The SICK GL2S-N1311 (Part No. 1064360) is a compact, high-performance retro-reflective photoelectric sensor designed for demanding industrial automation applications. Belonging to the G2 sensor series, it combines miniature size, advanced optical precision, and robust durability to ensure reliable detection in space-constrained environments.

With its ultra-slim dimensions of only 7.7 mm × 21.8 mm × 13.5 mm, the GL2S-N1311 is ideally suited for tight machinery layouts and applications where installation space is limited. Despite its compact footprint, it incorporates a dual-lens retro-reflective design, enabling accurate detection even when mounted very close to the reflector. This versatility makes it highly effective for short-range sensing in automated systems.

The sensor’s PinPoint LED technology enhances precision. It emits a visible red light beam at 640 nm, producing a sharply defined light spot of approximately 11 mm in diameter at 250 mm. This fine focus simplifies alignment during setup and ensures accurate detection of small, reflective, or irregularly shaped objects. The visible beam also makes it easy to verify performance during operation and maintenance.

Performance is a standout aspect of the GL2S-N1311. The sensor is equipped with an NPN light-switching output that responds in less than 0.6 ms and supports switching frequencies up to 800 Hz. This combination of speed and accuracy makes it ideal for fast-moving conveyor systems, robotic arms, packaging machinery, and other high-throughput industrial environments.

To guarantee consistent reliability, the GL2S-N1311 is designed with integrated circuit protection. It includes safeguards against reverse-polarity connections, electrical interference, over-current, and short-circuit faults. These protections minimize downtime, extend sensor life, and reduce maintenance requirements, providing long-term value in industrial operations.

The sensor is equally impressive in terms of durability. Its rugged ABS plastic housing is rated IP67, providing full protection against dust ingress and resistance to water immersion. This makes it suitable for tough industrial conditions where moisture, dust, or vibration are common. The sensor also operates across a broad supply voltage range of 10–30 V DC and remains reliable in ambient temperatures ranging from –25 °C to +50 °C, ensuring flexibility across varied applications.

Energy efficiency is another advantage. With a low current consumption of just 20 mA, the sensor offers strong detection performance while minimizing energy use. The NPN output can handle switching loads of up to 50 mA, making it a robust choice for integration into existing systems.

In summary, the SICK GL2S-N1311 is a compact, fast, and durable sensor that delivers reliable retro-reflective detection with pinpoint accuracy. Its combination of small size, optical clarity, rugged build, and electrical protections makes it an excellent choice for modern automation, robotics, and material handling applications where precision and dependability are essential.