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Sick WTB16I-2416A121A00 Photoelectric Sensor
The Sick WTB16I-2416A121A00 Photoelectric Sensor provides 10 to 1,500 mm sensing with infrared light and background suppression. It includes an 850 nm LED producing a 12 mm spot at 800 mm, supported by Teach-Turn adjustment, Teach-in button, and IO-Link connectivity. The device features complementary PNP/NPN output, 1,000 Hz switching frequency, IP69 protection, and a compact VISTAL housing. Explore Sick sensors, view Sick photoelectric sensors, and check the W26/W16 series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WTB16I-2416A121A00 |
Sick WTB16I-2416A121A00 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, Teach-in button, IO-Link |
| Indication | LED blue 1, LED blue 2, 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 | 1 (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 | Male connector M12, 4-pin |
| 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. 50 g |
The Sick WTB16I-2416A121A00 Photoelectric Sensor combines a 10–1500 mm sensing range, infrared LED, and background suppression for stable object detection across industrial environments. As part of the W26/W16 series, it features a 12 mm spot at 800 mm, IO-Link connectivity, and a compact VISTAL housing. Its 1,000 Hz switching frequency and complementary PNP/NPN output provide dependable performance in automation tasks.
This model is suited for conveyors, packaging lines, assembly stations, and inspection setups where precise non-contact detection is required. Its infrared beam supports consistent performance on reflective materials, while the Teach-in configuration simplifies alignment. The IP69 protection and compact design help engineers deploy it in demanding machine environments with minimal maintenance concerns.
The Sick WTB16I-2416A121A00 Photoelectric Sensor delivers dependable sensing up to 1.5 m, combining robust circuit protection, IO-Link support, and reliable repeatability. With Sick’s trusted engineering and this model’s technical stability, it is suitable for machine builders and automation teams seeking accurate, long-term detection performance. Its infrared operation and durable housing contribute to smoother industrial processes and consistent sensing quality.
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