Compact square type proximity sensor with a 2.5 mm sensing distance, DC 2-wire operation, and different frequency type. Ideal for industrial automation applications.
Product ModelE2S-W21B 5M
Product ID65707
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Compact Design The E2S-W21B 5M features a super-compact size, measuring 8 mm x 7.4 mm x 20 mm, making it perfect for space-constrained industrial settings.
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Feature2. Reliable Sensing Distance With a sensing distance of 2.5 mm ±15%, this sensor ensures accurate detection of ferrous metal objects, such as iron.
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Feature3. Versatile Power Supply The sensor operates on a DC 2-wire model, supporting a power supply voltage range of 12 to 24 VDC, and an operating voltage range of 10 to 30 VDC.
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Feature4. Robust Protection Equipped with protective circuits including power supply reverse polarity protection and surge suppressors, this sensor ensures reliable operation in harsh environments.
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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Feature5. Wide Operating Range The E2S-W21B 5M operates within a wide ambient temperature range of -25 to 70 ℃ and humidity range of 35 to 90%, making it suitable for various industrial conditions.
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
