Sick
Sick VTE18-3N4712 Photoelectric Proximity Sensor PNP
Detects objects up to 400 mm with infrared light, offers PNP switching at 250 Hz, and fits M18 threads in a 63.6 mm IP67 housing
- Photoelectric sensing up to 400 mm with infrared LED
- PNP light-switching output delivers 100 mA at 250 Hz
- M18 cylindrical housing rated IP67 for harsh environments
- 10–30 V DC supply with 30 mA consumption and 2 ms response
- 2 m PVC cable with 0.14 mm² conductors for simple wiring
Sick VTE18-3N4712 sensor for automation
The Sick VTE18-3N4712 is a cylindrical photoelectric proximity sensor with a PNP switching output. It operates on a 10 V DC to 30 V DC supply and detects objects up to 350 mm away using an infrared LED. The M18 x 1 threaded housing fits standard mounting points in packaging and material handling equipment. An IP67 enclosure rating protects the internal optics from dust and water ingress.
Upgrade from shorter range or NPN sensors
This model replaces sensors with a sensing range below 350 mm or units that require an NPN output configuration. The 270° potentiometer allows precise adjustment of the detection distance between 5 mm and 350 mm. The jump is worthwhile when an application demands a visible light spot of 20 mm at 400 mm and a switching frequency of 250 Hz for faster cycle times.
Stable output during continuous operation
A response time of 2 ms keeps the switching signal consistent during high-speed passes. The protection class III circuitry and cable construction withstand ambient temperatures from –25 °C to +70 °C without drift. Power consumption stays at 30 mA, so the sensor runs cool inside enclosed machinery over long shifts.
Highlights
- Photoelectric sensing up to 400 mm with infrared LED
- PNP light-switching output delivers 100 mA at 250 Hz
- M18 cylindrical housing rated IP67 for harsh environments
- 10–30 V DC supply with 30 mA consumption and 2 ms response
- 2 m PVC cable with 0.14 mm² conductors for simple wiring
Specifications
| Brand | Sick |
|---|---|
| Model | SICK VTE18-3N4712 |
Questions about this item
What thread size and cable length does the VTE18-3N4712 need for mounting and wiring?
The sensor uses an M18 x 1 thread and ships with a 2 m, 3-wire PVC cable of 3.1 mm diameter and 0.14 mm² conductors.
How do I wire the PNP output and set the sensing range on this sensor?
Connect the 3-wire cable to a 10–30 V DC supply; the PNP output switches on light detection. Turn the 270° potentiometer to adjust the 5–350 mm sensing range.
When should I clean or replace the PMMA optics on the VTE18-3N4712?
Clean the PMMA lens whenever dust or oil reduces the 20 mm light spot at 400 mm. Replace the unit if the IP67 housing cracks or the cable sheath is damaged.
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