Omron Inductive Block Proximity Sensor, 2.5 mm Detection, 2-Wire NO, 12 → 24 V dc

View all Proximity Sensors

Subtotal (1 unit)*

£58.05

(exc. VAT)

£69.66

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 14 unit(s) shipping from 02 October 2025
  • Plus 3 unit(s) shipping from 02 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£58.05

*price indicative

RS Stock No.:
215-7154
Distrelec Article No.:
301-37-156
Mfr. Part No.:
E2S-W21 1M
Brand:
Omron
Find similar products by selecting one or more attributes.
Select all

Brand

Omron

Sensor Technology

Inductive

Detection Range

2.5 mm

Body Style

Block

Digital Switching Output Type

2-Wire

Output Function

NO

Cable Length

1m

Connection Type

Pre-Cabled

Supply Voltage

12 → 24 V dc

IP Rating

IP67

Length

20mm

Mounting Type

Flush

Width

20mm

Maximum DC Voltage

24V

Diameter

8 mm

Minimum Operating Temperature

-25°C

Short Circuit Overload Protection

Yes

Switching Current

50 mA

Maximum Operating Temperature

+70°C

Standards Met

CE Certified

Series

E2S

Switching Frequency

1 kHz

Reverse Polarity Protection

Yes

Shielding

Unshielded

Maximum Switching Frequency

1kHz

Depth

7.4mm

Omron E2S Series Proximity Sensor, 2.5mm Detection Range, IP67 - E2S-W21 1M


This inductive proximity sensor is a compact solution designed for precise electronic applications. Known for its small detection range of 2.5mm, it operates effectively within a supply voltage range of 12 to 24V DC. The sensor features a block body style and is suitable for flush mounting, making it versatile for various setups and environments.

Features & Benefits


• High-frequency switching capability at 1kHz enhances performance
• IP67 rated sensor ensures protection against dust and moisture
• Designed with reverse polarity protection to prevent damage
• Features low current consumption for efficient operation
• Offers a NO digital output configuration for straightforward integration
• Unshielded design suitable for non-metallic environments

Applications


• Used for accurate position sensing
• Ideal for detecting metal objects in industrial environments
• Applicable in robotics for proximity detection
• Suitable for use in conveyor systems to monitor object presence

What is the significance of having reverse polarity protection?


The reverse polarity protection feature safeguards the sensor from damage caused by incorrect wiring during installation, ensuring longevity and reliability in various applications.

How does the sensor maintain stable detection despite fluctuations?


Its advanced inductive technology allows the sensor to adapt to variations in workpiece positions, guaranteeing reliable operation even with minor movements over a 2.5mm detection range.

What makes this proximity sensor suitable for flush mounting?


The compact block design allows for seamless integration into surfaces, ensuring minimal intrusion and enhancing aesthetic appeal while maintaining effective sensing capabilities.

How does the IP67 rating benefit operational environments?


Being IP67 rated means the sensor is fully protected against dust ingress and can withstand immersion in water up to a specified depth, making it ideal for challenging industrial conditions.

What type of maintenance is required to ensure optimal performance?


Regularly check the sensor for any signs of physical damage or accumulated debris, especially in environments with high dust or moisture levels, to maintain its responsiveness and accuracy.

Related links