Sick GL6G-P4212 Photoelectric Sensor
The Sick GL6G-P4212 photoelectric sensor provides retro-reflective detection, 5 m sensing range, PNP output, and 625 µs response time. This Sick 625 µs Retro-reflective Sensor uses visible red 650 nm PinPoint LED, operates on 10–30 V DC supply, supports 1,000 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 | GL6G-P4212 |
Sick GL6G-P4212 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-P4212 Sick 625 µs Retro-reflective Sensor is a rectangular photoelectric sensor designed for controlled object detection in industrial automation. The GL6G-P4212 operates using a dual lens retro-reflective principle with a ≤ 5 m sensing range and maximum distance of ≤ 6 m. 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 applied in structured automation environments.
The GL6G-P4212 Sick 625 µs Retro-reflective Sensor is used in conveyors, packaging machines, assembly stations, and automated material handling systems. Its retro-reflective sensing principle ensures stable object detection using reflectors across defined distances. The rectangular housing allows compact mounting, and the stable PNP output supports consistent signal transfer to PLC and control systems. The fast response time enables reliable operation in standard-speed automation processes.
The Sick GL6G-P4212 Photoelectric Sensor delivers predictable performance through its IP67-rated enclosure, potentiometer-based sensitivity adjustment, and defined optical characteristics. Standardized M8 connectivity, controlled sensing distance, and stable electrical output support long-term system integration. As part of Sick’s industrial sensing portfolio, the GL6G-P4212 is suitable for industrial automation environments requiring consistent detection, electrical reliability, and environmental resistance.
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