Omron E3FA-RP11 2M M18 Retro-Reflective Photoelectric Sensor

USD 26.46

4m M18 retro-reflective sensor with MSR and PNP output. Fast 0.5ms response and IP69K washdown rating. Perfect for high-speed conveyor detection and pallet sensing in logistics.

SKU Omron-E3FA-RP11 2M Category
Photoelectric Sensors

Omron E3FA-RP11 2M M18 Retro-Reflective Photoelectric Sensor

Model Identifier E3FA-RP11 2M
Official Part Number E3FA-RP11 2M
GTIN Standard 4548583440760

Technical Overview

The Omron E3FA-RP11 2M is a robust, compact M18 cylindrical retro-reflective photoelectric sensor designed for reliable detection in demanding industrial environments. Featuring a sensing range of 0.1 to 4 meters, it utilizes a highly visible, high-power polarized red LED for easy alignment. The built-in Mirror Surface Rejection (MSR) function ensures stable detection of shiny or highly reflective objects. Encased in a durable ABS plastic housing, the sensor boasts IP67 and IP69K ratings, making it exceptionally resistant to water ingress and suitable for high-pressure washdown applications. It operates on a 10-30 VDC supply with a PNP output and selectable Light-ON/Dark-ON modes, complete with a pre-wired 2-meter cable for seamless integration.

Key Features

  • Retro-reflective sensing with built-in Mirror Surface Rejection (MSR) for detecting shiny objects
  • 0.1m to 4m reliable sensing distance
  • IP67 and IP69K enclosure ratings withstand high-pressure, high-temperature washdowns
  • Bright, high-power polarized red LED (624 nm) for straightforward optical alignment
  • Selectable Light-ON / Dark-ON operation modes
  • Compact M18 threaded ABS plastic housing with flush mounting capabilities
  • High EMC protection and exceptional ambient light immunity
  • Pre-wired 2-meter connection cable

10 to 30 VDC supply voltage with a PNP solid-state output and low 40 mA current consumption.

Technical Specification Matrix

ParameterValue
Shape/DesignM18 Cylindrical / Axial
Sensing MethodRetro-reflective with MSR
Sensing Distance100 mm to 4000 mm (0.1 - 4 m)
Output TypePNP
Operation ModeLight-ON / Dark-ON Selectable
Light SourcePolarized Red LED (624 nm)
Response Time0.5 ms
Supply Voltage10 to 30 VDC
Current ConsumptionMax 40 mA
Material (Housing)ABS Plastic
Material (Lens)PMMA
Degree of ProtectionIP67 / IP69K
Connection Method2m Pre-wired Cable
Operating Temperature-25°C to +55°C

Industrial Applications

1. Food and Beverage Packaging Line Detection

Detecting the presence of bottles, cans, or packaged food items on a high-speed sanitary conveyor belt.

Problem Solved

Food and beverage environments require rigorous high-pressure, high-temperature washdowns that cause standard sensors to fail due to water ingress. The E3FA-RP11's IP69K rating perfectly handles harsh cleaning regimes, and its MSR (Mirror Surface Rejection) function prevents false triggering from wet or highly reflective packaging.

IP69K washdownMSR functionretro-reflectivepackaging detection

2. Automotive Metal Parts Verification

Counting or verifying the position of shiny metal automotive components on a fast-moving transfer line.

Problem Solved

Shiny, machined metal parts often trick standard photoelectric sensors into missing the object or false-triggering due to surface reflectivity. The polarized red LED and MSR function reject false reflections from the target, ensuring highly stable detection. The fast 0.5 ms response time effortlessly keeps up with high-speed automated processes.

Mirror Surface Rejection (MSR)polarized red LED0.5 ms response timemetal parts detection

3. Logistics and Automated Guided Vehicles (AGV) Obstacle Sensing

Obstacle detection and pallet presence sensing on mobile robotics and automated warehousing sorting systems.

Problem Solved

AGVs and sorting systems require compact, vibration-resistant sensors that operate on DC battery power. The E3FA-RP11 runs natively on 10-30 VDC, easily fits into tight robotic chassis with its M18 housing, and reliably detects pallets or obstacles up to 4 meters away, even in environments with heavy dust or strong ambient factory lighting.

10-30 VDC4m sensing distanceM18 barrel housinghigh EMC immunity
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