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Cylindrical M18 photoelectric sensor, plastic PBT/PC housing, M12 4-pin connector, IP67

Sick

Sick VTF18-3F5640 Photoelectric Proximity Sensor PNP

SKU CH-MSRS-N5KDC

Cylindrical photoelectric proximity sensor with background blanking, PNP output, M18 thread, 45 mm sensing range, IP67 rated

  • Photoelectric proximity sensor with 0–45 mm sensing range
  • PNP light-switching output delivers 100 mA switching current
  • IP67 enclosure resists dust and water ingress
  • Operates reliably from –25 °C to +70 °C
  • M12 4-pin connector simplifies installation

Sensor type and target user

The Sick VTF18-3F5640 is a cylindrical photoelectric proximity sensor with background blanking, designed for engineers and electricians who need reliable object detection in automation or machinery setups. Its M18 x 1 threaded housing and axial optical axis suit standard mounting points in industrial environments.

Deciding specification

The sensor operates on a 10 V DC to 30 V DC supply and provides a PNP light-switching output with a maximum load of 100 mA, making the output type and voltage range the critical match for your control circuit. A 4-pin M12 male connector completes the electrical interface.

Behaviour under sustained load

Rated IP67 with a PBT/PC housing and PMMA optics, the unit withstands dust, water ingress and ambient temperatures from –25 °C to +70 °C during continuous operation. A 250 Hz switching frequency and 2 ms response time maintain consistent detection cycles, while circuit protection A, B, C and D guards against wiring faults over long shifts.

Highlights

  • Photoelectric proximity sensor with 0–45 mm sensing range
  • PNP light-switching output delivers 100 mA switching current
  • IP67 enclosure resists dust and water ingress
  • Operates reliably from –25 °C to +70 °C
  • M12 4-pin connector simplifies installation

Specifications

BrandSick
ModelSICK VTF18-3F5640

Questions about this item

What does the 45 mm sensing range mean when the sensor is installed?

The sensor reliably detects objects from direct contact up to 45 mm away; the absolute maximum reach is 50 mm under ideal conditions.

How does the M12 4-pin connector limit the wiring options?

The M12 4-pin male connector accepts standard 4-wire cables for 10–30 V DC supply and PNP light-switching output up to 100 mA.

What mounting clearance does the M18 × 1 thread and 78 mm body need?

An M18 clearance hole and 78 mm axial depth are required; the cylindrical plastic housing fits standard M18 brackets.

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