OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector
The OMRON E3RA-RN21 is an M18 threaded cylindrical photoelectric sensor with a built-in 4-pin M12 connector. It operates on a 10-30V DC supply and features an NPN output. This sensor is designed for industrial…
SKU 3G-OTH-159705
Also listed as: E3RARN21 · E3RA RN21
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The OMRON E3RA-RN21 is an M18 threaded cylindrical photoelectric sensor with a built-in 4-pin M12 connector. It operates on a 10-30V DC supply and features an NPN output. This sensor is designed for industrial automation applications requiring reliable object detection.
Frequently Asked Questions
What is the OMRON E3RA-RN21 photoelectric sensor used for?
The OMRON E3RA-RN21 is used for reliable object detection in industrial automation, such as presence sensing, positioning, and counting on conveyor lines or packaging machinery. Its M18 threaded cylindrical design suits tight spaces, and the built-in M12 connector simplifies wiring in factory environments.
What are the specifications of the OMRON E3RA-RN21?
The OMRON E3RA-RN21 is an M18 threaded cylindrical photoelectric sensor with a built-in 4-pin M12 connector. It operates on 10-30V DC supply and provides NPN output. The sensor is designed for reliable object detection in industrial automation applications.
Where to buy the OMRON E3RA-RN21 worldwide?
You can source the OMRON E3RA-RN21 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OMRON sensors for your automation needs.
How to install the OMRON E3RA-RN21 sensor?
Mount the sensor using the M18 threaded body into a suitable bracket or hole. Connect the 4-pin M12 connector to a compatible cable, ensuring 10-30V DC power and proper NPN wiring. Align the sensor with the target and adjust sensitivity if needed. Follow standard industrial safety practices during installation.
Used in
Common applications for OMRONOMRON Products
3G Electric supplies OMRON cylindrical sensors with built-in connectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
