Sick
Sick VTF18-3P1840 Photoelectric Proximity Sensor PNP 10-30 V DC IP67
Detects objects at 3 to 90 mm using infrared light with a PNP dark-switching output and IP67-rated housing
- Reliable detection up to 100 mm with photoelectric sensing
- PNP dark-switching output for straightforward PLC integration
- Wide 10 to 30 V DC supply suits industrial power rails
- IP67-rated plastic housing resists dust and water ingress
- Operates from –25 °C to +70 °C for harsh environments
Industrial sensing tool
The Sick VTF18-3P1840 is a cylindrical photoelectric proximity sensor built for industrial detection tasks. It operates on a 10 V DC to 30 V DC supply with a PNP dark-switching output. The housing carries an IP67 enclosure rating and functions across an ambient temperature range of –25 °C to +70 °C.
Suited for short-range presence detection
This unit suits automation lines needing reliable object detection within a 3 mm to 90 mm sensing range using infrared LED light. A potentiometer allows sensitivity adjustment. Builders requiring longer sensing distances, alternative output types such as NPN, or different connection formats should consider other sensor models.
Capacity and headroom
The sensor comfortably handles detection up to 90 mm with a maximum reach of 100 mm under optimal conditions. A 2 ms response time supports fast cycling applications. Power consumption sits at 30 mA with a 10 % ripple tolerance. The 75 mm housing connects via a male M12 4-pin connector.
Highlights
- Reliable detection up to 100 mm with photoelectric sensing
- PNP dark-switching output for straightforward PLC integration
- Wide 10 to 30 V DC supply suits industrial power rails
- IP67-rated plastic housing resists dust and water ingress
- Operates from –25 °C to +70 °C for harsh environments
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTF18-3P1840 |
Questions about this item
What power supply must I already have to run the VTF18-3P1840 sensor?
You need a DC source between 10 V and 30 V that can deliver at least 30 mA with no more than 10 % ripple.
Will the sensor's M12 4-pin connector fit the cables I already use on older SICK proximity sensors?
Yes — the male M12 4-pin connection matches the standard SICK interface used on earlier cylindrical models.
How can I confirm the VTF18-3P1840 is detecting correctly after I mount it?
Turn the potentiometer until the output switches at the desired distance between 3 mm and 90 mm; the dark-switching PNP output will go high when the beam is interrupted.
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