Super-compact, front face sensing, unshielded, 2.5 mm, 2 wire DC, NO, alternative frequency, 1 m cable. Ideal for industrial automation applications.
Product ModelE2S-W21B 1M
Product ID65699
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Compact DesignThe Omron E2S-W21B 1M boasts a super-compact design, measuring 8 x 8 x 23 mm, making it perfect for space-constrained applications in industrial automation.
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2. Front Face SensingWith its front face sensing capability, this proximity sensor can detect objects directly in front of it, ensuring reliable operation in various industrial settings.
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3. High SensitivityThe E2S-W21B 1M features a high sensitivity of 2.5 mm, allowing it to detect ferrous metals accurately, even at close distances, making it suitable for a wide range of applications.
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4. Durable ConstructionConstructed with polyacrylate, this sensor offers excellent durability and resistance to environmental factors, ensuring long-term reliability in harsh industrial conditions.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Case material
Polyarylate resin
Connection
PVC cable
Overall length (mm)
Does not apply, rectangular shape
Shielded
Unshielded
Size
7.4 x 8 x 23 mm
Sensing Distance
2.5 mm
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5. IP67 ProtectionThe E2S-W21B 1M is rated IP67, providing protection against dust and water ingress, making it suitable for use in wet or dusty environments, enhancing its overall durability and lifespan.
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
