Sick GRTB18S-N2417 Photoelectric Sensor
Sick GRTB18S-N2417 photoelectric proximity sensor offers 150 mm sensing range, background suppression, NPN output, and M18 housing design format. This GRTB18S-N2417 Sick 150 mm Cylindrical Photoelectric Sensor uses visible red PinPoint LED at 650 nm wavelength, supports 10–30 V DC supply, and switches up to 1,000 Hz. It belongs to Sick sensing solutions under Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTB18S-N2417 |
Sick GRTB18S-N2417 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 18 mm x 18 mm x 38.1 mm |
| Housing design (light emission) | Cylindrical |
| Thread diameter (housing) | M18 x 1 |
| Optical axis | Axial |
| Sensing range max. | 3 mm ... 300 mm |
| Sensing range | 20 mm ... 150 mm |
| Type of light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Ø 7 mm (100 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer, 270° |
| Indication | LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA |
| Switching Output | NPN |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | Approx. VS / ≤ 3 V |
| Output current Imax. | ≤ 100 mA 3) |
| Response time | < 500 µs 4) |
| Switching frequency | 1,000 Hz 5) |
| Connection type | Male connector M12, 4-pin |
| Protection class | III |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | Fastening nuts (2 x) |
| Ambient operating temperature | –25 °C ... +55 °C 9) |
| Ambient temperature, storage | –40 °C ... +70 °C |
The GRTB18S-N2417 Sick 150 mm Cylindrical Photoelectric Sensor is a background suppression photoelectric proximity sensor for precise short-range detection. The GRTB18S-N2417 Sick 150 mm Cylindrical Photoelectric Sensor supports 150 mm sensing distance, focused 7 mm light spot, and stable NPN switching output. This model belongs to the GR Series and is widely used in Indian industrial automation systems.
This sensor is commonly installed on conveyors, packaging lines, material handling equipment, and compact automation stations. Background suppression minimizes false detection from reflective surfaces, while the focused light spot enables accurate object sensing. Fast response time ensures consistent performance in high-speed industrial processes.
The GRTB18S-N2417 from Sick features an IP67 enclosure, compact cylindrical body, and M12 connector for reliable installation. Sick manufacturing standards ensure optical stability, electrical reliability, and long-term durability, making this sensor suitable for continuous industrial environments.

