Omron E3FA-BN11 2M Photoelectric Sensor
Omron E3FA-BN11 2M is a coaxial retro-reflective sensor offering precise 500 mm detection with NPN output. Designed for industrial automation, it provides reliable object detection in assembly lines and control panels. Manufactured by Omron automation, it belongs to the photoelectric sensing range and is part of the E3FA series sensors. Its pre-wired 2M cable, red LED light source, and flexible Light-ON/Dark-ON mode ensure smooth operation and seamless integration into conveyor systems, packaging lines, and other industrial processes. The compact cylindrical design allows efficient installation while maintaining consistent detection performance.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3FA-BN11 2M |
Omron E3FA-BN11 2M Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Coaxial Retro-reflective |
| Shape | Cylindrical axial |
| Sensing Distance | 500 mm |
| Power Supply Voltage | 10 to 30 VDC |
| Output Configuration | NPN |
| Connection Method | Pre Wired Cable,2M Length |
| Power Consumption | 25 mA max. |
| Light Source (Wavelength) | Red LED |
| Thread Size | M18 |
| Length | 41 mm |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | 0.5ms |
| Degree Of Protection | IP67/IP69K |
| Material Housing | ABS |
| Features | P-opaquing function, Transparent detection |
The Omron E3FA-BN11 2M is engineered for industrial applications requiring precise coaxial retro-reflective sensing with repeatable switching performance. It provides reliable detection across short and medium distances while maintaining consistent behavior during continuous operation. Engineers often select this model for its compact cylindrical housing, durable construction, and dependable performance under harsh factory conditions. Its pre-wired 2M cable simplifies installation, making it ideal for conveyors, assembly lines, inspection systems, and automated material handling processes without requiring additional wiring or accessories.
Supporting both Light-ON and Dark-ON operation, the E3FA-BN11 2M adapts efficiently to diverse detection scenarios. The red LED light source combined with NPN output ensures smooth signal processing, reliable integration with PLCs, and reduced errors in automated workflows. Common applications include packaging conveyors, automated assembly stations, and safety interlocks where precise non-contact detection is required.
Built for demanding industrial environments, the sensor operates reliably from -30°C to +70°C with cold-start capability to -40°C and can be stored safely between -40°C and +85°C. It withstands dust, moisture, and temperature fluctuations while maintaining consistent sensing performance. Overall, the Omron E3FA-BN11 2M offers precise detection, installation flexibility, and long-term durability, making it a trusted solution for high-accuracy industrial automation systems.
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