Sick GTB6-N4212 Photoelectric Sensor
The Sick GTB6-N4212 photoelectric sensor provides background suppression, 250 mm sensing range, and NPN output for industrial automation applications. This Sick 250 mm Background Suppression 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 | GTB6-N4212 |
Sick GTB6-N4212 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range max. | 5 mm ... 250 mm |
| Sensing range | 35 mm ... 140 mm |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 6 mm (100 mm) |
| Wave length | 650 nm |
| Adjustment | Mechanical spindle, 5 turns |
| 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 | 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 GTB6-N4212 Sick 250 mm Background Suppression Sensor is a rectangular photoelectric sensor designed for controlled object detection in industrial automation. The GTB6-N4212 operates with background suppression and a 35–140 mm sensing range, extending up to 250 mm maximum. It uses a visible red 650 nm LED and provides a NPN digital output while operating on 10–30 V DC supply. This model belongs to the G6 series and is used in structured industrial automation environments.
The GTB6-N4212 Sick 250 mm Background Suppression Sensor is applied in conveyors, packaging machines, assembly lines, and automated material handling systems. Its background suppression principle enables reliable detection of objects while minimizing false triggering from reflective backgrounds. The rectangular housing allows compact installation, and the stable NPN output ensures consistent signal transfer to PLC and control systems. The fast response time supports continuous operation in high-speed automation processes.
The Sick GTB6-N4212 Photoelectric Sensor delivers predictable performance through its IP67-rated enclosure, mechanical spindle 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 GTB6-N4212 is suitable for industrial automation environments requiring consistent detection, electrical reliability, and environmental resistance.
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