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Cylindrical angled plastic sensor housing with M12 connector

Sick

Sick VTE18-3E4840 photoelectric proximity sensor NPN

SKU CH-3BPM-9RYV2

Detects objects up to 350 mm with infrared LED, NPN output, and IP67 housing

  • NPN output simplifies integration into sinking PLC inputs
  • 10–30 V DC supply suits common industrial power rails
  • 5–350 mm sensing range covers close and mid detection
  • IP67 enclosure resists dust and water ingress
  • M12 4-pin connector enables quick, secure wiring

Industrial sensing with NPN output

The Sick VTE18-3E4840 is a photoelectric proximity sensor designed for automated detection tasks. It operates on 10 V DC to 30 V DC supply voltage and provides an NPN switching output with light switching mode. The cylindrical angled housing measures 75 mm and suits machine builders integrating presence detection into conveyors, packaging lines or robotic cells.

Low power draw and sealed housing

Power consumption is 30 mA with a 10 % ripple tolerance on the supply line. Response time is 2 ms, allowing reliable detection at line speeds. The IP67 enclosure rating protects the plastic housing and PMMA optics against dust and temporary immersion. Ambient operating temperature spans –25 °C to +70 °C, so the sensor performs in unheated warehouses or outdoor equipment.

M12 connector and potentiometer adjustment

Connection uses a male M12 4-pin connector for quick installation and replacement. Sensing range reaches 5 mm to 350 mm with a maximum of 400 mm, using infrared LED light at a 2.8° dispersion angle. A potentiometer allows on-site range adjustment without tools. Buyers needing PNP output or a different connector format should consider other models.

Highlights

  • NPN output simplifies integration into sinking PLC inputs
  • 10–30 V DC supply suits common industrial power rails
  • 5–350 mm sensing range covers close and mid detection
  • IP67 enclosure resists dust and water ingress
  • M12 4-pin connector enables quick, secure wiring

Specifications

BrandSICK
ModelSICK VTE18-3E4840

Questions about this item

How do I mount and wire the VTE18-3E4840, and which step is often missed?

Mount the cylindrical housing with its angled light emission, connect the 4-pin M12 male connector to a 10 V DC … 30 V DC supply, then set the potentiometer for the 5 mm … 350 mm sensing range — the step most often missed is adjusting that potentiometer after power-up.

What maintenance or replacement will the VTE18-3E4840 need over time?

The infrared LED and PMMA optics can accumulate dust or scratches, so clean the optics periodically; the plastic housing and IP67 seal should be inspected for cracks, and the sensor replaced if the LED output degrades or the enclosure is damaged.

What limit appears first when the VTE18-3E4840 runs continuously in a hot environment?

The ambient operating temperature tops out at +70 °C, so sustained use above that temperature will be the first limit reached, potentially causing the sensor to exceed its specified operating range.

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