Leuze PRK318B/4P-M12 Retro-Reflective Sensor | 50116859 | ProSens Automation

Leuze PRK318B/4P-M12 – Polarized Retro-Reflective Photoelectric Sensor, Series 318B

The Leuze PRK318B/4P-M12 is a polarized retro-reflective photoelectric sensor from the Series 318B family. It operates using the reflection principle with a polarization filter, enabling reliable detection of opaque, shiny and reflective objects while suppressing unwanted direct reflections. The M12 connector simplifies installation and replacement in industrial automation systems.

Key Features

• Polarized retro-reflective photoelectric sensor
• Series 318B
• Guaranteed operating range: 0.02 to 4.5 m with compatible reflector
• Typical operating range: up to 6 m
• Visible red LED light source (620 nm)
• Reflection principle with polarization filter
• Dual PNP transistor outputs (Light ON / Dark ON)
• Switching frequency: 500 Hz
• Response time: 1 ms
• Supply voltage: 10–30 VDC
• M12 4-pin connector
• ABS plastic M18 cylindrical housing
• Protection rating: IP67
• Short-circuit and reverse polarity protected
• IEC 60947-5-2 and cULus certified

Where This Sensor Is Used

The PRK318B/4P-M12 is suitable for conveyor systems, packaging machinery, palletizing equipment, intralogistics, automotive production, textile machinery and general industrial automation. The polarized optics provide stable detection of cartons, plastic containers and reflective products.

What's in the Box

Sensor unit only. A compatible Leuze reflector, such as the TKS 100×100 reflector, must be ordered separately.

Buy from ProSens Automation

ProSens Automation is an authorized Leuze dealer based in Erode and Coimbatore region, Tamil Nadu, supplying genuine Leuze sensors across India. Every product comes with full manufacturer warranty. We provide technical support for sensor selection, wiring guidance, and commissioning help. Shipping available across India.

📱WhatsApp us for price & availability—or tap the enquiry button above.

Frequently Asked Questions

What is the sensing range of the PRK318B/4P-M12?

The sensor offers a guaranteed sensing range from 0.02 m to 4.5 m with a compatible reflector and can reach up to 6 m under typical conditions. It is suitable for medium-range object detection applications.

Can this sensor detect glossy and reflective objects?

Yes. The integrated polarization filter suppresses unwanted reflections, allowing reliable detection of shiny and reflective materials. Its IP67 enclosure also makes it suitable for demanding industrial environments.

What is included with the sensor?

The package contains the sensor only. A compatible reflector, such as the Leuze TKS 100×100, must be ordered separately.

Where can I buy the Leuze PRK318B/4P-M12 in India?

ProSens Automation is an authorized Leuze dealer in Erode and Coimbatore region, Tamil Nadu. We supply genuine Leuze products across India with full manufacturer warranty. WhatsApp us for pricing and delivery timeline.