Sick GTB2S-N1451 Photoelectric Sensor
The Sick GTB2S-N1451 photoelectric sensor provides background suppression with a 25–90 mm range, NPN output, and 800 Hz switching frequency. This GTB2S-N1451 Sick 640 nm Photoelectric Sensor from Sick belongs to Sick Photoelectric Sensors and the GTB series, operating on 10–30 V DC with <0.6 ms response time, potentiometer adjustment, and IP67-rated ABS housing.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Product | GTB2S-N1451 |
Sick GTB2S-N1451 Photoelectric Sensor – 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) | Ø 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 | NPN |
| Switching mode | Light switching |
| Output current Imax. | ≤ 50 mA |
| Response time | < 0.6 ms 4) |
| Switching frequency | 800 Hz 5) |
| Connection type | Cable, 3-wire, 2 m |
| Cable material | PVC |
| Cable diameter | Ø 2.3 mm |
| Housing material | Plastic, ABS |
| Optics material | Plastic, MABS |
| Enclosure rating | IP67 |
| Ambient operating temperature | –25 °C ... +50 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 34.2 g |
The GTB2S-N1451 Sick 640 nm Photoelectric Sensor is a compact background suppression sensor designed for precise object detection in industrial automation. The GTB2S-N1451 Sick 640 nm Photoelectric Sensor features a 25–90 mm sensing range, NPN light switching output, PinPoint LED with 640 nm wavelength, and 800 Hz switching frequency. It belongs to the GTB series and is widely used in space-constrained automation systems.
This photoelectric sensor is commonly applied in conveyors, packaging lines, assembly machines, and automated inspection setups. Background suppression helps maintain stable detection despite reflective surfaces, while the Ø 3.5 mm light spot supports accurate target recognition. The fast <0.6 ms response time enables reliable operation in high-speed industrial processes.
The Sick GTB2S-N1451 photoelectric sensor is engineered for consistent performance in demanding environments. With a 10–30 V DC supply, NPN output, and a durable IP67 enclosure, it ensures dependable operation under industrial conditions. Supported by Sick sensor expertise and GTB series design, GTB2S-N1451 is suitable for continuous industrial automation use.
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