Sick
SICK VTE18-4N8840 Photoelectric Proximity Sensor NPN
Photoelectric proximity sensor detecting objects from 10 mm to 700 mm with infrared LED, NPN output and IP67-rated cylindrical housing
- 10 mm to 800 mm detection range covers close and distant targets
- Infrared LED with 2.8° beam angle focuses light for precise sensing
- NPN output with selectable light or dark switching adapts to control logic
- IP67 enclosure rating protects against dust and water ingress
- Operates from –25 °C to +70 °C for harsh industrial environments
Sensing Range Up To 800 mm
The SICK VTE18-4N8840 is a cylindrical photoelectric proximity sensor designed for industrial detection tasks. It operates on a 10 V DC to 30 V DC supply with an NPN switching output. The housing carries an IP67 enclosure rating and functions across a –25 °C to +70 °C temperature range. A potentiometer allows on-site adjustment of the sensing distance.
Upgrade From Basic Switches
This sensor replaces simple mechanical limit switches or older photoelectric units that lack adjustable range or light/dark selection. The jump is worthwhile when an application demands non-contact detection up to 700 mm with a 2 ms response time. Infrared LED emission and a 2.8° dispersion angle provide a focused beam for precise positioning. The M12 4-pin connector simplifies integration into existing control cabinets.
Handles Close And Mid-Range Targets
The device comfortably detects objects from 10 mm out to 700 mm, with a maximum possible range of 800 mm under ideal conditions. Plastic housing and PMMA optics resist typical industrial environments while the IP67 seal blocks dust and water ingress. It runs out of reliable detection beyond the specified sensing range or when ambient temperatures exceed the 70 °C limit. Power consumption stays at or below 30 mA.
Highlights
- 10 mm to 800 mm detection range covers close and distant targets
- Infrared LED with 2.8° beam angle focuses light for precise sensing
- NPN output with selectable light or dark switching adapts to control logic
- IP67 enclosure rating protects against dust and water ingress
- Operates from –25 °C to +70 °C for harsh industrial environments
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTE18-4N8840 |
Questions about this item
What thread size and clearance does the cylindrical angled housing need for mounting?
The cylindrical angled housing measures 75 mm overall and fits a standard M18 thread; allow enough clearance for the 2.8° infrared beam to reach the target.
How do I wire the 4-pin M12 connector and set the L/D control cable for light or dark switching?
Connect the M12 pins to a 10–30 V DC supply with ripple ≤10 %; the L/D cable selects light switching when tied high and dark switching when tied low.
When should I clean or replace the PMMA optics on this sensor?
Clean the PMMA optics whenever dust or residue reduces the 700 mm sensing range; replace the sensor if the housing cracks or the IP67 seal fails.
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