Maintenance teams planning replacements for WLA16P-39421100ZZZ frequently review Sick Laser Sensor, Sick Gtb6 P4211 and P&F Photoelectric Sensor to prevent downtime, checking availability and compatibility with existing systems.
Sick WLA16P-39421100ZZZ Photoelectric Sensor
The Sick WLA16P-39421100ZZZ Photoelectric Sensor provides 0–10 m retro-reflective sensing using autocollimation and a 635 nm PinPoint LED. It delivers an 80 mm light spot at 5 m, supports wire/pin adjustment, and includes LED status indicators for setup clarity. The sensor offers PNP/NPN push-pull output, 1,000 Hz switching frequency, and 500 µs response time with IP65-rated VISTAL housing. Explore Sick sensors, view Sick photoelectric sensors, and check the W26/W16 series.
| 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 Sick WLA16P-39421100ZZZ Photoelectric Sensor combines 0–10 m retro-reflective sensing, autocollimation optics, and a 635 nm PinPoint LED for clear and consistent object detection. As part of the W26/W16 series, it integrates wire/pin adjustment, complementary PNP/NPN outputs, and 1,000 Hz switching frequency suited for rapid machine tasks. The VISTAL housing and IP65 enclosure rating provide durability for industrial automation environments.
This model supports applications such as conveyor movement detection, packaging line presence sensing, assembly operations, and machine-level object verification. Its visible light simplifies alignment, while autocollimation helps maintain accuracy even when reflectors are not perfectly oriented. The stable output behavior and fast response allow reliable integration into production equipment that demands repeatable detection performance.
The Sick WLA16P-39421100ZZZ Photoelectric Sensor offers dependable sensing using PinPoint LED technology, robust environmental protection, and flexible PNP/NPN configuration. Sick’s reputation for reliable automation components and this model’s consistent performance make it suitable for OEMs and plant engineers seeking trustworthy detection hardware. Its practical optical design and series-level consistency support long-term operational reliability across diverse industrial tasks.
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