Sick GTB6-N1211 Photoelectric Sensor
The Sick GTB6-N1211 photoelectric sensor offers background suppression with 140 mm sensing range and NPN output for industrial automation. The GTB6-N1211 Sick NPN Photo Sensor uses PinPoint LED visible red light, supports 1,000 Hz switching frequency, and operates on 10–30 V DC with IP67 enclosure protection. It is manufactured by Sick, listed under Sick Photoelectric Sensors, and belongs to the G6 Series used in industrial automation systems.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GTB6-N1211 |
Sick GTB6-N1211 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 | NPN |
| Switching mode | Light/dark switching |
| Switching mode selector | Selectable via light/dark selector |
| Signal voltage PNP HIGH/LOW | Approx. VS / ≤ 3 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 | Cable, 3-wire, 2 m |
| 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 | 60 g |
The GTB6-N1211 Sick NPN Photo Sensor is a compact background suppression photoelectric sensor designed for short-range object detection. The GTB6-N1211 provides a 35–140 mm sensing range, NPN digital output, 650 nm visible red LED, and background suppression sensing principle. As part of the Sick G6 series, it is engineered for consistent performance in industrial automation environments.
The GTB6-N1211 Sick NPN Photo Sensor is commonly used in conveyors, packaging equipment, automated assembly lines, and material handling systems. Its background suppression capability helps detect objects reliably while ignoring backgrounds. The rectangular housing and fixed cable connection support stable installation and dependable signal transmission during continuous machine operation.
The Sick GTB6-N1211 Photoelectric Sensor delivers reliable sensing performance with mechanical and electrical stability. Its IP67-rated enclosure, spindle-based adjustment, and predictable output behavior support long-term industrial use. Integrated within the Sick G6 photoelectric sensor range, the GTB6-N1211 aligns with standard automation requirements and established sensing practices.
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