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Cylindrical nickel-plated brass sensor with 2 m PVC cable, M18 thread, IP67 rating

Sick

Sick VL18-3P3112 photoelectric retro-reflective sensor PNP

SKU CH-HPH9-60JHB

Detects objects up to 3.7 m with visible red LED, PNP dark-switching output, IP67 metal housing, 10–30 V DC supply, 2 m PVC cable

  • Retro-reflective detection up to 3.7 m with visible red LED
  • PNP dark-switching output handles 100 mA loads at 250 Hz
  • IP67 nickel-plated brass housing withstands –25 °C to +70 °C
  • 2 m PVC cable with 3-wire connection simplifies installation
  • Compact M18 cylindrical design measures 63.6 mm long and weighs 120 g

Sensor type and target use

The Sick VL18-3P3112 is a cylindrical photoelectric retro-reflective sensor with a PNP dark-switching output. It operates on 10 V DC to 30 V DC and connects via a 2 m PVC cable. The M18 x 1 threaded metal housing is rated IP67 and weighs 120 g. It suits automation engineers who need a compact presence detector for conveyors, packaging lines or material-handling cells.

Behaviour under sustained operation

The sensor draws 30 mA and switches at up to 250 Hz with a 2 ms response time. Its visible red LED produces a 2.8° beam that forms a 150 mm spot at 3 m. The sensing range reaches 3.7 m maximum and 3 m typical. The nickel-plated brass barrel and PMMA optics withstand –25 °C to +70 °C continuously. Circuit protection A, B, C and D guard against wiring faults during long shifts.

Installation checks

Verify that the control system accepts a PNP dark-switching signal with a 100 mA maximum load. Confirm the supply stays within 10 V DC to 30 V DC with no more than 10 % ripple. Ensure the M18 x 1 mounting thread and 63.6 mm housing length fit the bracket. The fixed 2 m cable with 0.14 mm² conductors must reach the termination point without extension.

Highlights

  • Retro-reflective detection up to 3.7 m with visible red LED
  • PNP dark-switching output handles 100 mA loads at 250 Hz
  • IP67 nickel-plated brass housing withstands –25 °C to +70 °C
  • 2 m PVC cable with 3-wire connection simplifies installation
  • Compact M18 cylindrical design measures 63.6 mm long and weighs 120 g

Specifications

BrandSick
ModelSICK VL18-3P3112

Questions about this item

How much power does the VL18-3P3112 draw when it runs all day on a 10 V DC supply?

The sensor consumes 30 mA at the supply voltage range of 10 V DC to 30 V DC, with a ripple of 10 %.

What voltage supply and output wiring must already be in place for the VL18-3P3112 to operate?

A 10 V DC to 30 V DC source and a three-wire PNP input capable of 100 mA are required; the sensor ships with a 2 m PVC cable.

Will the VL18-3P3112 work reliably beside older M18 sensors that use a different switching mode?

It uses dark-switching PNP output at 250 Hz; existing M18 mounts and 10 V DC to 30 V DC wiring are compatible, but the logic differs from light-switching units.

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