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Cylindrical M18 plastic sensor with 2 m PVC cable and radial optical axis

Sick

Sick VL18-3P3912 photoelectric retro-reflective sensor PNP

SKU CH-TH6M-X4Y6C

M18 cylindrical retro-reflective sensor detects objects up to 3.7 m with visible red LED, PNP dark-switching output, 250 Hz frequency, IP67-rated PBT/PC housing, and 2 m PVC cable

  • Detects objects up to 3.7 m away with visible red LED light
  • PNP dark-switching output delivers reliable 100 mA signal for control systems
  • IP67-rated PBT/PC housing withstands dust, water and –25 °C to +70 °C
  • 2 m PVC cable with 3-wire 0.14 mm² conductors simplifies installation
  • 250 Hz switching frequency and 2 ms response suit fast automation cycles

Industrial sensing component

The Sick VL18-3P3912 is a photoelectric retro-reflective sensor with PNP output designed for industrial automation tasks. Its cylindrical M18 housing suits machine builders and maintenance engineers who need reliable object detection on conveyors or packaging lines.

Build integration requirements

The sensor operates on 10 V DC to 30 V DC supply and connects via a 2 m three-wire PVC cable with 0.14 mm² conductors. An IP67 enclosure rating and –25 °C to +70 °C temperature range allow direct mounting on machinery without additional protective enclosures.

Included connection and adjustment

A 270° potentiometer provides sensitivity adjustment for the 0.05 m to 3 m sensing range using visible red LED light. Dark-switching PNP output delivers up to 100 mA at 250 Hz switching frequency, while circuit protection A, B, C and D safeguards the electronics.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $78.99
Cheaper than about 62% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameSICK
Model nameSICK VL18-3P3912

Questions about this item

What is the maximum sensing range of the VL18-3P3912 sensor?

The maximum sensing range is 0.05 m to 3.7 m when used with a suitable reflector.

What is the enclosure rating and operating temperature range for continuous operation?

It has an IP67 enclosure rating and operates from –25 °C to +70 °C.

What supply voltage and output type does this sensor require?

It requires 10 V DC to 30 V DC and provides a PNP dark-switching output with 100 mA maximum current.

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