Sick GTB6L-P1211 Photoelectric Sensor
The Sick GTB6L-P1211 photoelectric sensor is a laser proximity sensor with 400 mm sensing range and visible red light. This Sick photoelectric sensor from the G6 series operates with PNP output, supports 10–30 V DC supply, uses 680 nm laser light, features background suppression, potentiometer adjustment, IP67 enclosure, and a fixed 3-wire cable connection for industrial automation.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GTB6L-P1211 |
Sick GTB6L-P1211 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) | Point-shaped |
| 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 | Cable, 3-wire, 2 m |
| 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-P1211 Sick PNP Rectangular Photo Sensor is a photoelectric proximity sensor designed for short-range detection in industrial automation systems. It provides 400 mm sensing capability, laser-based background suppression, PNP digital output, and 680 nm visible red laser light for controlled and accurate detection. This model belongs to the Sick G6 series and is used where precise distance-based sensing is required.
The GTB6L-P1211 Sick PNP Rectangular Photo Sensor is applied in conveyors, packaging machines, automated assembly lines, and positioning tasks. Background suppression helps prevent false detection from surrounding surfaces, enabling stable sensing of targets within defined distances. Fast response time and high switching frequency support reliable operation in continuous automation processes, while the compact rectangular housing allows easy integration.
The Sick GTB6L-P1211 photoelectric sensor delivers dependable proximity sensing with defined optical and electrical characteristics. With IP67 enclosure, controlled output current, and standardized housing dimensions, it integrates reliably into industrial automation environments. As part of the Sick G6 photoelectric sensor family, this model is suitable for long-term industrial use where consistent laser-based detection and stable PNP output performance are required.
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