Omron E3S-AR86 Retro-Reflective Photoelectric Sensor: Technical Guide and Application Manual
Selecting a sensor requires more than just checking the sensing distance. The Omron E3S-AR86 is a Retro-Reflective Photoelectric Sensor thatoperates at 12-24V DC and stands out in conveyor end-of-line detection applications with field-tested reliability.
Omron’s sensor portfolio is not limited to photoelectric and inductive technologies. The company’s Omron Sensor range also covers capacitive, ultrasonic and laser sensors — often integrated into the same panel alongside units like this one.
What Is the Omron E3S-AR86 Retro-Reflective Photoelectric Sensor?
The Omron E3S-AR86 is a Retro-Reflective Photoelectric Sensor rated at 12-24V DC designed to reliably handle conveyor end-of-line detection applications. Key engineering features include reflector operation, sensing distance 4 m, compact body, ip67.
What separates this sensor from generic alternatives is in the details: reflector operation, sensing distance 4 m, compact body, ip67. Operating at 12-24V DC, it integrates straightforwardly into standard industrial automation systems.
Technical Specifications
The table below summarises the main technical parameters of the Omron E3S-AR86. For complete specifications, refer to the official Omron product datasheet.
| Parameter | Value |
|---|---|
| Product Type | Retro-Reflective Photoelectric Sensor |
| Operating Voltage | 12-24V DC |
| Output Type | NPN/PNP |
| Output Current | 100 mA |
| Key Features | Reflector operation, sensing distance 4 m, compact body, IP67 |
| Mounting | Screw mount |
| Lifetime | Semiconductor |
| Operating Temperature | -25°C to +55°C |
| Compatible Accessory | Reflector E39-R1, mounting bracket |
Where Is It Used?
The Omron E3S-AR86 Retro-Reflective Photoelectric Sensor is commonly specified for the following applications:
- Conveyor end-of-line detection
- Long-range detection
- Industrial palletising
Across these use cases, the consistent requirement is reliable detection — often in environments where an unplanned fault would create significant disruption. The Omron E3S-AR86 is designed with exactly those conditions in mind.
Installation Notes
Installation is straightforward: determine the mounting location, secure the sensor with screws or bracket, connect the cable to the correct terminals, and adjust the target distance. The Omron E3S-AR86 Retro-Reflective Photoelectric Sensor requires no specialised tools.
For ongoing maintenance, keep the sensor lens clean, check cable connections, and periodically test that the LED indicator functions correctly. Early intervention avoids the much larger cost of an unplanned production stop.
Why Choose the Omron {c}?
The case for choosing the Omron E3S-AR86 Retro-Reflective Photoelectric Sensor is not built on marketing alone. It rests on measurable factors: tested sensing distance, IP67 protection rating certification, and a global support network.
Frequently Asked Questions
What applications is the Omron E3S-AR86 designed for?
The Omron E3S-AR86 Retro-Reflective Photoelectric Sensor is designed primarily for conveyor end-of-line detection, long-range detection, industrial palletising.
What voltage does the Omron E3S-AR86 operate at?
The Omron E3S-AR86 operates at 12-24V DC supply voltage.
What is the sensing distance of the Omron E3S-AR86?
Sensing distance depends on target material and environmental conditions. The nominal sensing distance for the Omron E3S-AR86 Retro-Reflective Photoelectric Sensor is stated in the datasheet. In actual applications, 80% safe operating margin is recommended.
What protection rating does the Omron E3S-AR86 have?
The Omron E3S-AR86 Retro-Reflective Photoelectric Sensor has IP67 protection rating, meaning it is protected against dust and temporary water immersion.
Where can I source the Omron E3S-AR86 in Europe?
The Omron E3S-AR86 Retro-Reflective Photoelectric Sensor is available through Omron’s authorised European distributors.

