Sick GL6-N1212 Photoelectric Sensor
The Sick GL6-N1212 photoelectric sensor is a retro-reflective sensor using PinPoint LED with 5 m sensing range capability applications. This Sick photoelectric sensor from the G6 series operates on NPN output, supports 10–30 V DC supply, uses 650 nm visible red light, features dual-lens optics, selectable light or dark switching, IP67 enclosure, and a fixed 3-wire cable connection for industrial automation.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GL6-N1212 |
Sick GL6-N1212 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 | NPN |
| 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 | ≤ 625 µs |
| Switching frequency | 1,000 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 GL6-N1212 Sick PinPoint LED Retro-reflective Sensor is a photoelectric sensor designed for stable object detection in industrial automation systems. It provides 5 m sensing range, dual-lens retro-reflective optics, NPN digital output, and 650 nm visible red PinPoint LED for controlled signal performance. This model belongs to the Sick G6 series and is used in automation environments requiring consistent optical detection.
The GL6-N1212 Sick PinPoint LED Retro-reflective Sensor is applied in conveyors, packaging equipment, automated assembly lines, and material handling systems. Its retro-reflective operating principle supports reliable detection in compact machine layouts. Selectable light or dark switching allows predictable output behavior, while the IP67-rated rectangular housing supports operation in dust-prone and industrial conditions.
The Sick GL6-N1212 photoelectric sensor delivers dependable sensing performance with defined optical and electrical characteristics. With IP67 enclosure, standardized housing dimensions, and controlled response time, it integrates reliably into industrial automation systems. As part of the Sick G6 photoelectric sensor family, this model is suitable for long-term use where stable detection and consistent NPN output behavior are required.

