EN
DE
TR
SICK WT18-3P420S21 photoelectric proximity sensor
- Object detection in automation lines
- Product presence control in packaging machines
- Positioning in robotic systems
- Object differentiation in material handling systems
- Precise detection in food, pharmaceutical, and automotive industries
The WT18-3P420S21 is a photoelectric proximity sensor with background suppression. This feature allows the sensor to detect only the target object while ignoring the background, ensuring reliable detection in complex or reflective environments.
| Feature | Value |
|---|---|
| Sensor Type | Photoelectric proximity sensor |
| Detection Principle | Background suppression |
| Sensing Range | 50 mm – 400 mm |
| Light Source | Infrared LED (870 nm) |
| Output Type | PNP, Complementary |
| Switching Mode | Light/Dark switching |
| Response Time | < 330 µs |
| Switching Frequency | 1500 Hz |
| Supply Voltage | 10–30 V DC |
| Connection Type | M12 male connector, 4-pin |
| Protection Class | IP67 |
| Operating Temperature | -40°C to +60°C |
| Housing Material | Plastic (ABS) |
| Optical Material | Plastic (PMMA) |
| Adjustment | 4-turn potentiometer |
| Dimensions (WxHxD) | 17.6 mm x 75.5 mm x 33.5 mm |
| Weight | 40 g |