Sick GL6G-N1211 Photoelectric Sensor
The Sick GL6G-N1211 photoelectric sensor provides retro-reflective sensing with 5 m range, NPN output, and dual lens optics accuracy. This Sick 5m NPN Retro-reflective Sensor uses PinPoint LED visible red light at 650 nm wavelength, supports 1,000 Hz switching frequency, and operates on 10–30 V DC supply. It is manufactured by Sick, listed under Sick Photoelectric Sensors, and belongs to the G6 Series for industrial automation.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GL6G-N1211 |
Sick GL6G-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 GL6G-N1211 Sick 5m NPN Retro-reflective Sensor is a photoelectric sensor designed for stable object detection in industrial automation. The GL6G-N1211 integrates retro-reflective sensing, 5 m sensing range, NPN digital output, and a 1,000 Hz switching frequency. This model belongs to the Sick G6 series and is widely deployed across automated production environments.
The GL6G-N1211 Sick 5m NPN Retro-reflective Sensor is commonly used in conveyors, packaging lines, assembly systems, and material handling equipment. Its dual lens optical design supports reliable detection over longer distances while maintaining consistent signal stability. The rectangular housing allows straightforward mounting in compact machine layouts and fixed sensing positions.
The Sick GL6G-N1211 Photoelectric Sensor delivers dependable operation in demanding industrial conditions. With an IP67 enclosure and stable optical performance, it supports use in dusty and moisture-prone environments. As part of the G6 series, the GL6G-N1211 aligns with Sick photoelectric sensor standards and supports long-term reliability for industrial automation applications.
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