Sick
Sick VL18-3N3312 Photoelectric retro-reflective sensor NPN
Photoelectric retro-reflective sensor with NPN dark-switching output, 0.05 m to 3.7 m range, IP67 metal housing and 2 m PVC cable
- Reliable detection up to 3.7 m with visible red LED
- Fast 2 ms response time for precise switching
- Rugged IP67 brass housing withstands harsh environments
- Wide 10–30 V DC supply suits industrial power systems
- 2 m PVC cable provides flexible installation reach
Industrial Detection Sensor
The Sick VL18-3N3312 is a cylindrical photoelectric retro-reflective sensor designed for industrial automation and object detection tasks. It operates on a 10 V DC to 30 V DC supply voltage with a maximum power consumption of 30 mA, making it suitable for standard control system integration.
Fixed Cable and Potentiometer Adjustment
A 2 m PVC cable with 0.14 mm² conductor cross-section provides a permanent connection without separate connectors. Sensitivity is set manually via an onboard potentiometer, allowing installers to tune the switching point for the specific application without software tools.
Metal Housing with IP67 Rating
The brass nickel-plated metal housing with plastic elements protects internal optics rated IP67 against dust and temporary immersion. An M18 mounting thread implied by the cylindrical design allows direct installation into standard sensor brackets, while the 60.6 mm length fits compact machine frames.
Highlights
- Reliable detection up to 3.7 m with visible red LED
- Fast 2 ms response time for precise switching
- Rugged IP67 brass housing withstands harsh environments
- Wide 10–30 V DC supply suits industrial power systems
- 2 m PVC cable provides flexible installation reach
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VL18-3N3312 |
Questions about this item
Will the potentiometer or the PVC cable need periodic replacement on the VL18-3N3312?
The potentiometer is a sealed adjustment and the 2 m PVC cable is fixed; both are built for the sensor's service life with no scheduled replacement interval.
What is the first limitation reached during continuous operation of the VL18-3N3312?
The 2 ms response time and 3.7 m maximum sensing range set the detection speed and distance ceiling before any thermal or electrical limit is met.
How much heat and noise does the VL18-3N3312 produce when running all day?
The sensor consumes 30 mA at 10–30 V DC with no moving parts, so it generates minimal heat and operates silently within its –25 °C to +70 °C range.
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