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Sick WTB26I-3B111120ZZZ Photoelectric Sensor
The Sick WTB26I-3B111120ZZZ Photoelectric Sensor delivers a 30 to 2,000 mm sensing range using an infrared LED with background suppression. This proximity sensor features push-pull PNP/NPN outputs, Teach-Turn adjustment, a 1,000 Hz switching frequency, and IP65 enclosure protection. Explore more products from Sick Sensors, view all Sick Photoelectric Sensors at Sick Photoelectric Sensors, and access complete W26/W16 Series information at Sick W26/W16 Series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WTB26I-3B111120ZZZ |
Sick WTB26I-3B111120ZZZ Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range min. | 30 mm |
| Sensing range max. | 2,000 mm |
| Light source | LED |
| Type of light | Infrared light |
| Shape of light spot | Point-shaped |
| Light spot size (distance) | Ø 14 mm (1,000 mm) |
| Wave length | 850 nm |
| Adjustment | Teach-Turn adjustment |
| 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 V2) |
| 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) | 24.6 mm x 82.5 mm x 53.3 mm |
| Connection | Cable with Q7 male connector, 7-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. 100 g |
The Sick WTB26I-3B111120ZZZ Photoelectric Sensor is a background suppression proximity device designed for industrial automation tasks. It provides a 30 to 2,000 mm sensing range, uses an infrared LED, and supports push-pull PNP/NPN outputs for integration with different control inputs. Part of the W26 and W16 Series, this model features Teach-Turn adjustment, a 1,000 Hz switching frequency, and an IP65 enclosure for dependable use in varied industrial environments.
This model suits conveyors, packaging equipment, material movement lines, and assembly stations. Its background suppression enables reliable detection of objects with different colors or reflective finishes, while the fast response supports dynamic machine operations. The Q7 cable connector ensures secure electrical connection, and visible LED indicators provide clear status feedback, helping engineers integrate and maintain the sensor efficiently across automation systems.
The Sick WTB26I-3B111120ZZZ Photoelectric Sensor combines a 30 to 2,000 mm sensing range, robust build, and stable switching characteristics to support consistent sensing in industrial environments. Sick’s engineering quality offers long-term reliability for users who require accurate detection, durable construction, and compatibility with automated control architectures. This model is well suited for industrial buyers seeking dependable sensing performance for continuous operations.
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