Sick GTB6-P5211 Photoelectric Sensor
The Sick GTB6-P5211 photoelectric sensor delivers background suppression, 140 mm sensing range, PNP output, and IP67 housing reliability performance. This Sick 140mm Photoelectric Proximity Sensor operates using visible red 650 nm PinPoint LED, supports 10–30 V DC supply, offers 1,000 Hz switching frequency, and features a 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 | GTB6-P5211 |
Sick GTB6-P5211 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 | PNP |
| Switching mode | Light/dark switching |
| Switching mode selector | Selectable via light/dark selector |
| Signal voltage PNP HIGH/LOW | VS - (≤ 3 V) / approx. 0 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 with connector M8, 3-pin |
| 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 | 20 g |
The GTB6-P5211 Sick 140mm Photoelectric Proximity Sensor is a background suppression photoelectric sensor designed for controlled object detection in industrial automation. The GTB6-P5211 provides a defined 35–140 mm sensing range with a maximum reach of 5–250 mm, using visible red 650 nm LED technology. It delivers a stable PNP digital output while operating on 10–30 V DC supply. This sensor belongs to the G6 series for standardized proximity sensing applications.
The GTB6-P5211 Sick 140mm Photoelectric Proximity Sensor is commonly applied in conveyors, packaging lines, automated assembly stations, and material handling systems. Background suppression enables reliable detection of target objects while minimizing interference from reflective backgrounds. The compact rectangular housing allows installation in limited spaces, and the defined switching behavior supports consistent signal processing in PLC-controlled automation environments.
The Sick GTB6-P5211 Photoelectric Sensor offers dependable operation through its IP67-rated enclosure, mechanical spindle adjustment, and stable electrical characteristics. Its sensing accuracy supports repeatable detection in continuous industrial use. As part of Sick’s industrial sensing portfolio, the GTB6-P5211 is suitable for automation systems requiring precise proximity detection, electrical consistency, and long-term operational reliability.
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