Sick GTB6-P5211S78 Photoelectric Sensor
The Sick GTB6-P5211S78 photoelectric sensor provides background suppression, 140 mm sensing range, PNP output, and 1000 Hz switching frequency. This GTB6-P5211S78 Sick 6 mm Photoelectric Sensor uses a 650 nm visible red PinPoint LED, offers a 6 mm light spot, operates on 10–30 V DC, 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 | GTB6-P5211S78 |
Sick GTB6-P5211S78 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-P5211S78 Sick 6 mm Photoelectric Sensor is a background suppression photoelectric proximity sensor designed for industrial automation. The GTB6-P5211S78 supports a 35–140 mm sensing range, precise 6 mm light spot, PNP output, and a 1,000 Hz switching frequency. It operates on 10–30 V DC supply and belongs to the Sick G6 series used for compact optical detection.
The GTB6-P5211S78 Sick 6 mm Photoelectric Sensor is applied in conveyors, packaging machines, automated assembly lines, and part positioning systems. Background suppression helps maintain stable detection of small objects at close range. The rectangular IP67 housing supports reliable operation in industrial automation environments with vibration and dust exposure.
The Sick GTB6-P5211S78 Photoelectric Sensor delivers consistent electrical performance and defined optical behavior for control systems. Its sensing characteristics and output limits support predictable switching. As part of the Sick G6 photoelectric sensor range, the GTB6-P5211S78 is suitable for proximity detection tasks across industrial automation applications.
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