Procurement managers rarely finalize WTT12L-A2543 without reviewing Sick Laser Sensor, Sick Gtb6 P1211 and P&F Photoelectric Sensor, ensuring that the chosen component meets budget, compliance, and delivery conditions.
Sick WTT12L-A2543 Photoelectric Sensor
The Sick WTT12L-A2543 Photoelectric Sensor delivers a sensing range of one hundred to one thousand eight hundred millimeters using red laser light. This model operates on 12–30 V DC with a push-pull PNP/NPN output, includes background suppression, and offers a ≤ 16.7 ms response time. It uses a 658 nm laser, features IP67 protection, and comes in a 20 mm × 49.6 mm × 44.2 mm rectangular housing with an M12 connector. Explore Sick Sensors, view Sick Photoelectric Sensors, and refer to the Sick WTT Series for series details.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | WTT12L-A2543 |
Sick WTT12L-A2543 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 ... 1,800 mm |
| Sensing range | 100 mm ... 1,800 mm 3) |
| Type of Light | Visible red light |
| Light source | Laser 7) |
| Light spot size (distance) | Ø 12 mm (1,800 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 1 |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 48 g |
The Sick WTT12L-A2543 Photoelectric Sensor is a compact red-light device designed for distance-based detection in industrial automation. The Sick WTT12L-A2543 supports a sensing range of 100–1,800 mm, operates on 12–30 V DC, and provides a push-pull PNP/NPN output with light switching. As part of the Sick WTT series, it uses an optical time-of-flight method with background suppression and is housed in an IP67-rated VISTAL enclosure suitable for machine environments.
This sensor is widely used in conveyors, automated packaging, material handling, and assembly processes where stable long-range detection is required. The 658 nm visible laser ensures consistent performance, while the robust housing supports reliable sensing in dusty or humid industrial areas. Its switching frequency and connection compatibility make it suitable for repetitive, medium-speed operations where accuracy and durability are essential.
The Sick WTT12L-A2543 Photoelectric Sensor combines defined sensing capability, dependable output options, and industrial-grade protection for automation systems. With features such as background suppression, a 16.7 ms response time, IP67 enclosure, and push-pull switching, it supports consistent object detection across demanding environments. Sick’s proven engineering quality makes this model a reliable option for engineers seeking stable sensing performance in industrial applications.
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