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Sick WTB16I-84161120A00 Photoelectric Sensor
The Sick WTB16I-84161120A00 Photoelectric Sensor delivers 10–1,500 mm background suppression using an 850 nm infrared LED and point-shaped light spot. It includes a 12 mm spot at 800 mm, Teach-Turn adjustment, IO-Link support, and multicolor LED indicators for status visibility. The sensor offers complementary PNP/NPN push-pull output, 1,000 Hz switching frequency, and 500 µs response time within a VISTAL housing rated IP66, IP67, and IP69. Explore Sick sensors, browse Sick photoelectric sensors, and view the W26/W16 series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WTB16I-84161120A00 |
Sick WTB16I-84161120A00 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range min. | 10 mm |
| Sensing range max. | 1,500 mm |
| Light source | LED |
| Type of light | Infrared light |
| Shape of light spot | Point-shaped |
| Light spot size (distance) | Ø 12 mm (800 mm) |
| Wave length | 850 nm |
| Adjustment | Teach-Turn adjustment, IO-Link |
| 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, 188 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 Sick WTB16I-84161120A00 Photoelectric Sensor offers 10–1,500 mm sensing range, infrared LED detection, and 1,000 Hz switching frequency for precise object sensing. As part of the W26/W16 series, it supports IO-Link configuration, provides complementary PNP/NPN outputs, and uses a rugged VISTAL housing for reliable operation in industrial automation. Its fast 500 µs response and compact optical design make it suitable for demanding, high-speed machine environments.
This model is suited for conveyors, packaging machinery, automated positioning, and assembly processes where background suppression is required. The infrared light source ensures stable detection even on dark or reflective materials, while the small spot size supports precise object presence verification. Its durable construction and wide operating temperature range allow consistent use in harsh indoor or outdoor industrial setups.
The Sick WTB16I-84161120A00 Photoelectric Sensor provides consistent detection with infrared background suppression, stable output signaling, and industrial-grade protection ratings. The sensor’s performance, brand reliability, and alignment-friendly optical design make it a dependable choice for integrators and engineers. Its fast switching, robust housing, and IO-Link compatibility support long-term, trouble-free operation across varied automation applications.
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