Sick
SICK VTF18-3E1440 Photoelectric Proximity Sensor NPN
Photoelectric proximity sensor with background blanking detects objects from 3 mm to 90 mm using infrared LED and NPN output
- Photoelectric sensor detects objects up to 100 mm away
- Background blanking ignores distant surfaces for reliable detection
- M18 metal housing rated IP67 resists dust and water
- NPN output switches at 250 Hz for fast response
- 10–30 V DC supply fits standard industrial power
Sensor Purpose
The SICK VTF18-3E1440 is a cylindrical photoelectric proximity sensor with background blanking designed for industrial detection tasks. It operates on a 10 V DC to 30 V DC supply and provides an NPN light-switching output suitable for automation systems requiring a focused infrared beam.
Sustained Operation
The sensor maintains a 250 Hz switching frequency with a 2 ms response time, allowing consistent detection cycles during continuous production runs. Power consumption remains at 30 mA while the output handles up to 100 mA, and the IP67 enclosure rating protects internal electronics from dust and water ingress throughout extended shifts.
Thermals and Power
Operating temperatures range from –25 °C to +70 °C, so the unit performs reliably in cold storage or heated process areas without thermal derating. The nickel-plated brass housing and PMMA optics dissipate heat passively, while the 4-pin M12 connector ensures a secure low-voltage link that keeps wiring losses minimal.
Highlights
- Photoelectric sensor detects objects up to 100 mm away
- Background blanking ignores distant surfaces for reliable detection
- M18 metal housing rated IP67 resists dust and water
- NPN output switches at 250 Hz for fast response
- 10–30 V DC supply fits standard industrial power
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTF18-3E1440 |
Questions about this item
How much power does the VTF18-3E1440 draw when running continuously?
The sensor consumes 30 mA from a 10 V DC to 30 V DC supply with a maximum 10 % ripple.
What supply voltage and connector must already be available for the VTF18-3E1440?
It requires 10 V DC to 30 V DC and connects via a male M12 4-pin plug.
Will the VTF18-3E1440 fit existing M18 mounting holes and cable runs?
Yes, the cylindrical housing uses an M18 x 1 thread, is 78 mm long, and terminates in a standard M12 4-pin connector.
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