Sick
Sick VL18-3P3312 photoelectric retro-reflective sensor PNP 10-30V DC IP67 2m cable electrician tool
A photoelectric retro-reflective sensor with PNP dark-switching output, 0.05 m to 3.7 m sensing range, and IP67-rated metal housing
- Detects objects up to 3.7 m with visible red LED
- PNP dark-switching output handles 100 mA at 250 Hz
- IP67-rated nickel-plated brass housing resists dust and water
- Operates from 10 to 30 V DC across –25 °C to +70 °C
- 2 m PVC cable with 3-wire 0.14 mm² conductors simplifies wiring
Retro-reflective photoelectric sensor
The Sick VL18-3P3312 is a cylindrical M18 photoelectric sensor that uses a visible red LED to detect objects by reflecting light off a separate reflector. It operates on 10 to 30 V DC and provides a PNP dark-switching output with a maximum load of 100 mA. The housing is nickel-plated brass rated IP67 for harsh industrial environments.
Suited for presence detection up to 3.7 m
This sensor suits automated lines, packaging machines and conveyor systems where a compact radial-optic device is required and a reflector can be mounted opposite. It is not for applications needing background suppression, polarised retro-reflection for shiny targets, or a teach-in button for range adjustment.
3.7 m maximum sensing range
The key specification is the 0.05 m to 3.7 m maximum sensing range, which determines whether the sensor can bridge the distance between its mounting point and the reflector in your specific layout.
Highlights
- Detects objects up to 3.7 m with visible red LED
- PNP dark-switching output handles 100 mA at 250 Hz
- IP67-rated nickel-plated brass housing resists dust and water
- Operates from 10 to 30 V DC across –25 °C to +70 °C
- 2 m PVC cable with 3-wire 0.14 mm² conductors simplifies wiring
Specifications
| Brand | SICK |
|---|---|
| Model | VL18-3P3312 |
Questions about this item
What sensing range does the M18 retro-reflective sensor actually reach with a standard reflector?
The sensor detects from 0.05 m up to 3 m with a typical reflector; the absolute maximum is 3.7 m under ideal conditions.
What clearance and thread size are needed to mount the cylindrical housing?
The housing is 60.6 mm long with an M18 × 1 thread, so a 60.6 mm deep clearance hole and matching M18 nut are required.
How is the 3-wire cable connected for a PNP dark-switching output, and what mistake should be avoided?
Connect brown to 10–30 V DC, blue to 0 V, and black to the load; the common error is wiring the black wire as a light-switching output instead of dark-switching.
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