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Sick GTB2S-P5451 Photoelectric Sensor
The Sick GTB2S-P5451 Photoelectric Sensor provides a 25 mm to 90 mm sensing range using visible red PinPoint LED background suppression. It features a 640 nm wavelength, 3-turn potentiometer adjustment, PNP light switching output, and a fast 0.6 ms response time with 800 Hz switching frequency. Designed in a compact rectangular ABS housing with IP67 protection, it operates on 10β30 V DC and includes an M8 connector cable. Explore brand details at Sick, product family at Sick Photoelectric Sensors, and related series at Sick G2 Series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Product | GTB2S-P5451 |
Sick GTB2S-P5451 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 7.7 mm x 27.5 mm x 13.5 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 2 mm ... 120 mm |
| Sensing range | 25 mm ... 90 mm |
| Type of Light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Γ 3.5 mm (50 mm) |
| Wave length | 640 nm |
| Adjustment | Potentiometer, 3 turns |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 20 mA |
| Switching output | PNP |
| Switching mode | Light switching |
| Output current Imax. | β€ 50 mA |
| Response time | < 0.6 ms 4) |
| Switching frequency | 800 Hz 5) |
| Connection type | Cable with connector M8, 3-pin, 200 mm |
| Cable material | PVC |
| Cable diameter | Γ 3 mm |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | β25 Β°C ... +50 Β°C |
| Ambient temperature, storage | β40 Β°C ... +75 Β°C |
| Weight | 17.9 g |
The Sick GTB2S-P5451 Photoelectric Sensor is a compact sensing device designed for accurate detection in short-range automation tasks. The unit offers a 25β90 mm sensing range, operates with a PinPoint LED at 640 nm, and includes a 3-turn potentiometer for fine adjustment. With its IP67-rated ABS housing, the GTB2S-P5451 belongs to the Sick G2 series and is widely used across industrial automation systems requiring stable background suppression.
The Sick GTB2S-P5451 Photoelectric Sensor is suitable for conveyors, packaging lines, sorting stations, and machine assembly operations. Its 0.6 ms response time and 800 Hz switching frequency ensure stable detection of moving parts. The M8 connector cable and compact rectangular housing make installation easy in tight spaces, providing consistent output and durable performance in everyday industrial conditions.
The Sick GTB2S-P5451 Photoelectric Sensor combines reliable detection, short-range precision, and an IP67 enclosure suitable for demanding automation environments. With features such as PNP light switching, Potentiometer adjustment, and PinPoint LED sensing, it remains a dependable choice for engineers requiring consistent sensor feedback. Sickβs engineering quality ensures that this model performs effectively in continuous industrial use where stable object detection is essential.

