Sick
Sick VTE18-3E8740 Photoelectric Proximity Sensor NPN
Photoelectric proximity sensor detects objects from 10 mm to 700 mm using infrared LED with NPN light-switching output and IP67-rated plastic housing
- Photoelectric sensing up to 800 mm range
- Infrared LED with narrow 2.8° dispersion angle
- NPN light-switching output responds in 2 ms
- IP67 enclosure withstands –25 °C to +70 °C
- M12 4-pin connector on 10–30 V DC supply
SICK VTE18-3E8740 photoelectric sensor
The SICK VTE18-3E8740 is a cylindrical photoelectric proximity sensor designed for industrial automation tasks. It uses an infrared LED light source to detect objects within a defined range. The NPN switching output and light switching mode suit standard PLC input configurations. It is built for electricians and maintenance engineers integrating presence detection into machinery.
10 V to 30 V DC supply and M12 connection
The sensor operates on a 10 V DC to 30 V DC supply voltage with a ripple tolerance of 10 %. Power consumption is rated at 30 mA. Connection is made via a male M12 4-pin connector, requiring a compatible cordset. The IP67 enclosure rating protects against dust ingress and temporary water immersion. Operating temperature spans –25 °C to +70 °C for harsh environments.
Sensing range up to 700 mm with potentiometer
The sensing range extends from 10 mm to 700 mm, with a maximum detection capability of 800 mm. A 2.8° angle of dispersion provides a focused detection beam. Sensitivity is adjusted manually using a built-in potentiometer. The 2 ms response time supports reliable detection on fast-moving lines. It is not suited for applications requiring analogue output or background suppression beyond the stated range.
Highlights
- Photoelectric sensing up to 800 mm range
- Infrared LED with narrow 2.8° dispersion angle
- NPN light-switching output responds in 2 ms
- IP67 enclosure withstands –25 °C to +70 °C
- M12 4-pin connector on 10–30 V DC supply
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTE18-3E8740 |
Questions about this item
Should I pick the 700 mm or 800 mm sensing range for my setup?
The sensor detects objects from 10 mm up to 700 mm under normal conditions, while the 800 mm figure is the absolute maximum reachable under ideal reflectivity.
How far will the 10 mm to 700 mm range actually work on a conveyor line?
In practice the infrared LED with a 2.8° beam detects standard targets reliably across the full 10 mm to 700 mm span, with a 2 ms response time at 10–30 V DC supply.
What does the M12 4-pin connector limit in terms of wiring?
The M12 4-pin male connector carries the NPN light-switching output and 10–30 V DC power, cabling the sensor directly to a PLC or I/O block without extra adapters.
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