Maintenance teams planning replacements for WTT12L-B2556 frequently review Sick Laser Sensor, Sick Gtb6 P4211 and P&F Photoelectric Sensor to prevent downtime, checking availability and compatibility with existing systems.
Sick WTT12L-B2556 Photoelectric Sensor
The Sick WTT12L-B2556 Photoelectric Sensor offers 100 mm to 1,800 mm sensing range with visible red laser light for reliable object detection. This model includes background suppression, a 70 mA current consumption, push-pull PNP/NPN output, โค 5 ms response time, and an M12 5-pin connector. For wider Sick products, visit Sick Sensors, explore all Sick photoelectric sensors at Sick Photoelectric Sensors, and access the WTT series page at Sick WTT Series.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | WTT12L-B2556 |
Sick WTT12L-B2556 Photoelectric Sensor โ 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 |
| Type of Light | Visible red light |
| Light source | Laser 3) |
| Light spot size (distance) | ร 12 mm (1,800 mm) |
| Wave length | 658 nm |
| Laser class | 1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.1 |
| Adjustment | Potentiometer, 4 turns (2 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 switching |
| Output current Imax. | โค 100 mA |
| Response time | โค 5 ms |
| Switching frequency | 100 Hz 6) |
| Connection type | Male connector M12, 5-pin |
| Protection class | III |
| Housing material | Plastic, VISTALยฎ |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | โ35 ยฐC ... +50 ยฐC 10) |
| Ambient temperature, storage | โ40 ยฐC ... +70 ยฐC |
| Weight | 48 g |
The Sick WTT12L-B2556 Photoelectric Sensor is a rectangular background suppression sensor designed for industrial automation tasks. It features a 100 mm to 1,800 mm sensing range, visible red 658 nm laser, push-pull PNP/NPN switching output, and an IP67-rated VISTAL housing. Belonging to the Sick WTT series, the WTT12L-B2556 is commonly used in machines requiring stable detection with optical time-of-flight technology.
In industrial applications, the Sick WTT12L-B2556 Photoelectric Sensor supports conveyors, packaging lines, object positioning, material handling, and automated assembly systems. Its stable optical performance, consistent switching behavior, and reliable detection over long distances help maintain machine accuracy. The durable enclosure and M12 connector ensure easy installation in environments exposed to dust, vibration, and varying temperatures.
The Sick WTT12L-B2556 Photoelectric Sensor combines reliable object detection, fast โค 5 ms response, and a durable IP67 enclosure suitable for continuous industrial use. With Sickโs proven sensing technology and a long operating range, this model fits demanding automation requirements across India. Its consistent output, robust housing, and stable optical performance make it a dependable choice for manufacturers seeking long-term sensing reliability.
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