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OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector - Cylindrical Sensors with Built-in Connectors
OMRONCylindrical Sensors with Built-in Connectors

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

Brand
OMRON
Item
Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector
Category
Cylindrical Sensors with Built-in Connectors
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Technical Specifications

OMRON
Manufacturer Part Number
E3RA-RN21
Type
Built-in Connector, NPN
DC
10-30V
Pin M12 Connector
4 -
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OMRON Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for OMRON
Automotive assembly lines — OMRON G2RV-ST500 AC/DC24 slim relays for compact control panel switching
Packaging machinery — OMRON E2E-X5Y1-M1 inductive proximity sensors for position detection of metal parts
HVAC systems — OMRON LY4-DC12 general-purpose relays for fan and compressor control
High-temperature ovens — OMRON E32-D51 fiber-optic cables for non-contact temperature sensing
Material handling — OMRON D4CC3002 limit switches for conveyor belt end-of-travel detection
Machine tool safety — OMRON TZ-1GV22 snap-action switches for interlock and guard monitoring

OMRON 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.

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