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Cylindrical plastic photoelectric sensor with M12 connector

Sick

Sick VL18-3E3640 photoelectric retro-reflective sensor NPN

SKU CH-MYGM-12X92

Photoelectric retro-reflective sensor with 0.05 m to 3.7 m range, NPN output, M12 connector and IP67 housing

  • Retro-reflective detection up to 3.7 m range
  • Visible red LED with 2.8° dispersion angle
  • NPN light-switching output with 2 ms response
  • IP67 enclosure rated for –25 °C to +70 °C
  • M12 4-pin connector for 10–30 V DC supply

Sick VL18-3E3640 retro-reflective sensor

This photoelectric sensor detects objects using a visible red LED and a retro-reflective principle. It provides an NPN switching output with light-switching mode for industrial automation tasks. The cylindrical plastic housing measures 78 mm and carries an IP67 enclosure rating for harsh environments.

Check supply voltage and connector before ordering

The unit operates on 10 V DC to 30 V DC with a maximum ripple of 10 percent and draws up to 30 mA. A male M12 4-pin connector is required for installation. Verify that your control system accepts an NPN light-switching signal and that the mounting arrangement suits a straight cylindrical housing.

Sustained operation within rated temperature range

The sensor maintains its 2 ms response time across an ambient operating span of –25 °C to +70 °C. Sensing range reaches up to 3.7 m with a 2.8° angle of dispersion, adjustable via potentiometer. Plastic optics and housing materials resist degradation during continuous exposure to the specified thermal limits.

How it compares

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

Price $74.99
Cheaper than about 65% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameSick
Model nameSICK VL18-3E3640

Questions about this item

Does the Sick VL18-3E3640 include the M12 cable and the reflector, or must they be purchased separately?

The sensor has a male M12 4-pin connector; the mating cable and a suitable retro-reflector are not included and must be sourced separately.

The data lists two ranges — 0.05 m to 3.7 m maximum and 0.05 m to 3 m standard — which one should I design for?

Design for the 0.05 m to 3 m sensing range; the 3.7 m figure is a maximum under ideal conditions and should not be relied on for guaranteed detection.

What does the 2 ms response time mean for a production line moving at speed?

At 2 ms response time the sensor switches output within two milliseconds of detecting a target, allowing reliable detection on lines where the object passes the beam in a few milliseconds.

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