Sick WLA16P-39421100ZZZ Photoelectric Sensor
The Sick WLA16P-39421100ZZZ retro-reflective photoelectric sensor provides autocollimation detection up to 10 m using visible red PinPoint LED light. This Sick Photoelectric Sensor from the W26 and W16 series supports PNP/NPN push-pull output, features ≤ 500 µs response time, operates on 10–30 V DC supply, and uses a 298 mm Q6 male connector cable.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WLA16P-39421100ZZZ |
Sick WLA16P-39421100ZZZ Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Autocollimation |
| Sensing range min. | 0 m |
| Sensing range max. | 10 m |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Shape of light spot | Point-shaped |
| Light spot size (distance) | Ø 80 mm (5 m) |
| Wave length | 635 nm |
| Adjustment | Wire/pin |
| 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 3) |
| Repeatability (response time) | 150 µs |
| Switching frequency | 1,000 Hz 4) |
| Housing | Rectangular |
| Dimensions (W x H x D) | 20 mm x 55.7 mm x 42 mm |
| Connection | Cable with Q6 male connector, 6-pin, DC-coded, 298 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 | IP65 (EN 60529) |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | Approx. 70 g |
The WLA16P-39421100ZZZ Sick 298mm Retro-reflective Photo Sensor is a photoelectric retro-reflective sensor designed for industrial automation detection tasks. The WLA16P-39421100ZZZ Sick 298mm Retro-reflective Photo Sensor applies autocollimation principle, delivers a 0–10 m sensing range, uses visible red PinPoint LED, and provides PNP/NPN push-pull output. It belongs to the W26 and W16 series from Sick.
This sensor is used across conveyors, packaging machines, automated assembly lines, and material handling systems. Autocollimation supports stable object detection even with reflective targets and longer distances. Consistent switching behavior helps maintain reliable signal output in continuous industrial automation processes.
The WLA16P-39421100ZZZ Sick 298mm Retro-reflective Photo Sensor features a rectangular housing with IP65 protection suitable for industrial environments. Electrical protection and controlled response timing support dependable long-term operation. As a Sick photoelectric sensor, it aligns with industrial automation requirements where accuracy and repeatability are essential.
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