Single beam light curtain

Single beam light curtains, also known as photoelectric safety barriers or single-beam safety sensors, are optoelectronic devices designed to detect the presence of an object or person within a defined area. These units consist of a transmitter and a receiver that project a single infrared beam across a protected zone. Key technical parameters include sensing range (typically from 0.5 to 70 meters), response time (often under 10 ms), output type (PNP/NPN, relay, or OSSD), and housing material (aluminum or polycarbonate). They operate at supply voltages of 12-24 VDC or 24 VAC/DC, with protection ratings up to IP65 or IP67 for harsh industrial environments. The beam wavelength is usually in the infrared spectrum (850-950 nm), and some models feature integrated muting or blanking functions for flexible integration.

These devices are primarily deployed in industrial automation for access guarding, perimeter protection, and presence detection in hazardous machinery areas. Common applications include automated assembly lines, packaging systems, robotic cells, conveyor belts, and warehouse logistics. They are also used in elevator doors, automatic gates, and heavy machinery like presses and shears to prevent accidental entry. In cleanrooms or food processing plants, stainless steel housings with IP69K ratings are available. The single-beam design is ideal for long-range detection where multi-beam arrays are unnecessary, such as in vehicle detection at loading docks or large-scale material handling systems.

Within this category, key subcategories include standard single-beam light curtains, polarized retro-reflective sensors, and through-beam photoelectric sensors. Main article codes often follow a pattern like SLC-xxxx-xx, where the first digits indicate sensing range (e.g., SLC-10M for 10 meters) and the suffix denotes output type (e.g., -PNP or -NPN). For example, the SLC-30M-PNP model offers a 30-meter range with PNP output. Other common codes include LCS-xxxx (Light Curtain Standard) and PSS-xxxx (Photoelectric Safety Sensor). These codes are typically structured as [Family]-[Range]-[Output], ensuring easy identification for procurement and inventory management.

Partnering with Electric Automation Network ensures access to genuine, certified single beam light curtains with real-time pricing and global express shipping. Our engineering team provides personalized technical support for system design, including beam alignment, cable routing, and compliance with safety standards like IEC 61496. We offer detailed datasheets with wiring diagrams and response curves for each article. Whether you need a single unit for a retrofit or bulk supply for a new installation, our logistics network guarantees delivery within 48 hours to most industrial zones worldwide.