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Omron Photoelectric Sensor, Built-In Power Supply, AC/DC Power-Free type, Terminal Block Model, Retro-Reflective(with M.S.R Function ), 4m Sensing Distance, Red LED (660nm), Relay Output, E3JM-R4M4

Part Number : E3JM-R4M4

Brand :
Omron

Photoelectric Sensor with Built-In Power Supply, Reflective Type, 4m Sensing Distance, Relay Output, Terminal Block

The E3JM series is a cost-effective replacement for the discontinued E3JK series, with some differences in size, wiring, and performance and Model E3JK-R2M2 has been discontinued and replaced by E3JM-R4M4, offering better features.

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KWD 11.000

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Description
Specifications
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Description

Omron Photoelectric Sensor, Built-In Power Supply, Reflective Type, 4m Sensing Distance, Red LED (660nm), Relay Output, Terminal Block, E3JM-R4M4 is engineered for precise and consistent object detection in industrial environments. With a built-in power supply, it simplifies installation and ensures steady performance. Equipped with a long-range sensing capability and high-efficiency infrared LED, it offers reliable detection even in demanding conditions. The relay output and terminal block design provide compatibility and flexibility for integration into various control systems.

Key Features

• Supports a wide power supply range: 12 to 240 VDC and 24 to 240 VAC

• Offers Relay or Solid State Relay Output options for flexible control integration

• Equipped with a Timer Function for adjustable delay and response control

• Selectable Light-ON / Dark-ON Operation for adaptable sensing logic

• IP66-rated enclosure for high resistance to dust and water ingress

• Infrared LED sensing ensures accurate detection performance

• Terminal block models for easy wiring and adjustment

• Ideal for mid-range object detection in compact, durable housing

• For extended-range needs, E3G-M series recommended

Applications

• Automated production lines for detecting objects or positioning parts

• Material handling systems such as conveyors and sorters

• Packaging machinery for presence/absence detection

• Fill-level monitoring in bottling and dispensing systems

• Access control and safety barriers in industrial zones

• General industrial automation where reliable sensing and voltage flexibility are required

Downloads

Datasheet Omron E3JM Photoelectric Sensor.pdf

pdf
Download

Operating Instructions E3JM Series.pdf

pdf
Download

Specifications

Shape
Square type
Sensing method
Retro-reflective with M.S.R. function
Sensing distance
When using the E39-R1: 4 m
Standard sensing object
Opaque: 75 mm dia. min.
Directional Angle
1 to 5 °
Light source
Red LED (660 nm)
Power Supply Voltage
100 to 240 VAC±10% 50/60 Hz24 to 240 VDC±10% ripple (p-p) 10% max.
Power Consumption
2 W max.
Control output
Relay output (SPDT)250 VAC 3 A (cosφ= 1) max.5 VDC 10 mA min.
Life expectancy (relay output)
Electrical: 100 thousand times or more (switching frequency 1800 times/hour)Mechanical: 50 million times or more (switching frequency 18000 times/hour)
Operation mode
Light-ON/Dark-ON selectable
Response Time
Operate or reset: 30 ms max.
Ambient illuminance
Incandescent lamp: 3,000 lx max.
Ambient temperature range (Operating)
-25 to 55 ℃ (with no freezing or condensation)
Ambient temperature range (Storage)
-30 to 70 ℃ (with no freezing or condensation)
Ambient humidity range (Operating)
45 to 85 % (with no condensation)
Ambient humidity range (Strage)
35 to 95 % (with no condensation)
Insulation resistance
20 MΩ min. (500 VDC megger)
Dielectric strength
2000 VAC 50/60 Hz 1 min
Vibration resistance
Destruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 hMalfunction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistance
Destruction: 500 m/s2 3 times each in X, Y and Z directionsMalfunction: 100 m/s2 3 times each in X, Y and Z directions
Degree of Protection
IEC: IP66
Connection method
Terminal block models
Indicator
Light indicator (red)
Weight
Package: Approx. 160 g
Accessories
Instruction manual, Mounting bracket, Nut, Terminal protection cover, One set of cable connection nuts, Reflector
Material
Choose a housing material that is not corroded by the media and environment , and can withstand the temperatures and pressures. Check out our chemical resistance chart.
Case: ABSLens: Methacrylate resinCover: PolycarbonateMounting Bracket: Iron

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