Sick GTB6-P3211 Photoelectric Sensor
The Sick GTB6-P3211 photoelectric sensor is a rectangular background suppression sensor with 35–140 mm sensing range and PNP output, designed for precise object detection in industrial automation. This Sick photoelectric sensor from the G6 series operates as a Sick 12mm Rectangular Photoelectric Sensor using PinPoint LED visible red light, 650 nm wavelength, mechanical spindle adjustment, 10–30 V DC supply, M8 connect
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GTB6-P3211 |
Sick GTB6-P3211 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range max. | 5 mm ... 250 mm |
| Sensing range | 35 mm ... 140 mm |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 6 mm (100 mm) |
| Wave length | 650 nm |
| Adjustment | Mechanical spindle, 5 turns |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | ± 10 % |
| Current consumption | 30 mA 3) |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | Light/dark switching |
| Switching mode selector | Selectable via light/dark selector |
| Signal voltage PNP HIGH/LOW | VS - (≤ 3 V) / approx. 0 V |
| Output current Imax. | ≤ 100 mA 4) |
| Response time | ≤ 625 µs 5) |
| Switching frequency | 1,000 Hz 6) |
| Housing | Rectangular |
| Dimensions (W x H x D) | 12 mm x 31.5 mm x 21 mm |
| Connection | Connector M8, 3-pin |
| Housing material | Plastic, ABS/PC |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | –25 °C ... +55 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 20 g |
The GTB6-P3211 Sick 12mm Rectangular Photoelectric Sensor is a compact photoelectric proximity sensor designed for accurate object detection in industrial automation. This Sick photoelectric sensor uses background suppression technology with a 35–140 mm sensing range, PNP digital output, and PinPoint LED visible red light. Operating on a 10–30 V DC supply, the GTB6-P3211 belongs to the G6 series and is suitable for space-constrained automation applications requiring stable and repeatable sensing performance.
The GTB6-P3211 is commonly used in conveyors, packaging machines, automated assembly lines, and material handling systems. Its background suppression principle ensures reliable detection of target objects while ignoring background surfaces. The rectangular 12 mm housing allows easy integration into compact installations, while the IP67 enclosure supports operation in dusty or washdown environments. The PNP output provides stable signal transmission for PLC-based control systems.
The Sick GTB6-P3211 photoelectric sensor combines precise sensing characteristics with robust mechanical design. With controlled light emission, consistent response time, and durable housing materials, it meets industrial reliability requirements. As part of the Sick G6 series, the GTB6-P3211 supports long-term operational stability and predictable performance, making it a dependable choice for industrial automation sensing applications.
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