E2S-Q21 1M

Product ID:65061
Updated: 2026/4/6
Omron E2S-Q21 1M

Key Features

  • 1Compact Design: The E2S-Q21 1M features a super-compact size of 8 x 8 x 23 mm, making it perfect for space-constrained installations.
  • 2Front-Face Sensing: Equipped with front-face sensing capability, this sensor is ideal for detecting objects directly in front of it.
  • 3Unshielded Operation: Designed for unshielded applications, the E2S-Q21 1M offers flexibility in various industrial settings.
  • 4DC 2-Wire Configuration: Compatible with DC 2-wire models, this sensor provides a simple and reliable connection method.
  • 5High Sensitivity: With a sensing distance of 2.5 mm ±15%, the E2S-Q21 1M offers high sensitivity for detecting ferrous metals effectively.
Product Details
E2S-Q21 1M
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