Sick
SICK VTE18-4N4912 Photoelectric proximity sensor NPN
Photoelectric proximity sensor detects objects from 5 mm to 350 mm with adjustable NPN output and IP67-rated cylindrical housing
- Photoelectric sensing up to 350 mm range
- Adjustable potentiometer for precise detection tuning
- NPN output with selectable light/dark switching
- IP67 rated for harsh environment protection
- 10–30 V DC supply suits industrial systems
Industrial Photoelectric Sensor
The SICK VTE18-4N4912 is a cylindrical photoelectric proximity sensor designed for industrial automation. It detects objects using an infrared LED with a 2.8° dispersion angle. The sensor operates on a 10 V DC to 30 V DC supply and provides an NPN switching output with selectable light or dark switching via a control cable. Its IP67-rated plastic housing suits harsh environments.
Replaces Limited-Range Switches
This sensor upgrades from basic mechanical limit switches or shorter-range optical sensors when non-contact detection up to 350 mm is required. The potentiometer allows precise adjustment of the sensing point between 5 mm and 350 mm. The jump is worthwhile when applications demand a 2 ms response time and reliable operation across a –25 °C to +70 °C temperature range without physical wear.
Cable-Ready For Control Cabinets
The unit comes with a 2 m PVC cable (Ø 5 mm, 0.14 mm² conductors) for direct wiring into panels or junction boxes. The angled cylindrical housing (60.6 mm depth) fits tight mounting spaces where straight sensors cannot. It frees up design flexibility by eliminating the need for separate connectors or mounting brackets in many installations.
Highlights
- Photoelectric sensing up to 350 mm range
- Adjustable potentiometer for precise detection tuning
- NPN output with selectable light/dark switching
- IP67 rated for harsh environment protection
- 10–30 V DC supply suits industrial systems
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTE18-4N4912 |
Questions about this item
What diameter clearance does the 60.6 mm cylindrical housing need for mounting?
The sensor body is 60.6 mm wide; allow at least that diameter plus the 5 mm cable bend radius for the PVC cable.
Which wire carries the L/D control signal for switching mode selection?
Connect the dedicated L/D control cable to V+ for light switching or to 0 V for dark switching; the NPN load wire goes to your PLC input.
When should the PMMA optics be cleaned or the sensor replaced?
Clean the plastic lens whenever debris blocks the 2.8° infrared beam; replace the unit if the IP67 seal fails or the potentiometer no longer holds its 5 mm to 350 mm range setting.
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