Sick GTB6-P4231 Photoelectric Sensor
The Sick GTB6-P4231 photoelectric sensor provides background suppression, 220 mm sensing range, and PNP output for industrial automation applications. This Sick 220 mm Background Suppression Sensor operates using visible red 650 nm PinPoint LED, supports 10–30 V DC supply, offers 500 Hz switching frequency, 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-P4231 |
Sick GTB6-P4231 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 | < 1.2 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 | Male connector M8, 4-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 | 60 g |
The GTB6-P4231 Sick 220 mm Background Suppression Sensor is a rectangular photoelectric sensor designed for controlled object detection in industrial automation. The GTB6-P4231 operates with background suppression and a 50–220 mm sensing range, extending up to 400 mm maximum. It uses a visible red 650 nm LED and provides a PNP digital output while operating on 10–30 V DC supply. This model belongs to the G6 series and is deployed in structured automation environments.
The GTB6-P4231 Sick 220 mm Background Suppression Sensor is used in conveyors, packaging machines, automated assembly lines, and material handling systems. Its background suppression principle enables reliable object detection while reducing false triggering from reflective surfaces. The rectangular housing supports compact installation, and the stable PNP output ensures consistent signal transfer to PLC and control systems. The defined response time supports continuous operation in standard-speed automation processes.
The Sick GTB6-P4231 Photoelectric Sensor delivers predictable performance through its IP67-rated enclosure, mechanical spindle adjustment, and controlled optical characteristics. Standardized M8 connectivity, defined sensing distance, and stable electrical output support long-term integration. As part of Sick’s industrial sensing portfolio, the GTB6-P4231 is suitable for industrial automation applications requiring consistent detection, environmental resistance, and electrical reliability.
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