Sick GL6-N1211 Photoelectric Sensor
The Sick GL6-N1211 photoelectric sensor is a dual-lens retro-reflective sensor with 5 m sensing range using 650 nm light. This Sick photoelectric sensor from the G6 series operates with NPN output, supports 10–30 V DC supply, offers IP67 protection, includes dual-lens optics, selectable light or dark switching, potentiometer adjustment, and a fixed 3-wire cable connection for industrial automation use.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GL6-N1211 |
Sick GL6-N1211 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 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 | 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-N1211 Sick Dual Lens NPN Retro-reflective Sensor is a photoelectric sensor used for reliable object detection in industrial automation systems. It provides 5 m sensing range, NPN digital output, 650 nm red light, and dual-lens retro-reflective optics for stable signal behavior. This model belongs to the Sick G6 series and is designed for controlled detection tasks within automated machinery and production environments.
The GL6-N1211 Sick Dual Lens NPN Retro-reflective Sensor is applied in conveyors, packaging lines, automated assembly systems, and material handling equipment. Its retro-reflective operating principle supports consistent detection in compact layouts. Selectable light or dark switching enables predictable output logic, while the IP67 enclosure allows operation in dust-prone and industrial conditions without affecting sensing stability.
The Sick GL6-N1211 photoelectric sensor combines defined optical performance with stable electrical characteristics for industrial use. With IP67 enclosure, standardized housing dimensions, and controlled response time, it integrates reliably into automation systems. As part of the Sick G6 photoelectric sensor family, this model is suitable for long-term deployment where dependable detection and consistent NPN output behavior are required.
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