Sick GTB6L-P3211 Photoelectric Sensor
Sick GTB6L-P3211 photoelectric sensor delivers laser-based sensing with 0.4 mm light spot and 400 mm maximum detection distance capability. The GTB6L-P3211, a Sick 0.4mm Light Spot Photoelectric Sensor, uses laser light source, 680 nm wavelength, PNP digital output, and IP67 protection rating. It includes potentiometer adjustment, response time up to 625 µs, 1000 Hz switching frequency, M8 3-pin connector, and rectangular housing, and belongs to Sick under Sick Photoelectric Sensors and the G6 series for industrial automation.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GTB6L-P3211 |
Sick GTB6L-P3211 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range max. | 400 mm |
| Sensing range | - |
| Light source | Laser |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 0.4 mm (150 mm) |
| Wave length | 680 nm |
| Adjustment | Potentiometer, Operating mode switch |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | ≤ 20 mA, without load. At UB = 24 V |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | - |
| Switching mode selector | - |
| Signal voltage PNP HIGH/LOW | Approx. UB-3 V / 0 V |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 625 µs |
| Switching frequency | 1,000 Hz 3) |
| 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 (EN 60529) |
| Ambient operating temperature | –20 °C ... +50 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | Approx. 60 g |
The GTB6L-P3211 Sick 0.4mm Light Spot Photoelectric Sensor is a defined sensing device used for precise object detection in industrial automation systems. This model operates with laser sensing principle, 0.4 mm light spot size, and 400 mm detection range, supported by a 680 nm laser light source. The GTB6L-P3211 belongs to the G6 series from Sick, enabling accurate detection performance in applications requiring fine object positioning.
In industrial environments, the GTB6L-P3211 is used in conveyors, assembly lines, packaging systems, and precision detection tasks. Its laser-based sensing enables detection of small objects and edges with high accuracy. The compact rectangular housing supports easy installation, while the PNP output ensures stable signal transmission for consistent automation control.
The Sick GTB6L-P3211 Photoelectric Sensor maintains stable sensing with defined optical alignment and reliable switching output. With IP67 protection, fast response time, and G6 series structure, the GTB6L-P3211 supports continuous industrial operation. As part of the Sick sensing ecosystem, this sensor ensures dependable detection and stable integration in automation environments.
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