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Cylindrical M18 plastic sensor, 63.6 mm long, 2 m PVC cable, IP67 rating

Sick

Sick VTF18-4P5712 Photoelectric Proximity Sensor PNP

SKU CH-NGAT-RWHQ7

Detects objects up to 45 mm away with focused infrared optics and adjustable sensing range via potentiometer

  • Background-blanking photoelectric sensor ignores objects beyond 45 mm
  • PNP light/dark switching selectable via control cable for flexible logic
  • 10–30 V DC supply with 250 Hz switching frequency suits fast automation
  • IP67-rated PBT/PC housing withstands –25 °C to +70 °C environments
  • 2 m PVC cable with 4-wire connection simplifies installation

What this sensor does

The Sick VTF18-4P5712 is a cylindrical photoelectric proximity sensor with background blanking and a PNP switching output. It detects objects using an axial infrared LED beam focused to a 3 mm spot at 25 mm distance, making it suitable for presence checks in automation and machine-building tasks.

Check your wiring and mounting first

The unit needs a 10 V DC to 30 V DC supply with no more than 10 % ripple and draws up to 30 mA. It connects via a 2 m, 4-wire PVC cable with 0.14 mm² conductors and an M18 × 1 thread for mounting. Verify that your controller accepts a PNP light/dark selectable signal and that the 100 mA maximum output current is sufficient.

Thermals, noise and power in normal use

The sensor operates silently with no moving parts and a typical power consumption of 30 mA at the rated voltage. Its plastic PBT/PC housing and PMMA optics are rated IP67, so performance stays consistent across the –25 °C to +70 °C ambient range without active cooling or audible noise.

Highlights

  • Background-blanking photoelectric sensor ignores objects beyond 45 mm
  • PNP light/dark switching selectable via control cable for flexible logic
  • 10–30 V DC supply with 250 Hz switching frequency suits fast automation
  • IP67-rated PBT/PC housing withstands –25 °C to +70 °C environments
  • 2 m PVC cable with 4-wire connection simplifies installation

Specifications

BrandSICK
ModelSICK VTF18-4P5712

Questions about this item

What comes with the sensor and do I need to buy a mounting nut or cable separately?

The sensor has a 2 m PVC cable permanently attached with four 0.14 mm² conductors, so no separate cable is required. The M18 × 1 threaded housing uses a standard mounting nut, which is not included in the box.

The listing shows a single model VTF18-4P5712 — are there different sensing-range versions to choose from?

This model has a fixed maximum sensing range of 0 mm to 50 mm and a usable range of 0 mm to 45 mm; no alternative range versions exist for this part number.

How does the 250 Hz switching frequency affect detection on a fast conveyor line?

At 250 Hz the sensor can resolve objects spaced about 4 mm apart when the belt moves at 1 m/s, and the 2 ms response time adds only 2 mm of positional uncertainty at that speed.

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