Omron E3FB-TP21 Photoelectric Sensor
Omron E3FB-TP21 Photoelectric Sensor is a throughbeam sensor with a 20 m detection distance, designed for high-precision object sensing in industrial automation. Known as an Omron Throughbeam Photoelectric Sensor, it provides PNP output, an M12 connector, and operates on 10–30 VDC with Light-ON and Dark-ON modes. This sensor includes a separate emitter (E3FB-TP21-L) and receiver (E3FB-TP21-D) with a red LED for accurate detection in long-range applications. Manufactured by Omron electronics, it is part of the industrial photoelectric sensor collection and belongs to the E3FB Series lineup, providing reliable detection for conveyors, packaging, and automated production systems.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3FB-TP21 |
Omron E3FB-TP21 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Throughbeam |
| Sensing Distance | 20 m |
| Emitter Number | E3FB-TP21-L |
| Receiver Number | E3FB-TP21-D |
| Light Source | Red LED |
| Power Supply Voltage | 10 to 30 VDC |
| Output Configuration | PNP |
| Connection Method | M12 Connector |
| Current Consumption | Emitter: 25 mA Receiver: 15 mA |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | 0.5 ms |
| Degree Of Protection | IP67/IP69K |
| Material | Brass, nickel plated |
The Omron E3FB-TP21 is a throughbeam photoelectric sensor designed for long-distance object detection up to 20 m. Engineers rely on this Omron Throughbeam Photoelectric Sensor for precise monitoring in industrial automation, including conveyor lines, packaging equipment, and material handling systems. Its PNP output and M12 connector allow easy integration, while the red LED ensures clear signal transmission for both emitter and receiver units.
In industrial environments, the E3FB-TP21 provides reliable Light-ON and Dark-ON operation across varying conditions. The separate emitter and receiver design ensures high accuracy and repeatable performance for long-range detection. Its 10–30 VDC power supply maintains stable operation, supporting continuous automated processes in production lines and high-speed applications.
From a system perspective, the Omron E3FB-TP21 Throughbeam Photoelectric Sensor integrates seamlessly into compact and high-precision automation panels. Its alignment with the E3FB Series ensures uniform performance across different setups, making it a dependable choice for engineers seeking long-range, robust, and precise photoelectric detection in industrial systems.
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