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Part of the Omron Photoelectric Sensors series — see the full model table, lifecycle status and replacement parts.

Omron E3FA-DN12 — multiple sealed anti-static clear plastic bags of E3FA-DN12 sensors stacked on a white plastic shelf, each bag showing the white E3FA-DN12 PHOTOELECTRIC SENSOR type label / 10 to 30V DC / 2m / LOT No. 01825M / QTY 1 / KCC-REM-OMR-CP1W-0013 KC mark / barcode 4 548583 312326 / OMROM Cooperation / OMRON EUROPE B.V. importer / MADE IN CHINA / blue OMRON band; the sensor body and cable visible through the bag, coil of black PVC cable in the foreground bag

Omron E3FA-DN12 — M18 Diffuse Sensor

SKU: E3FA-DN12

USD 10.00

E3FA M18 diffuse-reflective sensor, NPN output, M12 connector on rear face. 100 mm range, red 624 nm LED, IP67.

1-Year Warranty Full manufacturer warranty
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Product Overview

The Omron E3FA-DN12 is an M18 cylindrical diffuse-reflective photoelectric sensor with a built-in amplifier. It is manufactured by Omron Corporation. Hengyixin Automation ships this sensor from our Xiamen warehouse with a 30-day DOA return window and a datasheet PDF included in the box.

1 ms or less response time 12-24 VDC plus or minus 10 percent supply at 25 mA max NPN open-collector output, 100 mA max at 26.4 VDC, Light-ON / Dark-ON selectable via rear slide switch Operating temperature -25 to +55 degrees Celsius

Key specs: Model E3FA-DN12; Sensing Principle Diffuse-reflective, M18 threaded plastic body; Sensing Range 100 mm on 100 x 100 mm white paper (up to 300 mm on 300 x 300 mm white paper); Light Source Visible red 624 nm LED (NOT a laser); Output Type NPN open-collector, 100 mA max at 26.4 VDC; Output Mode Light-ON / Dark-ON selectable via slide switch on rear face; Response Time 1 ms or less; Supply Voltage 12 to 24 VDC plus or minus 10 percent at 25 mA max.

Key Features

  • 1 ms or less response time
  • 12-24 VDC plus or minus 10 percent supply at 25 mA max
  • NPN open-collector output, 100 mA max at 26.4 VDC, Light-ON / Dark-ON selectable via rear slide switch
  • Operating temperature -25 to +55 degrees Celsius
  • SKU: E3FA-DN12
  • Series: E3FA-series compact cylindrical photoelectric sensor with built-in amplifier
  • Voltage: 12 TO 24 VDC

Best-Fit Applications

  • Detect part-presence on a conveyor at 100 mm working distance, sink into a CJ / CP1 / NX digital input
  • Replace a worn-out E3FA-DP12 / DP22 in a washdown-light station where the IP67 plastic body is acceptable
  • Pair with an XS2F / XS2W M12 4-pin cordset for a sub-15 m cable run to a CJ-series input card

Buying Checklist

  • Pick the E3FA-VP1 (Transparent detection) when the build detects clear glass or PET bottles
  • Pick the E3FA-DN11 instead for the pre-wired 2 m cable variant (no M12 connector required)
  • Pick the E3FA-DP12 instead for the PNP (sourcing) twin in the same M12 connector body

Technical Specifications

Series E3FA-series compact cylindrical photoelectric sensor with built-in amplifier
Model E3FA-DN12
Sensing Principle Diffuse-reflective, M18 threaded plastic body
Sensing Range 100 mm on 100 x 100 mm white paper (up to 300 mm on 300 x 300 mm white paper)
Light Source Visible red 624 nm LED (NOT a laser)
Output Type NPN open-collector, 100 mA max at 26.4 VDC
Output Mode Light-ON / Dark-ON selectable via slide switch on rear face
Response Time 1 ms or less
Supply Voltage 12 to 24 VDC plus or minus 10 percent at 25 mA max
Connector M12 4-pin connector on rear face (suffix -12 = M12 connector variant)
Protection Rating IP67 (NOT IP69K; stainless IP69K is the E3FB line)
Operating Temperature -25 to +55 degrees Celsius; CE / RoHS / cULus / UKCA / EAC approved

FAQ for E3FA-DN12

What is the difference between E3FA-DN11 and E3FA-DN12?
Wiring. The E3FA-DN11 ships with a pre-attached 2 m oil-resistant PVC cable pigtail -- no M12 connector needed. The E3FA-DN12 (this SKU) ships with an M12 4-pin connector on the rear face; the field cable is attached with a separate XS2F / XS2W M12 4-pin cordset. Both sensors are otherwise identical: NPN diffuse, 100 mm range, M18 plastic body, IP67.
Is the E3FA-DN12 rated IP69K?
No. The E3FA-DN12 is IP67 rated only. IP69K (high-temperature, high-pressure washdown) belongs to the E3FB stainless steel sensor line. For a washdown-grade diffuse-reflective sensor in the food / beverage industry, use the E3FB-DN22 (NPN / M12 connector, SUS316L stainless body, IP69K).
Does the E3FA-DN12 use a laser or an LED?
Visible red LED at 624 nm -- NOT a laser. The visible red dot is just an aiming aid. The laser BGS (background-suppression) sensor in the same E3FA housing is the E3Z-LL family (E3Z-LL61 NPN / E3Z-LL86 PNP). For laser diffuse-reflective sensing at long ranges (up to 1 m), move to the E3Z-L series.
Can the E3FA-DN12 detect black or shiny objects?
Diffuse-reflective sensors can detect most opaque objects at the rated distance, including black and shiny surfaces. The detection distance shortens on black and shiny surfaces because less light reflects back to the receiver. For background-suppression (BGS) detection with consistent distance on color- or surface-variable parts, use the E3Z-LS61 / LS66 BGS sensor instead.

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