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Sick WTT12L-A2523 Photoelectric Sensor
The Sick WTT12L-A2523 Photoelectric Sensor provides a one-hundred to one-thousand-four-hundred millimeter sensing range with visible red laser light. It includes background suppression, PNP/NPN push-pull output, and a ≤ 16.7 ms response time with a 30 Hz switching frequency. Operating on 12–30 V DC, it features dual teach-in buttons, an M12 connector, IP67 sealing, VISTAL® housing, and PMMA optics for reliable industrial use. Explore Sick Sensors, browse Sick Photoelectric Sensors, and view the Sick WTT Series.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | WTT12L-A2523 |
Sick WTT12L-A2523 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression, Optical time-of-flight |
| Dimensions (W x H x D) | 20 mm x 49.6 mm x 44.2 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 50 mm ... 1,400 mm |
| Sensing range | 100 mm ... 1,400 mm 3) |
| Type of Light | Visible red light |
| Light source | Laser 9) |
| Light spot size (distance) | Ø 10 mm (1,400 mm) |
| Wave length | 658 nm |
| Laser class | 1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.1 |
| Adjustment | Single teach-in button (2 x) |
| Supply voltage UB | 12 V DC ... 30 V DC |
| Ripple | < 5 Vpp 3) |
| Current consumption | 70 mA |
| Switching output | Push-pull: PNP/NPN |
| Switching mode | Light switching |
| Output current Imax. | ≤ 50 mA |
| Response time | ≤ 16.7 ms 6) |
| Switching frequency | 30 Hz 7) |
| Connection type | Male connector M12, 5-pin |
| Protection class | III |
| Housing material | Plastic, VISTAL® |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | –35 °C ... +50 °C 10) |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 48 g |
The Sick WTT12L-A2523 Photoelectric Sensor is designed for precise mid-range detection in industrial automation. The Sick WTT12L-A2523 supports a 100–1,400 mm sensing range, uses visible red laser technology, and provides a PNP/NPN push-pull output for easy integration. With a 30 Hz switching frequency and ≤ 16.7 ms response time, it belongs to the WTT series recognized for stable optical time-of-flight performance and dependable background suppression.
This sensor is widely used in conveyors, packaging processes, assembly stations, and automated inspection lines requiring consistent detection. Its rectangular VISTAL® housing, IP67 enclosure rating, and temperature tolerance make it suitable for demanding shop-floor environments. The M12 connector and dual teach-in buttons ensure convenient setup and parameter adjustment in varied machine applications.
The Sick WTT12L-A2523 Photoelectric Sensor delivers stable performance, reliable detection accuracy, and long-term durability for industrial workflows. With its laser sensing capability, background suppression, and robust construction, the WTT12L-A2523 supports efficient operation in material handling, assembly, and automation systems. Sick’s proven sensing technology ensures consistent output and dependable service in continuous industrial use.
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