Omron E3RB-TP21 Photoelectric Sensor
The Omron E3RB-TP21 Photoelectric Sensor offers Cylindrical radial, Through-beam, 15 m sensing distance, PNP, 10 to 30 VDC Power Supply Voltage. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3RB Series and includes an Emitter ( E3RB-TP21-L) and Receiver (E3RB-TP21-D), it utilizing a Red LED Light source.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3RB-TP21 |
Omron E3RB-TP21 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Shape | Cylindrical radial |
| Sensing Distance | 15 m |
| Emitter Number | E3RB-TP21-L |
| Receiver Number | E3RB-TP21-D |
| Power Supply Voltage | 10 to 30 VDC |
| Output Configuration | PNP |
| Connection Method | M12 Connector |
| Power Consumption | 40mA max. (Emitter 25 mA max. Receiver 15 mA max.) |
| Light Source (Wavelength) | Red LED |
| Thread Size | M18 |
| Length | 61 mm |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | 0.5ms |
| Degree Of Protection | IP67/IP69K |
| Material Housing | Brass, nickel plated |
The Omron E3RB-TP21 Photoelectric Sensor from Omron Corporation is a through-beam type designed for accurate object detection in industrial automation. It features a PNP open collector output, a 15 m sensing distance, and a red LED light source that ensures reliable signal detection even under ambient light. This radial-type, M18 metal housing sensor operates on a 10 to 30 VDC power supply and belongs to the Omron E3RB Series, widely used in industrial settings requiring durable and stable optical sensing solutions.
In factory automation systems, this model is used in material handling, conveyors, and automated packaging lines. Its stable output ensures dependable object detection without interference, improving production accuracy and reducing machine downtime. The rugged IP67/IP69K housing allows use in dusty or high-pressure washdown environments, making it suitable for food processing, assembly, and logistics applications where reliability and quick response time are essential for system efficiency.
The Omron E3RB-TP21 Photoelectric Sensor offers a high-performance sensing solution within the E3RB Series lineup. For applications requiring an NPN output type, the Omron E3RB-TN21 Photoelectric Sensor provides identical performance characteristics with alternate output configuration. If a pre-wired version is preferred instead of M12 connection, the Omron E3RB-TP11 2M Photoelectric Sensor offers a 2 m cable for fixed installations. Meanwhile, for users requiring retro-reflective sensing instead of through-beam operation, the Omron E3RB-RP21 Photoelectric Sensor includes MSR function and operates effectively up to 4 m using a reflector. The Omron E3RB-TP21 ensures accurate detection across varied industrial automation tasks.
Reliable, durable, and precisely engineered, the Omron E3RB-TP21 Photoelectric Sensor maintains consistent performance across demanding environments. With 0.5 ms response time, single-turn sensitivity adjustment, and a nickel-plated brass housing, it meets the needs of engineers seeking long-lasting, vibration-resistant sensors. Designed for stable object detection and minimal maintenance, it reinforces Omronβs reputation for dependable sensing technology across Indiaβs industrial automation sector.
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