E2S-Q21 5M

Product ID:65045
Updated: 2026/4/6
Omron E2S-Q21 5M

Key Features

  • 1Compact design with an 8mm x 8mm x 23mm sensing head.
  • 2Front sensing distance of 2.5mm with ±15% accuracy.
  • 3Compatible with through-beam and flat-view sensing devices.
  • 4Operates on DC 2-wire models with a 10 to 30 VDC operating voltage range.
  • 5Features a protective circuit with power supply reverse polarity protection and surge suppressor.
Product Details
E2S-Q21 5M
Omron

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Case material
Polyarylate resin
Connection
PVC cable
Overall length (mm)
Does not apply, rectangular shape
Shielded
Unshielded
Size
8 x 8 x 26 mm
Sensing Distance
2.5 mm
Output
2 Wire DC
Operation
NO
Supply voltage
12 to 24 VDC
Threaded length (mm)
Does not apply, rectangular shape
Mounting
Mounts to a flat surface with a bracket and M2.5 or M3 screw
Cable Length
1 m

Specifications may be subject to change without notice