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Cylindrical M18 nickel-plated brass photoelectric sensor with 2 m PVC cable

Sick

Sick VS/VE18-4P3112 Through-beam photoelectric sensor PNP

SKU CH-BWY4-SQPCJ

Through-beam photoelectric sensor detects objects up to 20 m with PNP output, IP67 metal housing and 2 m cable

  • Detects objects up to 20 m away
  • Reliable sensing range of 14 m in practice
  • Fast 250 Hz switching for quick response
  • Rugged IP67 nickel-plated brass housing
  • Wide 10–30 V DC supply voltage range

Industrial Through-Beam Sensor

The Sick VS/VE18-4P3112 is a through-beam photoelectric sensor designed for industrial automation and presence detection. It uses an infrared LED light source to detect objects across a sensing range of up to 14 m, with a maximum range of 20 m. The cylindrical M18 x 1 housing allows direct mounting into standard threaded holes. This sensor suits engineers integrating reliable object detection into conveyor or packaging lines.

Metal Housing With Cable Connection

The nickel-plated brass housing measures 63.6 mm in length and carries an IP67 enclosure rating for dust and water protection. A 2 m PVC cable with four 0.14 mm² conductors provides the electrical connection, eliminating the need for a separate connector. The supply voltage spans 10 V DC to 30 V DC with a 10 % ripple tolerance. Protection class III and circuit protection A, B, C, D support safe integration into 24 V control circuits.

PNP Switching At 250 Hz

The PNP output delivers a maximum current of 100 mA and switches at 250 Hz with a 2 ms response time. Light/dark switching is selectable via the L/D control cable, while a test input disables the sender when pulled to 0 V. The light spot reaches Ø 700 mm at 14 m with an approximate 2.8° dispersion angle. Ambient operating temperature ranges from –25 °C to +70 °C. Buyers needing higher switching speeds or background suppression should evaluate alternative sensing principles.

How it compares

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Price $45.99
Cheaper than about 80% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameSICK
Model nameSICK VS/VE18-4P3112

Questions about this item

What is the maximum sensing range of the VS/VE18-4P3112 through-beam sensor?

The maximum sensing range is 0 m to 20 m, with a rated sensing range of 0 m to 14 m using infrared LED light.

What are the mounting dimensions and thread specification for the cylindrical housing?

The sensor has a cylindrical metal housing with M18 x 1 thread diameter and 63.6 mm housing length for axial optical alignment.

How is the light/dark switching mode selected on the 4-wire cable connection?

The switching mode is selectable via the L/D control cable; connect TE to 0 V to switch off the sender for testing.

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