In sourcing discussions, WTB27-3R2611 is often placed next to Sick Laser Sensor, Sick Gtb6 P4211 and P&F Photoelectric Sensor so procurement teams can align budgets and technical requirements effectively.
Sick WTB27-3R2611 Photoelectric Sensor
The Sick WTB27-3R2611 Photoelectric Sensor is a high-quality photoelectric sensor from Sick, a global leader in industrial sensing and automation. Known for precision, reliability, and innovation, Sick products are trusted across manufacturing, logistics, and process industries.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Product | WTB27-3R2611 |
Sick WTB27-3R2611 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 24.6 mm x 80.6 mm x 54 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 30 mm ... 1,600 mm 1) |
| Sensing range | 100 mm ... 1,600 mm |
| Type of light | Infrared light |
| Light source | LED |
| Light spot size (distance) | Γ 25 mm (800 mm) |
| Wave length | 880 nm |
| Adjustment | Potentiometer |
| Supply voltage UB | 20 V AC/DC ... 250 V AC/DC 1) |
| Power consumption | β€ 2.5 VA |
| Switching Output | Relay, electrically isolated 2) |
| Output function | Change-over contacts |
| Switching mode | Light/dark switching |
| Switching mode selector | Selectable via time delay selector switch |
| Switching current (switching voltage) | 4 A @ 250 V AC, 4 A @ 24 V DC, 0.125 A @ 250 V DC UL: 4 A @ 250 V AC, general use / 4 A @ 250 V AC, resistive (NO) / 3 A @ 250 V AC, resistive (NC) / 4 A @ 24 V DC, NO, general use / 3 A @ 24 V DC, NC, general use / R300 / B300 (NO contacts only) / 0 Β°C ... +60 Β°C |
| Response time | β€ 10 ms |
| Switching frequency | 10 Hz 3) |
| Connection type | Male connector Q6, 6-pin, AC/UC-coded |
| Protection class | II 6) |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP65 |
| Ambient operating temperature | β40 Β°C ... +60 Β°C 7) |
| Ambient temperature, storage | β40 Β°C ... +75 Β°C |
| Weight | 120 g |
The Sick WTB27-3R2611 Photoelectric Sensor operates on a photoelectric proximity principle with background suppression, ensuring accurate detection even in challenging lighting and reflective conditions. It offers a sensing range of 100 mm to 1,600 mm (max. 30 mm to 1,600 mm), powered by an infrared LED light source at 880 nm wavelength. The rectangular housing measures 24.6 mm Γ 80.6 mm Γ 54 mm, designed for robust mounting in tight spaces, while the clearly defined light spot simplifies sensor alignment.
Engineered for both AC and DC operation, it supports a wide 20 V AC/DC to 250 V AC/DC supply range, with low power consumption of β€ 2.5 VA. The electrically isolated relay output offers change-over contacts with light/dark switching, adjustable via a selector switch. A fast β€ 10 ms response time ensures quick object detection, while the IP65-rated ABS housing and PMMA optics provide resistance to dust, moisture, and industrial contaminants. Its -40 Β°C to +60 Β°C operating range ensures stable performance in diverse climates. For complete details,
The Sick WTB27-3R2611 Photoelectric Sensor is ideal for applications where precise object detection is critical, such as automated packaging, conveyor sorting, and parts positioning. Its background suppression capability prevents false triggers from reflective surfaces, ensuring stable operation in busy production lines.
In the automotive sector, it can detect vehicle components on assembly lines without interference from surrounding equipment. In food and beverage plants, it reliably identifies items on conveyors, even in high-humidity or dusty conditions. For warehouse automation, it ensures accurate positioning of packages in sorting systems.
Maintenance engineers appreciate the durability and minimal calibration needs of the WTB27-3R2611, while engineering students can study it as a practical example of optical sensing technology in industrial automation. By combining speed, precision, and rugged construction, this photoelectric sensor continues to be a trusted choice in demanding environments.
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