Sick GTB6-P1231 Photoelectric Sensor
The Sick GTB6-P1231 photoelectric sensor offers background suppression with 220 mm sensing range and 1.25 ms response time performance. This Sick 1.25 ms Response Time Photo Sensor uses PinPoint LED visible red light at 650 nm wavelength, supports PNP output, and operates at 500 Hz switching frequency on 10–30 V DC. It is manufactured by Sick, listed under Sick Photoelectric Sensors, and belongs to the G6 Series for industrial automation.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GTB6-P1231 |
Sick GTB6-P1231 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range max. | 5 mm ... 400 mm |
| Sensing range | 50 mm ... 220 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 | Approx. VS / ≤ 3 V |
| Output current Imax. | ≤ 100 mA 4) |
| Response time | < 1.25 ms 5) |
| Switching frequency | 500 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-P1231 Sick 1.25 ms Response Time Photo Sensor is a photoelectric proximity sensor designed for accurate short-to-medium range detection. The GTB6-P1231 combines background suppression, 220 mm sensing range, PNP digital output, and a 1.25 ms response time. This model is part of the Sick G6 series and is widely used in Indian industrial automation environments.
The GTB6-P1231 Sick 1.25 ms Response Time Photo Sensor is commonly applied in conveyors, packaging machines, automated assembly lines, and material handling systems. Its controlled light spot enables stable detection of objects with varying colors and surface finishes. The rectangular housing supports easy integration into compact machine designs while maintaining consistent switching behavior.
The Sick GTB6-P1231 Photoelectric Sensor delivers reliable performance under demanding industrial conditions. With an IP67 enclosure and stable optical characteristics, it is suitable for dusty and humid environments. As part of the G6 series, the GTB6-P1231 aligns with Sick photoelectric sensor standards and supports long-term operational reliability without unnecessary complexity.
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