amplitude: 0.35mm
    Impact Resistance 15g, 16ms, X, Y, Z axes, 1000 cycles per axis
    Application
    Product Testing

    Product Testing

    Hazard Protection

    Hazard Protection

    Human Protection

    Human Protection

    FAQ
    ❯

    A light curtain is a safety device that uses multiple infrared beams to detect objects entering a hazardous area and stop the machine to protect operators.

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    An infrared light curtain works by sending multiple infrared beams from an emitter to a receiver. When all beams reach the receiver, the system sees the area as safe. If any beam is blocked, the infrared light curtain sensor immediately sends a stop signal to shut down the machine, providing safety protection.

    ❯

    Mount the emitter and receiver opposite each other, align the beams, connect the wiring to the safety controller, and set the correct safety distance based on the machine’s speed and risk level.

    1 review(s)
    5.0 1
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    Grant | 5/26/2026 12:52 AM
    Straightforward infrared light curtain, no fuss install at all
    Needed a reliable infrared light curtain for an automated palletizer project we were wrapping up. Went with the 24-beam version. Wiring it into our safety relay panel was painless since the pinouts actually make sense. Zero issues through three shifts of testing today. Good bit of gear for the money.
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