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Cylindrical M18 photoelectric sensor with 2 m PVC cable

Sick

Sick VL18-3F3612 Photoelectric retro-reflective sensor PNP

SKU CH-QEWN-M3B6R

A photoelectric retro-reflective sensor with a 3.7 m maximum sensing range, PNP output, and IP67 protection for industrial detection tasks

  • Retro-reflective detection up to 3.7 m range
  • Visible red LED simplifies alignment during setup
  • PNP light-switching output with 250 Hz frequency
  • IP67-rated PBT/PC housing withstands harsh environments
  • 2 m PVC cable allows flexible mounting options

SICK VL18-3F3612 Retro-Reflective Sensor

The SICK VL18-3F3612 is a cylindrical photoelectric retro-reflective sensor with an M18 × 1 thread and 63.6 mm housing length. It emits visible red LED light along an axial optical axis and provides a PNP light-switching output on a 2 m PVC cable. The IP67-rated plastic housing operates from –25 °C to +70 °C.

Ideal for Presence Detection on Conveyors

This sensor suits packaging lines and material-handling systems that need reliable object detection up to 3 m with a 250 Hz switching frequency. It is not for applications requiring background suppression, polarised reflex operation, or sensing distances beyond 3.7 m. Buyers needing teach-in adjustment or a different output logic should consider alternative sensing principles.

10–30 V DC Supply Voltage Decides Compatibility

The unit runs on 10 V DC to 30 V DC with a maximum 30 mA current draw and 100 mA switching capacity. Response time is 2 ms at 250 Hz. Verify that your control voltage falls within this range before installation.

How it compares

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

Price $69.99
Cheaper than about 70% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameSICK
Model nameSICK VL18-3F3612

Questions about this item

Does the M18 × 1 thread and 63.6 mm length fit standard sensor brackets?

The cylindrical housing uses an M18 × 1 thread and is 63.6 mm long, matching common M18 mounting holes and bracket depths.

What supply voltage range and cable length does the sensor require?

It operates on 10 V DC to 30 V DC and comes with a 2 m PVC cable, 3-wire, 3.1 mm diameter.

How do I wire the PNP light-switching output correctly?

Connect brown to +10–30 V DC, blue to 0 V, and black to the load; the black wire goes high when the beam is reflected.

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