E3FA-TN21

Product ID:65928
Updated: 2026/7/15
Omron E3FA-TN21

Key Features

  • 1High Sensing Distance: 20 meters through-beam sensing capability.
  • 2Robust Design: IP67/IP69K protection for harsh environments.
  • 3Easy Adjustment: Single-turn manual adjustment for precise settings.
  • 4Bright LED Light: Polarity-free red LED with high visibility.
  • 5Versatile Output: NPN open collector output for various control systems.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Body Type
Threaded Cylindrical
Housing Material
Plastic
Sensing Direction
Straight
Size
M18
Supply Voltage
10 to 30 VDC
Type
Short body
Sensing Method
Through-beam
Output
NPN
Max Sensing Distance
20 m
Connection
M12 4-pin connector
Light Source
Red LED
Operation
L-ON/D-ON selectable

Specifications may be subject to change without notice

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