Sick GTB6L-P4211 Photoelectric Sensor
The Sick GTB6L-P4211 photoelectric sensor is a laser proximity sensor with background suppression and 400 mm sensing range maximum. This Sick photoelectric sensor from the G6 series functions as a Sick 400mm Laser Photoelectric Sensor using laser light source, PNP digital output, ≤20 mA current consumption, 10–30 V DC supply, potentiometer adjustment, M8 connector, IP67 enclosure, and stable background suppression detection.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GTB6L-P4211 |
Sick GTB6L-P4211 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 | Male connector M8, 4-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-P4211 Sick 400mm Laser Photoelectric Sensor is a compact photoelectric proximity sensor designed for accurate short-range detection in industrial automation. This Sick photoelectric sensor operates with laser-based background suppression, supporting a 400 mm sensing range, PNP output, and laser visible red light. Running on a 10–30 V DC supply, the GTB6L-P4211 belongs to the G6 series and is suited for precision-oriented automation systems.
The GTB6L-P4211 is commonly used in conveyors, packaging lines, assembly stations, and automated inspection processes where precise object detection is required. Its laser light source enables detection of small or low-contrast objects, while background suppression minimizes false triggering. The rectangular housing and M8 connector allow straightforward mechanical and electrical integration in compact machine layouts.
The Sick GTB6L-P4211 photoelectric sensor provides stable electrical behavior, consistent response time, and defined optical performance under industrial conditions. Its IP67 enclosure protects against dust and moisture, ensuring reliable operation in harsh environments. As part of the Sick G6 photoelectric sensor family, the GTB6L-P4211 maintains technical consistency, predictable switching characteristics, and long-term suitability for industrial automation applications.
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