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Cylindrical plastic photoelectric proximity sensor with M12 connector

Sick

Sick VTF18-3N1740 Photoelectric proximity sensor NPN

SKU CH-6QA7-7D1WJ

Photoelectric proximity sensor detects objects at 3 mm to 90 mm with NPN dark-switching output and IP67 enclosure

  • Infrared LED detects objects up to 100 mm
  • NPN dark-switching output responds in 2 ms
  • IP67 housing withstands –25 °C to +70 °C
  • M12 4-pin connector simplifies installation
  • Potentiometer allows precise sensing-range adjustment

SICK VTF18-3N1740 Photoelectric Proximity Sensor

The SICK VTF18-3N1740 is a cylindrical photoelectric proximity sensor designed for industrial automation and electrician toolkits. It uses infrared LED light to detect objects without physical contact and provides a dark-switching NPN output suitable for PLC inputs.

Sensing Range 3 mm to 90 mm with 100 mm Maximum

The sensor reliably detects targets from 3 mm up to 90 mm, with a maximum sensing range extending to 100 mm depending on target reflectivity. A built-in potentiometer allows precise adjustment of the switching point for the application. Response time is 2 ms, supporting fast production line speeds.

IP67 Plastic Housing with M12 4-Pin Connector

The housing is constructed from plastic with PMMA optics and achieves an IP67 enclosure rating for dust and water resistance. It operates across an ambient temperature range of –25 °C to +70 °C. Connection is made via a standard M12 4-pin male connector, simplifying installation and cable replacement in the field.

Highlights

  • Infrared LED detects objects up to 100 mm
  • NPN dark-switching output responds in 2 ms
  • IP67 housing withstands –25 °C to +70 °C
  • M12 4-pin connector simplifies installation
  • Potentiometer allows precise sensing-range adjustment

Specifications

BrandSick
ModelSICK VTF18-3N1740

Questions about this item

Will the M12 4-pin connector on this VTF18-3N1740 sensor mate with my existing M12 cables?

Yes, the sensor uses a standard M12 male connector with 4 pins, so it will connect directly to compatible M12 cables you already have.

How can I verify the sensor is detecting correctly after wiring it to my 10 V DC to 30 V DC supply?

Apply power, place an object within the 3 mm to 90 mm sensing range, and confirm the NPN output switches low (dark switching) with a response time of 2 ms.

Does the box include the M12 mating cable or mounting brackets, or must I order them separately?

The sensor ships as the sensing head only; the M12 4-pin mating cable and any mounting hardware are sold separately.

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