Sick GTB6L-P3211 Photoelectric Sensor
The Sick GTB6L-P3211 photoelectric sensor delivers background suppression, 0.4 mm laser light spot, 400 mm sensing range, precise detection. This GTB6L-P3211 Sick 0.4mm Light Spot Photoelectric Sensor uses visible red 680 nm laser, operates on 10–30 V DC supply, provides PNP output, and features an IP67 rectangular housing with M8 connector. It is part of Sick sensing solutions, listed under Sick Photoelectric Sensors, and belongs to the G6 Series used in industrial automation systems.
| 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 designed for precise background suppression tasks in industrial automation. The GTB6L-P3211 operates with a 400 mm sensing range, visible red laser light source, and stable PNP digital output. It functions on 10–30 V DC power and is classified within the G6 photoelectric sensor series.
The GTB6L-P3211 Sick 0.4mm Light Spot Photoelectric Sensor is applied in conveyor positioning, small-part detection, packaging lines, and automated assembly systems. The fine laser spot enables accurate detection of small objects and edges. Its rectangular IP67 housing supports consistent operation in controlled industrial automation environments.
The Sick GTB6L-P3211 Photoelectric Sensor provides reliable optical performance with fast response and stable switching behavior. Its electrical characteristics integrate efficiently with PLC-based control systems. As part of Sick’s G6 sensor lineup, the GTB6L-P3211 is suitable for precision-focused photoelectric sensing in industrial automation applications.
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