Procurement teams shortlist WTB4SL-3P2261 with Sick Laser Sensor, Sick Gtb6 P1211 and P&F Photoelectric Sensor, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Sick WTB4SL-3P2261 Photoelectric Sensor
The Sick WTB4SL-3P2261 Photoelectric Sensor offers a Rectangular design, 650 nm sensing range, Laser light source, PNP output, and –10 °C ... +50 °C connection. Manufactured by Sick under the Sick Photoelectric Sensor category, this model belongs to the WL Series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WTB4SL-3P2261 |
Sick WTB4SL-3P2261 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range max. | 25 mm ... 300 mm |
| Sensing range | 25 mm ... 300 mm |
| Light source | Laser |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 1 mm (170 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer, 5 turns |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA 3) |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | Light/dark switching |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 0.5 ms |
| Switching frequency | 1,000 Hz 6) |
| Housing | Rectangular |
| Design detail | Slim |
| Dimensions (W x H x D) | 12.2 mm x 41.8 mm x 17.3 mm |
| Connection | Male connector M8, 4-pin |
| Housing material | Plastic, Novodur |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66, IP67 |
| Ambient operating temperature | –10 °C ... +50 °C |
| Ambient temperature, storage | –30 °C ... +70 °C |
| Weight | 100 g |
The WTB4SL-3P2261 is a 300mm Photoelectric Proximity Sensor developed by Sick, a leading brand in industrial automation and sensor technology. Known for its precision, quality, and reliability, Sick has set global benchmarks in optical sensing solutions. The WTB4SL-3P2261 Photoelectric Sensor is engineered to deliver accurate detection performance in compact machinery, assembly systems, and automated production lines where stable object sensing and minimal maintenance are essential.
The Sick WTB4SL-3P2261 operates on a 10 V DC to 30 V DC supply and uses a visible red laser (650 nm) light source with a fine 1 mm light spot at 170 mm distance, offering high detection accuracy even for small or shiny objects. Built on the background suppression principle, it provides a stable sensing range of 25 mm to 300 mm, ensuring reliable performance even when the target surface or color changes. With a fast response time ≤ 0.5 ms and switching frequency up to 1,000 Hz, it supports rapid detection in dynamic industrial processes. The PNP digital output supports both light and dark switching modes, making it adaptable to diverse automation setups. Its slim rectangular Novodur housing and IP66/IP67-rated enclosure ensure long-term resistance to dust, vibration, and water exposure. Compact dimensions of 12.2 mm × 41.8 mm × 17.3 mm and a standard M8 4-pin connector simplify installation, while the 5-turn potentiometer allows precise adjustment of sensitivity. Overall, the WTB4SL-3P2261 Photoelectric Proximity Sensor represents a balance of laser precision, robust construction, and user-friendly design tailored for modern automation systems.
The Sick WTB4SL-3P2261 300mm Photoelectric Proximity Sensor is used in a wide range of automation and industrial applications such as conveyor lines, packaging systems, robotic handling, and part detection processes. It is ideal for detecting small, dark, or reflective objects without interference from surrounding backgrounds. Engineers across automotive, electronics, and FMCG industries value its stability, fast switching response, and consistent operation under varying ambient conditions. Whether used for object presence verification, counting applications, or position control, the WTB4SL-3P2261 helps minimize false triggers and ensures accurate process synchronization—making it a trusted choice for maintenance engineers and automation designers alike.
For engineers and procurement teams seeking detailed information, the Sick WTB4SL-3P2261 is supported with the WTB4SL-3P2261 datasheet and WTB4SL-3P2261 manual, providing full guidance on wiring, mounting, and configuration. When reviewing WTB4SL-3P2261 price options, buyers often find it offers excellent value for its precision, compact design, and long-term reliability. The Sick WTB4SL-3P2261 300mm Photoelectric Proximity Sensor stands out as a high-performance sensing solution trusted by engineers for its efficiency, durability, and consistent performance in industrial automation environments.
