Description
The Omron E3S-AR66 is a retro-reflective photoelectric sensor designed for reliable object detection up to 2 meters. Operating on 10 to 30 VDC, it features an NPN open-collector output with selectable Light-ON or Dark-ON modes. This sensor is suitable for industrial automation systems requiring stable detection performance in harsh environments.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Omron |
| Category |
Sensors & Switches |
| Part Number |
E3S-AR66 |
| Subcategory |
Photoelectric |
| Series |
E3S-A |
| Sensing Method |
Retro-Reflective with M.S.R. |
| Sensing Distance |
0.1 m to 2 m |
| Light Source |
Red LED (660 nm) |
| Supply Voltage |
10 to 30 VDC |
| Current Consumption |
30 mA max. |
| Output Type |
NPN Open Collector |
| Max Load Current |
100 mA |
| Response Time |
0.5 ms max. |
| Ingress Protection |
IP67, NEMA 4X (indoor) |
| Operating Temperature |
-25°C to +55°C |
| Connection Method |
M12 Connector |
| Weight |
0.71 lbs |
Information About E3S-AR66
The E3S-AR66 is part of Omron’s E3S-A series of industrial photoelectric sensors engineered for robust factory applications. It utilizes a red LED light source and a retro-reflective sensing method with M.S.R. function to enhance detection reliability. The sensor is housed in a durable square-type enclosure rated IP67 and NEMA 4X (indoor use), providing protection against dust and moisture. Designed with an M12 connector interface and a two-turn sensitivity adjustment mechanism, it integrates easily into automated production and material handling systems.
Key Features:
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Retro-Reflective Sensing: Detects objects using a reflector with a sensing range up to 2 meters.
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NPN Open-Collector Output: Supports up to 30 VDC and 100 mA load capacity.
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Selectable Operation Mode: Light-ON or Dark-ON configuration for flexible control logic.
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Fast Response Time: 0.5 ms maximum operate or reset time.
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Wide Supply Voltage Range: Operates from 10 to 30 VDC with ripple tolerance.
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IP67 / NEMA 4X Protection: Resistant to dust and water ingress for industrial environments.
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Two-Turn Sensitivity Adjustment: Fine tuning with built-in indicator for setup accuracy.
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Red LED Light Source: 660 nm visible light for stable and consistent detection.
The E3S-AR66 delivers the reliability and precision required for industrial photoelectric object detection in automation systems.
