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Cylindrical metal sensor with angled head and M12 connector

Sick

SICK VTE18-4P4840 Photoelectric Proximity Sensor PNP

SKU CH-A430-H0X8Y

Detects objects from 10 to 700 mm with an infrared LED and adjustable potentiometer, housed in IP67-rated nickel-plated brass with an M12 connector

  • Photoelectric detection up to 800 mm range
  • Dark-switching PNP output for reliable signalling
  • Potentiometer allows quick sensitivity adjustment
  • IP67 brass housing resists dust and water
  • Operates from –25 °C to +70 °C

Industrial proximity sensing

The SICK VTE18-4P4840 is a cylindrical photoelectric proximity sensor designed for automated detection tasks in industrial environments. Its angled light emission and infrared LED allow reliable object detection without physical contact. The sensor suits production lines, packaging equipment and material handling systems where non-contact presence verification is required.

Potentiometer and dark-switching output

A built-in potentiometer lets technicians adjust the sensing distance between 10 mm and 700 mm to match the application. The PNP dark-switching output activates when the infrared beam is interrupted, simplifying PLC wiring for common fail-safe logic. The four-pin M12 male connector provides a standard industrial interface for quick installation and replacement.

Limits of the infrared proximity method

The infrared LED produces a 2.8° dispersion angle, so the detection spot widens with distance and may register background objects beyond the intended target. Maximum sensing range reaches 800 mm under ideal conditions, but the rated operating range stops at 700 mm. The sensor operates from 10 V DC to 30 V DC and is rated IP67 for dust and water ingress, with an ambient temperature window of –25 °C to +70 °C.

How it compares

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

Price $88.99
Cheaper than about 55% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameSICK
Model nameSICK VTE18-4P8440

Questions about this item

Does the potentiometer need periodic recalibration after installation?

The potentiometer sets the sensing range between 10 mm and 700 mm; once adjusted it holds position without scheduled recalibration.

What limits continuous operation — the 2 ms response time or the 30 mA power draw?

The 2 ms response time defines the maximum switching speed; the 30 mA draw at 10–30 V DC is well within the supply capability.

How hot does the brass-nickel housing get when the sensor runs all day at 70 °C ambient?

The housing is rated for –25 °C to +70 °C ambient; internal dissipation from 30 mA at 30 V DC is under 1 W, so surface temperature stays close to ambient.

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