Procurement teams shortlist WTT12L-B2562 with Sick Laser Sensor, Sick Gtb6 P4211 and P&F Photoelectric Sensor, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Sick WTT12L-B2562 Photoelectric Sensor
The Sick WTT12L-B2562 Photoelectric Sensor provides a sensing range of one hundred to three thousand eight hundred millimeters using red laser light. This model operates on 10–30 V DC with a push-pull PNP/NPN output, includes background suppression, and offers a ≤ 5 ms response time. It features a 658 nm laser source, a rectangular 20 mm × 49.6 mm × 44.2 mm housing, IP67 protection, and an M12 connector. Explore Sick Sensors, view Sick Photoelectric Sensors, and refer to the Sick WTT Series for series-level details.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | WTT12L-B2562 |
Sick WTT12L-B2562 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 ... 3,800 mm |
| Sensing range | 100 mm ... 3,800 mm |
| Type of Light | Visible red light |
| Light source | Laser 3) |
| Light spot size (distance) | Ø 18 mm (3,800 mm) |
| Wave length | 658 nm |
| Laser class | 1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.1 |
| Adjustment | Single teach-in button (1 x) |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 70 mA 3) |
| Switching output | Push-pull: PNP/NPN |
| Switching mode | Light/dark switching |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 5 ms |
| Switching frequency | 100 Hz 6) |
| 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 1 |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 48 g |
The Sick WTT12L-B2562 Photoelectric Sensor is a laser-based red-light device designed for accurate distance detection in industrial automation. The Sick WTT12L-B2562 supports a sensing range of 100–3,800 mm, operates on 10–30 V DC, and provides a push-pull PNP/NPN output with light/dark switching. As part of the Sick WTT series, it uses an optical time-of-flight principle with background suppression and is enclosed in a VISTAL IP67-rated housing suitable for demanding industrial environments.
This model is commonly used in conveyor systems, packaging lines, sorting equipment, and assembly applications where long-distance and stable detection are required. The 658 nm visible laser supports consistent measurement across varying target conditions, while the compact housing enables easy installation in limited machine spaces. Its fast switching frequency and reliable output make it suitable for medium-speed automated operations.
The Sick WTT12L-B2562 Photoelectric Sensor offers dependable sensing performance, durable construction, and defined measurement capability for industrial automation. With features such as background suppression, a 5 ms response time, an IP67 enclosure, and push-pull switching, it supports accurate object detection across different factory environments. Sick’s engineering quality ensures this model remains reliable for long-term use in precision automation tasks.

