Description 

The Omron E3A2-R3M4T is a retroreflective photoelectric sensor designed for industrial automation applications. It features a sensing distance of up to 3 meters and includes a built-in timer with adjustable ON/OFF delays ranging from 0.1 to 5 seconds.

Technical Specifications 

Information About E3A2-R3M4T

The Omron E3A2-R3M4T is a retroreflective photoelectric sensor designed for industrial automation and object detection applications. It offers a sensing distance of up to 3 meters and features selectable Light-ON/Dark-ON operation. The unit is equipped with a built-in timing function that allows adjustable ON/OFF delays from 0.1 to 5 seconds, providing flexibility in response timing. Designed for versatility, it operates on a wide AC/DC power supply range and includes a plug-in replaceable relay output for ease of maintenance.

Key Features:

• Sensor Type: Retroreflective Photoelectric Sensor
• Sensing Distance: 3 meters
• Operation Mode: Selectable Light-ON / Dark-ON
• Power Supply Voltage: 24–240 VAC / 12–240 VDC
• ON/OFF Delay Timer: Adjustable from 0.1 to 5 seconds
• Output Type: Plug-in Replaceable Relay Output (SPDT)
• Connection Type: Screw Terminal
• Mounting Style: Panel mount or bracket-based installation
• Timer Function: Built-in ON/OFF delay timer

The E3A2-R3M4T is well-suited for detecting transparent, opaque, or reflective objects in industrial environments. Its modular relay output design allows quick replacement, minimizing system downtime. Although the model has been discontinued, it remains a reliable and adaptable component in legacy systems.