In most procurement cycles, E3FA-LP21 is considered with Omron Photoelectric Sensor, E3Z D61 2M and Omron Sensors, giving decision-makers confidence that theyβve chosen the most dependable component.
Omron E3FA-LP21 Photoelectric Sensor
The Omron E3FA-LP21 Photoelectric Sensor provides PNP output with background suppression (BGS) and a precise 100 mm detection range using a red LED (624 nm) for reliable sensing. It operates on a 10β30 VDC power supply and is part of the Omron automation range under the Omron Photoelectric Sensors category and the Omron E3FA Series. Designed with a plastic housing and M12 connector, this sensor ensures 0.5 ms response time, stable performance, and long-term durability in industrial automation environments.
| Brand | Omron |
| Product Type | Photoelectric Sensor |
| Model Number | E3FA-LP21 |
Omron E3FA-LP21 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Background suppression |
| Sensing Distance | 100 mm (white paper: 300 Γ 300 mm) |
| Light Source | Red LED (624 nm) |
| Power Supply Voltage | 10 to 30 VDC (include voltage ripple of 10%(p-p) max.) |
| Output configuration | PNP |
| Connection Method | M12 Connector |
| Current Consumption | 25 mA max. |
| Control Output | Load current: 100 mA max. (Residual voltage: 3 V max.), Load power supply voltage: 30 VDC max. |
| Operation Mode | Light-ON/Dark-ON selectable by wiring |
| Response Time | 0.5 ms |
| Sensitivity Adjustment | Fixed |
| Indicators | Operation indicator (orange) Stability indicator (green) |
| Ambient Illumination | Incandescent lamp: 3,000 lx max./ Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: -25 to 55Β°C/ Storage: -40 to 70Β°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35 to 85%/ Storage: 35 to 95% (with no condensation) |
| Insulation Resistance | 20 MΞ© min. at 500 VDC |
| Dielectric Strength | 1,000 VAC at 50/60 Hz for 1 min. between current-carrying parts and case |
| Vibration Resistance | Destruction: 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y and Z directions |
| Shock Resistance | Destruction: 500 m/s2 3 times each in X, Y and Z directions |
| Protection Circuits | Power supply reverse polarity protection, Output short-circuit protection, and Output reverse polarity protection |
| Degree of Protection | IEC: IP67, DIN 40050-9: IP69K |
| Material | ABS, PMMA, POM, POM |
| Weight | Approx. 60 g/ Approx. 50 g |
The Omron E3FA-LP21 Photoelectric Sensor is part of the Omron E3FA Series designed for precise background suppression detection in industrial automation. It features a PNP open collector output, 100 mm fixed sensing distance, red LED light source, and M12 connector interface. Operating on a 10 to 30 VDC power supply, this model provides stable and reliable performance for machine automation and inspection systems across various industrial environments in India.
Widely used in packaging, conveyor lines, and assembly automation, this sensor delivers consistent detection even in varying light or surface conditions. Its background suppression capability ensures reliable object recognition without being affected by reflective backgrounds. The E3FA-LP21 helps maintain process accuracy, minimizing false detections and ensuring dependable system operation in production and quality control setups.
The Omron E3FA-LP21 Photoelectric Sensor offers a fixed 100 mm background suppression sensing configuration suited for stable detection at short ranges. For users requiring an NPN output variation with identical sensing distance and housing, the Omron E3FA-LN21 Photoelectric Sensor provides the same optical and mechanical design. Those preferring a pre-wired cable connection instead of an M12 connector can choose the Omron E3FA-LP11 2M Photoelectric Sensor. Alternatively, applications demanding a more rugged metal housing can opt for the Omron E3FB-LP21 Photoelectric Sensor, which offers enhanced durability while retaining PNP output and 100 mm sensing distance. The Omron E3FA-LP21 remains a reliable choice for compact automation systems requiring quick installation and stable object detection.
Engineered by Omron Corporation, the E3FA-LP21 Photoelectric Sensor combines compact design, IP67 and IP69K protection ratings, and a 0.5 ms maximum response time to ensure long-term reliability. It operates effectively within a temperature range of β25Β°C to 55Β°C, maintaining precision under demanding factory conditions. Trusted for its consistent performance and robust construction, this Omron E3FA model supports efficient automation and enhances productivity in industrial processes across India.
