Sick WLD16P-341121A0ZZZ Photoelectric Sensor
The Sick WLD16P-341121A0ZZZ photoelectric sensor delivers retro-reflective dual-lens detection with 14 m sensing range and push-pull output capability today. This Sick Photoelectric Sensor from the W26, W16 series uses visible red PinPoint LED light, operates on 10–30 V DC, supports PNP/NPN complementary outputs, and provides IP66/IP67/IP69 enclosure protection in a rectangular housing.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WLD16P-341121A0ZZZ |
Sick WLD16P-341121A0ZZZ Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Dual lens |
| Sensing range min. | 0.25 m |
| Sensing range max. | 14 m |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Shape of light spot | Point-shaped |
| Light spot size (distance) | Ø 16 mm (1 m) |
| Wave length | 635 nm |
| Adjustment | None |
| Indication | LED blue, LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC 1) |
| Ripple | ≤ 5 Vpp |
| Usage category | DC-12 (According to EN 60947-5-2), DC-13 (According to EN 60947-5-2) |
| Current consumption, sender & Receiver | ≤ 30 mA, without load. At UB = 24 V |
| Protection class | III |
| Digital output Number | 2 (Complementary) |
| Output type | Push-pull: PNP/NPN |
| Signal voltage PNP HIGH/LOW | Approx. UB-2.5 V / 0 V |
| Signal voltage NPN HIGH/LOW | Approx. UB / < 2.5 V |
| Output current Imax. | ≤ 100 mA |
| Circuit protection outputs | Reverse polarity protected, Overcurrent and short-circuit protected |
| Response time | ≤ 500 µs 2) |
| Repeatability (response time) | 150 µs |
| Switching frequency | 1,000 Hz 3) |
| Housing | Rectangular |
| Dimensions (W x H x D) | 20 mm x 55.7 mm x 42 mm |
| Connection | Cable with M12 male connector, 4-pin, 318 mm |
| Housing material | Plastic, VISTAL® |
| Front screen material | Plastic, PMMA |
| Male connector material | Plastic, VISTAL® |
| Maximum tightening torque of the fixing screws | 1.3 Nm |
| Enclosure rating | IP66 (EN 60529), IP67 (EN 60529), IP69 (EN 60529) 1) |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | Approx. 70 g |
The WLD16P-341121A0ZZZ Sick 318mm Retro-reflective Sensor is a Sick photoelectric sensor designed for long-distance object detection in industrial automation systems. The WLD16P-341121A0ZZZ operates using a retro-reflective dual-lens principle with a 0.25–14 m sensing range, push-pull PNP/NPN output, and PinPoint LED light source. It belongs to the W26 and W16 series and is commonly applied in automated production environments.
Within industrial automation, the WLD16P-341121A0ZZZ is used on conveyors, packaging equipment, assembly stations, and material handling lines. The dual-lens retro-reflective design supports consistent detection over extended distances, while the 1,000 Hz switching frequency ensures stable response for moving objects. The rectangular housing and pre-connected M12 cable simplify installation in standardized machine layouts.
The Sick WLD16P-341121A0ZZZ photoelectric sensor combines defined optical performance with electrical and environmental protection. With IP66/IP67/IP69 ratings, protected outputs, and stable DC operation, this Sick sensor is suitable for continuous industrial use. The WLD16P-341121A0ZZZ model aligns with Sick photoelectric sensor specifications, supporting dependable operation across industrial automation applications.
