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Cylindrical nickel-plated brass sensor M18 radial infrared LED M12 4-pin connector

Sick

Sick VTF18-3F1440 Photoelectric Proximity Sensor PNP M18 10-30V DC

SKU CH-A32S-ABASB

M18 photoelectric proximity sensor with background blanking detects objects from 3 to 90 mm using focused infrared optics and a PNP output on a 4-pin M12 connector

  • Photoelectric proximity sensor with background blanking for reliable detection
  • PNP light-switching output handles up to 100 mA load current
  • Infrared LED with focused 3 mm spot at 50 mm distance
  • Adjustable sensing range from 3 mm to 90 mm via potentiometer
  • IP67 nickel-plated brass housing withstands –25 °C to +70 °C

Sick VTF18-3F1440 photoelectric proximity sensor

The Sick VTF18-3F1440 is a cylindrical photoelectric proximity sensor with background blanking and a radial optical axis. It operates on a 10 V DC to 30 V DC supply and provides a PNP light-switching output rated at 100 mA. The sensing range spans 3 mm to 90 mm with a maximum reach of 100 mm. This sensor suits automation engineers and maintenance technicians who need reliable object detection in compact industrial installations.

Check supply voltage and connector before ordering

Verify that your control system delivers a stable 10 V DC to 30 V DC source with ripple below 10 %. The sensor draws 30 mA and connects via a male M12 4-pin plug, so ensure the matching cable or junction box is available. Confirm that the 2 ms response time and 250 Hz switching frequency meet the timing requirements of your application. The potentiometer allows 270° adjustment of the sensing range for fine-tuning on site.

Nickel-plated brass housing

The metal housing uses nickel-plated brass and measures 75 mm in length with an M18 x 1 thread for secure mounting. Optics are protected by a PMMA cover and the focused light spot reaches 3 mm diameter at 50 mm distance. IP67 rating withstands dust and temporary immersion, while the protection class III design operates safely across –25 °C to +70 °C ambient temperatures. The M12 connector orientation simplifies cable routing in tight machine frames.

Highlights

  • Photoelectric proximity sensor with background blanking for reliable detection
  • PNP light-switching output handles up to 100 mA load current
  • Infrared LED with focused 3 mm spot at 50 mm distance
  • Adjustable sensing range from 3 mm to 90 mm via potentiometer
  • IP67 nickel-plated brass housing withstands –25 °C to +70 °C

Specifications

BrandSICK
ModelSICK VTF18-3F1440

Questions about this item

Does the sensor come with an M12 cable or mounting nuts, or must they be ordered separately?

The unit has a 4-pin M12 male connector; cables and mounting hardware are not included and must be purchased separately.

The sensing range is listed as 3–90 mm and 3–100 mm — which figure should I use for my setup?

Use 3–90 mm as the reliable sensing range; 100 mm is the absolute maximum under ideal conditions.

What does the 250 Hz switching frequency mean for detection speed on a production line?

The sensor can change state up to 250 times per second, allowing reliable detection of objects spaced as close as 4 ms apart at line speed.

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