Sick GL6G-P4211 Photoelectric Sensor
The Sick GL6G-P4211 photoelectric sensor provides retro-reflective sensing, 5 m range, PNP output, IP67 housing, and stable operation performance. This Sick Retro-reflective Photoelectric Sensor uses visible red 650 nm PinPoint LED, operates on 10–30 V DC supply, supports 1,000 Hz switching frequency, and features a 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 | GL6G-P4211 |
Sick GL6G-P4211 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Dual lens |
| Sensing range max. | ≤ 6 m |
| Sensing range | ≤ 5 m |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 8 mm (350 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer, 270° |
| 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 | 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 | 20 g |
The GL6G-P4211 Sick Retro-reflective Photoelectric Sensor is a dual-lens photoelectric sensor designed for reliable object detection in industrial automation environments. The GL6G-P4211 offers a defined ≤ 5 m sensing range with a maximum reach of ≤ 6 m, using visible red 650 nm LED technology. It delivers a consistent PNP digital output while operating on 10–30 V DC supply. This model belongs to the G6 series for standardized reflective sensing applications.
The GL6G-P4211 Sick Retro-reflective Photoelectric Sensor is commonly applied in conveyors, packaging systems, automated assembly lines, and material handling equipment. Its retro-reflective operating principle supports stable detection with reflectors across controlled distances. The compact rectangular housing allows installation in confined machine spaces, while the high switching frequency ensures dependable signal performance in PLC-based automation systems.
The Sick GL6G-P4211 Photoelectric Sensor ensures dependable operation through its IP67-rated enclosure, potentiometer-based adjustment, and defined electrical characteristics. Its stable sensing behavior supports repeatable detection in continuous industrial processes. As part of Sick’s industrial sensing portfolio, the GL6G-P4211 is suitable for automation systems requiring consistent reflective detection, electrical reliability, and long-term operational stability.
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