Laser Beam Photoelectric Sensor – 20 m Through-Beam Industrial Switch (IP65)
A long-range laser photoelectric sensor designed for reliable object detection up to 20 metres. Featuring IP65 protection, 12 V supply compatibility, and switching output, this industrial through-beam sensor is ideal for conveyors, automation systems, security barriers, and production line monitoring.
This cylindrical laser photoelectric switch sensor provides accurate and stable object detection using a through-beam (opposed) detection method. The transmitter emits a focused light beam to a dedicated receiver. When the beam is interrupted, the sensor switches its output signal, enabling reliable detection even over long distances.
With a sending distance of up to 20 metres, the sensor is suitable for large machinery, warehouse systems, material handling lines, and perimeter monitoring applications.
The compact threaded housing supports easy installation in mounting brackets, panels, and machine frames. With IP65 ingress protection, it is suitable for industrial environments exposed to dust and light water spray.
Variants are available in different output configurations (NPN / PNP, normally open / normally closed) to suit PLCs, relay modules, and digital input systems.
Key Features
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Long-range detection up to 20 m
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Through-beam (opposed) detection method
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High switching reliability
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12 V DC supply compatibility
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IP65-rated housing
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180° detection angle
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Compact cylindrical threaded body
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Suitable for PLC digital input integration

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