E3FA-RN112MOMI

Overview of Omron E3FA-RN112MOMI

The Omron E3FA-RN112MOMI is a retro-reflective photoelectric sensor designed for reliable, long-distance object detection. It features an M18 threaded cylindrical housing and a red LED light source with polarized optics for enhanced sensing accuracy. This sensor provides an NPN or PNP open-collector output with selectable Light-ON or Dark-ON operation. It has an impressive sensing distance of up to 4 meters and ultra-fast response time of 0.5 ms, suitable for high-speed automation processes.

Key Features of Omron E3FA-RN112MOMI

• Sensing Distance: Up to 4 m with E39-R1S reflector.
• Output Type: NPN/PNP open-collector, 100 mA max load current.
• Operation Modes: Light-ON/Dark-ON selectable by wiring.
• Light Source: Red LED, polarized, wavelength approximately 624 nm.
• Response Time: 0.5 ms max.
• Connection: Pre-wired cable, 2 m length.
• Protection Rating: IP67 and IP69K for dust and high-pressure washdown resistance.
• Power Supply Voltage: 10 to 30 V DC with polarity protection and ripple tolerance.
• Adjuster: Manual one-turn sensitivity adjuster.
• Housing Material: ABS plastic for lightweight durability.
• Operating Temperature: -25°C to 55°C.
• Dimensions: Length approx. 41 mm, diameter M18 thread.

Technical Specifications of Omron E3FA-RN112MOMI

Model	E3FA-RN112MOMI
Sensing Method	Retro-reflective with polarized red LED
Sensing Distance	100 mm to 4 m (with reflector E39-R1S)
Output Type	NPN/PNP open-collector
Operation Mode	Light-ON/Dark-ON selectable
Light Source	Red LED (624 nm)
Response Time	0.5 ms max.
Power Supply	10 to 30 V DC
Connection	Pre-wired cable, 2 m
Protection Rating	IP67, IP69K
Housing Material	ABS plastic
Adjuster	One-turn sensitivity adjuster
Operating Temperature	-25 to 55 °C
Dimensions	M18 × 41 mm length
Weight	Approx. 50 g

Applications / Use Cases

The E3FA-RN112MOMI sensor is ideal for long-distance object detection in packaging, material handling, and general industrial automation where fast, reliable sensing and high resistance to environmental conditions are required.

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Verification Links:
https://www.ia.omron.com/products/family/3130/specification.html
https://edata.omron.com.au/eData/PEs/E423-E1-02.pdf
https://www.mouser.com/ProductDetail/Omron-Automation-and-Safety/E3FA-RN11-2M