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Cylindrical angled plastic sensor with 2 m PVC cable

Sick

SICK VTF18-4N5812 Photoelectric proximity sensor NPN

SKU CH-QR7F-AJTQE

Photoelectric proximity sensor detects objects up to 50 mm with NPN output and IP67 housing

  • Detects objects up to 50 mm using infrared LED
  • NPN output with selectable light or dark switching mode
  • Operates on 10 V DC to 30 V DC supply voltage
  • IP67 rated for dust and water ingress protection
  • Functions from –25 °C to +70 °C operating temperature

SICK VTF18-4N5812 photoelectric sensor

The SICK VTF18-4N5812 is a cylindrical photoelectric proximity sensor designed for industrial automation tasks. It detects objects using an infrared LED within a sensing range up to 50 mm. The NPN switching output supports selectable light or dark switching via an L/D control cable. It operates on a 10 V DC to 30 V DC supply voltage with IP67 enclosure rating.

Installation uses a 2 m PVC cable

Connection is made through a fixed 2 m PVC cable with a 0.14 mm² conductor cross-section and 5 mm diameter. The angled cylindrical housing measures 60.6 mm and features a potentiometer for sensitivity adjustment. A response time of 2 ms allows detection of fast-moving targets. Ensure the supply voltage stays within the 10 V to 30 V DC range and ripple does not exceed 10 %.

Sensing range reaches 45 mm reliably

The sensor reliably detects objects from 0 mm to 45 mm, with a maximum sensing range extending to 50 mm. Infrared light and plastic PMMA optics suit standard industrial environments. Operating temperatures span –25 °C to +70 °C for both operation and storage. The NPN output and fixed cable length limit use in systems requiring PNP logic or connector-based wiring.

Highlights

  • Detects objects up to 50 mm using infrared LED
  • NPN output with selectable light or dark switching mode
  • Operates on 10 V DC to 30 V DC supply voltage
  • IP67 rated for dust and water ingress protection
  • Functions from –25 °C to +70 °C operating temperature

Specifications

BrandSICK
ModelSICK VTF18-4N5812

Questions about this item

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

Apply power within the 10 V DC to 30 V DC range, place a target within the 0 mm to 45 mm sensing range, and confirm the NPN output switches state; the response time is 2 ms.

What comes in the box and what must I source separately?

The unit includes a 2 m PVC cable with 0.14 mm² conductors permanently attached; you must provide a 10 V DC to 30 V DC power supply and any mounting hardware.

Which sensing range version should I choose for reliable detection up to 45 mm?

This model offers a maximum sensing range of 50 mm and a specified sensing range of 45 mm, making it suitable for applications requiring detection up to that distance.

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