Sick GL6-P3212 Photoelectric Sensor
Sick GL6-P3212 photoelectric sensor offers 5 m sensing range, PNP output, 1000 Hz switching frequency, and PinPoint LED light source. The GL6-P3212, a Sick M8 Connector Retro-reflective Sensor, uses dual lens retro-reflective principle, Ø 8 mm light spot, and ≤ 625 µs response time. It includes IP67 protection, rectangular housing, 10–30 V DC supply, and integrates with Sick, Sick Photoelectric Sensors, and the G6 series.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GL6-P3212 |
Sick GL6-P3212 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 | Connector M8, 3-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 GL6-P3212 Sick M8 Connector Retro-reflective Sensor is designed for stable object detection in industrial automation systems. It provides 5 m sensing range, PNP output, and operates with a PinPoint LED light source and 1000 Hz switching frequency. As part of the G6 series, the GL6-P3212 uses dual lens retro-reflective sensing for consistent detection.
The GL6-P3212 is used in conveyors, packaging lines, and automated assembly systems where reflective sensing is required. Its retro-reflective design supports reliable detection across varying object types. The M8 connector simplifies installation and ensures stable electrical connection in industrial environments.
The Sick GL6-P3212 Photoelectric Sensor ensures consistent sensing performance with defined switching behavior. The GL6-P3212 in the G6 series supports stable detection with minimal adjustment. As part of the Sick sensor range, it is suitable for industrial automation systems requiring reliable and repeatable operation.

