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Cylindrical plastic photoelectric sensor with angled head and M12 connector

Sick

SICK VTE18-4N8940 Photoelectric Proximity Sensor NPN

SKU CH-70QE-4F04T

Photoelectric proximity sensor detects objects from 10 mm to 700 mm using infrared LED, with NPN output, 10–30 V DC supply and IP67 enclosure

  • Sensing up to 800 mm with infrared LED
  • Adjustable potentiometer for precise distance tuning
  • NPN light/dark switching selectable via cable
  • IP67 rated for dust and water resistance
  • Operates from –25 °C to +70 °C on 10–30 V DC

SICK VTE18-4N8940 photoelectric sensor

The SICK VTE18-4N8940 is a cylindrical photoelectric proximity sensor that uses an infrared LED to detect objects. It provides an NPN switching output with selectable light or dark switching via an L/D control cable. The housing is rated IP67 and operates from –25 °C to +70 °C.

Suited for short-range presence detection

This sensor suits applications that need reliable detection between 10 mm and 700 mm with a 2.8° angle of dispersion. A potentiometer allows sensitivity adjustment. Buyers who need longer sensing distances, analogue output, or a different output type should look at alternative models.

Integrates into 10–30 V DC control systems

The unit connects through a 4-pin M12 male connector and draws up to 30 mA from a 10 V DC to 30 V DC supply. Its plastic housing and PMMA optics keep weight low while maintaining the IP67 enclosure rating. A response time of 2 ms supports fast switching in automated sequences.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $78.99
Cheaper than about 62% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameSICK
Model nameSICK VTE18-4N8940

Questions about this item

What supply voltage must my system provide for the VTE18-4N8940 to operate?

The sensor requires a DC supply between 10 V and 30 V with no more than 10 % ripple.

Will the M12 4-pin connector on this sensor mate with the M12 cables I already use on older Sick sensors?

Yes, the VTE18-4N8940 uses a standard M12 4-pin male connector compatible with existing M12 cable assemblies.

How can I verify the sensor is detecting correctly after I mount it and apply power?

Turn the potentiometer until the output toggles at the desired distance up to 700 mm, then confirm the NPN signal changes state within 2 ms.

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