Sick
Sick VTE18-3N2412 Photoelectric Proximity Sensor NPN
Detects objects at 3 mm to 170 mm with an infrared LED and adjustable potentiometer
- Detects objects up to 200 mm away with infrared LED
- NPN dark-switching output responds in 2 ms for fast control
- Brass nickel-plated metal housing rated IP67 for harsh environments
- Operates reliably from –25 °C to +70 °C across wide temperatures
- 2 m PVC cable with 0.14 mm² conductors simplifies installation
Industrial detection sensor
The Sick VTE18-3N2412 is a cylindrical photoelectric proximity sensor with an angled light-emission design. It operates on a 10 V DC to 30 V DC supply with a maximum power consumption of 30 mA. The sensor uses an infrared LED light source with a 2.8° dispersion angle to detect objects within a sensing range of 3 mm to 170 mm, extending to a maximum of 200 mm. An NPN dark-switching output with a 2 ms response time makes it suitable for automated industrial control systems.
IP67 rated housing and thermal range
The brass nickel-plated metal housing combined with plastic components achieves an IP67 enclosure rating for dust and water ingress protection. The unit operates reliably across an ambient temperature range of –25 °C to +70 °C, with the same limits applying to storage conditions. Power draw remains low at 30 mA with a 10 % ripple tolerance on the supply voltage. The 2 ms response time indicates minimal heat generation during continuous switching cycles in normal use.
Adjustable potentiometer and fixed cable
A built-in potentiometer allows manual adjustment of the sensing threshold without external tools or software configuration. The sensor terminates in a 2 m PVC cable with a 3.1 mm diameter and 0.14 mm² conductor cross-section, eliminating the need for separate connectors. UL file NMFT2.E175606 confirms compliance with relevant safety standards. The fixed cable and lack of wireless interfaces mean installation is limited to wired control cabinets or junction boxes within the cable length.
Highlights
- Detects objects up to 200 mm away with infrared LED
- NPN dark-switching output responds in 2 ms for fast control
- Brass nickel-plated metal housing rated IP67 for harsh environments
- Operates reliably from –25 °C to +70 °C across wide temperatures
- 2 m PVC cable with 0.14 mm² conductors simplifies installation
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTE18-3N2412 |
Questions about this item
How do I mount and wire the VTE18-3N2412 sensor, and what is the step people often miss?
Mount the cylindrical M18 housing, run the 2 m PVC cable (3.1 mm diameter, 0.14 mm² conductors) to a 10–30 V DC supply, and connect the NPN dark-switching output; the step often missed is setting the potentiometer so the 2.8° infrared spot hits the target within the 3–170 mm sensing range.
What maintenance or replacement will the VTE18-3N2412 need over time?
The sensor has no user-serviceable parts; plan to replace the unit if the PMMA optics become scratched, the nickel-plated brass housing corrodes, or the PVC cable sheath degrades after prolonged exposure near the –25 °C to +70 °C limits.
What is the first limit reached when the VTE18-3N2412 runs continuously in a hot environment?
The ambient operating temperature ceiling of +70 °C is the first hard limit; beyond it the IP67-rated electronics can exceed their thermal design even though power draw stays at 30 mA and response time remains 2 ms.
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