SKU: SENS-1669
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Omron E3FA-DN12 Photoelectric Sensor, NPN Open-Collector, 10-30VDC, Red LED 624nm, 300mm Range, IP67/IP69K

₹1,749.00 (Inclusive of all taxes)
Out of Stock

The Omron E3FA-DN12 is a diffuse-reflective photoelectric sensor with an NPN open-collector output, designed for industrial automation systems operating on 10-30VDC. It features a high-power 624nm red LED for precise alignment and a 300mm detection range, housed in a robust M18 cylindrical body with IP67/IP69K protection for demanding washdown environments.

Features

  • Diffuse-reflective photoelectric sensor with a 300mm (30cm) standard detection range.
  • NPN open-collector output compatible with 10-30VDC industrial PLCs and controllers.
  • High-power 624nm red LED emitter for excellent visibility and alignment.
  • Robust M18 cylindrical housing with IP67/IP69K ratings for dust, water, and high-pressure washdown resistance.
  • Fast response time of 0.5ms for high-speed object detection and counting applications.

Out of stock

Description

The Omron E3FA-DN12 utilizes a diffuse-reflective sensing principle, where the built-in emitter and receiver are housed in the same unit. It projects a beam of red light (624nm) and detects the light reflected from a target object, making it suitable for detecting a wide variety of materials without requiring a separate reflector. This design simplifies installation and alignment in complex machinery.

Engineered for harsh industrial settings, the sensor’s IP67/IP69K rating ensures reliable operation in environments exposed to dust, moisture, and high-pressure, high-temperature cleaning procedures common in food & beverage, packaging, and pharmaceutical industries. Its 360° visible LED status indicators provide immediate operational feedback, while built-in circuitry offers strong immunity to ambient light and electromagnetic interference (EMC), ensuring stable signal integrity.

Key Features

  • Industrial-grade M18 threaded cylindrical housing for universal mounting.
  • IP67/IP69K protection rating for durability against dust, immersion, and high-pressure/steam jet cleaning.
  • High-intensity 624nm red LED provides a clearly visible beam for easy setup and alignment.
  • NPN open-collector output (sinking) for direct interface with standard PLC input modules and DC controllers.
  • Fast 0.5ms response time enables high-speed object detection and counting.
  • Wide operating voltage range of 10-30VDC for flexible integration into various control systems.
  • Excellent ambient light and EMC noise immunity for stable operation in electrically noisy environments.
  • Operating temperature range of -25°C to +55°C for use in a wide variety of climatic conditions.

Applications

  • Object presence detection and counting on conveyor belts in packaging and logistics automation.
  • Part positioning and verification in assembly line machinery and robotic work cells.
  • Level detection of bottles, cans, or packages in food & beverage and pharmaceutical production lines.
  • Door and gate monitoring in material handling and automated storage systems.
  • Machine guarding and intrusion detection in washdown-capable industrial environments.

Technical Specifications

Manufacturer / BrandOmron
Model NumberE3FA-DN12
Sensor TypeDiffuse-Reflective Photoelectric
Detection Distance300 mm (Standard)
Light SourceRed LED (624 nm)
Output TypeNPN Open Collector
Supply Voltage10 – 30 VDC
Current Consumption25 mA max.
Response Time0.5 ms
HousingM18 Cylindrical
Protection RatingIP67 / IP69K
Operating Temperature-25°C to +55°C
Dimensions (L x W)~40 mm x 18 mm (M18 Thread Diameter)
WeightApprox. 65 g

Frequently Asked Questions

What is the output type of the Omron E3FA-DN12 sensor and how do I wire it?

The E3FA-DN12 has an NPN open-collector (sinking) output. In a typical wiring scheme, the brown wire connects to the positive DC supply (10-30VDC), the blue wire to the negative/common, and the black wire is the output signal. The black wire sinks current to ground when an object is detected, which is read as a 'low' or '0' signal by a PLC input module configured for NPN sensors.

Can this sensor detect transparent objects like glass or clear plastic?

The standard E3FA-DN12 model is optimized for detecting opaque and diffusely reflective surfaces. For reliable detection of transparent objects (glass, clear PET), Omron offers specialized variants within the E3FA series. For such applications, consult the datasheet or consider a polarized retro-reflective or through-beam sensor model.

What does the IP67/IP69K rating mean for installation?

IP67 certifies protection against dust ingress and temporary immersion in water up to 1 meter for 30 minutes. IP69K certifies protection against close-range, high-pressure, high-temperature water jets and steam cleaning procedures. This dual rating makes the sensor suitable for harsh environments like food processing plants where frequent, aggressive washdowns are required.

What is the purpose of the two included locknuts?

The two locknuts are used for mounting the sensor securely into a standard M18 threaded mounting hole. One nut is typically used to lock the sensor at the desired depth/position from the front side of the panel, while the second nut can be used as a jam nut on the back side for added stability and vibration resistance.

Package Includes

  • 1 x Omron E3FA-DN12 Photoelectric Sensor
  • 2 x Locknuts for M18 mounting

Additional Information

Weight 0.065 kg
Dimensions 4 × 1.8 cm