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Cylindrical M18 nickel-plated brass sensor with 2 m PVC cable, 60.6 mm long

Sick

Sick VS/VE18-3F3412 Through-beam Photoelectric Sensor PNP

SKU CH-PBS6-HW6N3

M18 cylindrical through-beam sensor detects objects up to 14 m with infrared LED, PNP light-switching output, 250 Hz frequency, and IP67-rated nickel-plated brass housing

  • Through-beam detection reaches up to 20 m maximum range
  • Infrared LED emitter produces a focused 2.8° beam angle
  • PNP light-switching output handles 100 mA at 250 Hz
  • M18 nickel-plated brass housing rated IP67 for harsh environments
  • 2 m PVC cable with 0.14 mm² conductors simplifies installation

Through-beam sensor for industrial detection

The SICK VS/VE18-3F3412 is a through-beam photoelectric sensor designed for industrial automation tasks. It uses infrared LED light to detect objects across distances up to 20 metres. The cylindrical M18 metal housing suits machine mounting where reliable presence sensing is required. This PNP output model suits standard PLC input cards.

Check supply voltage and cable routing

Verify that your control system provides 10 to 30 V DC with ripple below 10 percent before installation. The fixed 2 metre PVC cable has a 3.1 mm diameter and 0.14 mm² conductors, so confirm routing space and termination method match. Ensure the mounting thread M18 x 1 fits your bracket and that the 60.6 mm housing length clears surrounding components. The IP67 rating suits wet or dusty environments.

Potentiometer adjustment and test input

A 270 degree potentiometer allows sensitivity tuning without software tools. The test input lets you disable the sender by connecting TE to 0 V for functional checks during commissioning. Light-switching mode means the output activates when the beam is received. Circuit protection A, B, C and D guard against common wiring faults. The 250 Hz switching frequency supports fast production line cycles.

Highlights

  • Through-beam detection reaches up to 20 m maximum range
  • Infrared LED emitter produces a focused 2.8° beam angle
  • PNP light-switching output handles 100 mA at 250 Hz
  • M18 nickel-plated brass housing rated IP67 for harsh environments
  • 2 m PVC cable with 0.14 mm² conductors simplifies installation

Specifications

BrandSICK
ModelSICK VS/VE18-3F3412

Questions about this item

Does the VS/VE18-3F3412 ship with a reflector or receiver, or must I buy the counterpart separately?

The through-beam principle requires a separate emitter and receiver; the 2 m PVC cable and M18 housing are included, while the mating unit and any mounting brackets are sold separately.

Should I use the 20 m maximum range or the 14 m sensing range when planning my installation?

Design to the 14 m sensing range for reliable detection; the 20 m maximum is a theoretical limit under ideal conditions and the 700 mm spot size at 14 m is the practical reference.

What does the 250 Hz switching frequency mean for my production-line speed?

At 250 Hz the sensor can resolve events spaced 4 ms apart, so objects moving past the 700 mm light spot must remain detectable for at least one cycle to be counted reliably.

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