Sick
SICK VTE18-3N2812 Photoelectric proximity sensor NPN
Detects objects up to 200 mm with infrared LED, NPN dark-switching output, 10–30 V DC supply, IP67-rated plastic housing and 2 m PVC cable
- Detects objects up to 200 mm with infrared LED
- NPN dark-switching output reacts in 2 ms
- Potentiometer adjusts sensing range between 3 mm and 170 mm
- IP67-rated plastic housing withstands –25 °C to +70 °C
- 2 m PVC cable with 0.14 mm² conductors simplifies wiring
Industrial photoelectric sensor NPN
The SICK VTE18-3N2812 is a cylindrical photoelectric proximity sensor with NPN dark-switching output. It detects objects at 3 mm to 170 mm using an infrared LED with a 2.8° dispersion angle. The housing measures 60.6 mm and carries an IP67 enclosure rating for harsh environments.
Verify voltage and wiring before installation
The unit operates on 10 V DC to 30 V DC supply with a maximum 30 mA current draw and 10 % ripple tolerance. A 2 m PVC cable with 0.14 mm² conductors and 3.1 mm diameter provides the connection. Ensure your controller accepts NPN sinking logic and that the 2 ms response time suits the application timing.
Replaces older diffuse sensors
This model upgrades fixed-range or light-switching devices where adjustable sensing distance and dark-switching logic are required. The jump is worthwhile when you need IP67 sealing, a wide 25 °C to 70 °C operating window, and a compact angled housing for confined mounting positions.
Highlights
- Detects objects up to 200 mm with infrared LED
- NPN dark-switching output reacts in 2 ms
- Potentiometer adjusts sensing range between 3 mm and 170 mm
- IP67-rated plastic housing withstands –25 °C to +70 °C
- 2 m PVC cable with 0.14 mm² conductors simplifies wiring
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTE18-3N2812 |
Questions about this item
What comes with the sensor and what must I source separately?
The unit ships with a 2 m PVC cable attached; you only need to provide a 10 V DC to 30 V DC power supply and a compatible NPN input on your controller.
How do I decide between the 170 mm and 200 mm sensing ranges?
Use the 170 mm figure for reliable detection on standard targets; the 200 mm maximum applies only under ideal reflectivity conditions.
What does the 2 ms response time mean on my machine?
The output can change state every 2 ms, so the sensor can resolve objects or events spaced at least 2 ms apart on a moving line.
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