Short: Miniature rectangular inductive proximity sensor with end face sensing, unshielded, 2.5mm sensing distance, 2-wire DC, NO output, alternative frequency, 1m cable.
Product ModelE2S-Q21B 1M
Product ID65691
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Ultra-Compact DesignThe Omron E2S-Q21B 1M boasts an ultra-compact size, measuring 8 x 8 x 23 mm, making it perfect for space-constrained applications in industrial automation and control systems.
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2. High SensitivityWith a sensing distance of 2.5 mm, this sensor is highly sensitive and can detect objects with precision, ensuring reliable operation in various industrial settings.
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3. Versatile ConnectivityThe sensor is designed with a 2-wire DC connection, providing flexibility in integration with different control systems. It also features a 1m cable for easy installation.
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4. Durable ConstructionBuilt with a polyacrylate housing, the E2S-Q21B 1M offers excellent durability and resistance to environmental factors like temperature and humidity. It also features IP67 protection against dust and water.
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
8 x 8 x 26 mm
Sensing Distance
2.5 mm
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5. Easy MountingThe sensor comes with an L-shaped mounting bracket made of SUS304 stainless steel, ensuring secure and stable mounting on flat surfaces. This makes it easy to integrate into various industrial setups.
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
