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OMRON E3X-NA41 PhotoElectric Switch Industrial Supplier

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OMRON E3X-NA41 PhotoElectric Switch Industrial Supplier
PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand OMRON
Model Number E3X-NA41
Product Category Fiber Optic Sensor Amplifier
Product Series E3X-NA
Manufacturer Product Type Simple Fiber Amplifier Unit
Amplifier Configuration Standard Model with Bar Display and Manual Sensitivity Adjustment
Number of Detection Channels 1
Number of Control Outputs 1
Output Type PNP Open Collector
Switching Operation Light-ON / Dark-ON, Selectable
Rated Supply Voltage 12 to 24 VDC ±10%
Maximum Supply Ripple 10% Peak-to-Peak
Maximum Current Consumption 35 mA
Maximum Power Consumption at 24 VDC 840 mW
Maximum Output Load Voltage 26.4 VDC
Maximum Output Load Current 50 mA
Maximum Output Residual Voltage 1 V
Response Time 200 µs Maximum for Operation and Reset
Response Time with Eight or More Adjacent Amplifiers 350 µs Maximum
Light Source Red Four-Element LED
Light Source Wavelength 624 nm
Sensitivity Adjustment 8-Turn Sensitivity Adjuster with Indicator
Display Type Light-Level Bar Display
Operation Indicator Orange LED
Light-Level Margin Indicator Green / Red LED
Timer Function Selectable OFF-Delay Timer
Timer Duration 40 ms, Fixed
Mutual Interference Prevention Up to 5 Compatible Gang-Mounted Amplifiers
Protection Circuits Power Supply Reverse-Polarity Protection and Output Short-Circuit Protection
Electrical Connection Pre-Wired Cable
Standard Full Ordering Designation E3X-NA41 2M
Standard Cable Length 2 m for E3X-NA41 2M
Mounting Configuration DIN Rail Mounting
Housing Material Polybutylene Terephthalate (PBT)
Protective Cover Material Polycarbonate (PC)
Degree of Protection IEC 60529 IP50 with Protective Cover Attached
Operating Temperature, 1 to 3 Adjacent Amplifiers -25 to +55°C
Operating Temperature, 4 to 11 Adjacent Amplifiers -25 to +50°C
Operating Temperature, 12 to 16 Adjacent Amplifiers -25 to +45°C
Storage Temperature -30 to +70°C, Without Icing or Condensation
Operating Humidity 35% to 85% RH, Noncondensing
Maximum Gang-Mounted Amplifiers 16, Subject to Temperature Derating
Ambient Light Resistance, Incandescent 10000 lx Maximum at Receiver
Ambient Light Resistance, Sunlight 20000 lx Maximum at Receiver
Insulation Resistance 20 MΩ Minimum at 500 VDC
Dielectric Strength 1000 VAC at 50/60 Hz for 1 Minute
Reference Sensing Distance with E32-T11R Fiber 560 mm, Through-Beam Arrangement
Reference Sensing Distance with E32-D11R Fiber 180 mm, Reflective Arrangement
Fiber Head Requirement Compatible Fiber Optic Sensor Head Selected Separately
Related NPN Model OMRON E3X-NA11
Related High-Speed PNP Model OMRON E3X-NA41F
Related Water-Resistant PNP Model OMRON E3X-NA41V
Manufacturer Technical Reference OMRON E3X-SD / NA Simple Fiber Amplifier Unit Specifications and E3X-NA41 Product Documentation

Key Features

PNP Open Collector Switching

The OMRON E3X-NA41 provides one PNP transistor output with a maximum load current of 50 mA. Selectable Light-ON and Dark-ON modes allow the switching behavior to be configured for compatible PLC inputs and industrial control circuits.

200 µs Response Time

The standard amplifier has a maximum operating and reset response time of 200 microseconds. When eight or more compatible amplifiers are mounted side by side, the specified response time becomes 350 microseconds maximum.

Manual Sensitivity Adjustment

An eight-turn sensitivity adjuster allows technicians to set the sensing threshold manually. The bar display and light-level margin indicators assist with optical alignment and adjustment without requiring a numerical digital display.

Red LED Fiber Optic Detection

The amplifier uses a red four-element LED light source with a wavelength of 624 nm. Actual detection performance and sensing distance depend on the compatible fiber optic head, target characteristics and installation conditions.

40 ms OFF-Delay Timer

A selectable fixed 40 ms OFF-delay timer supports applications requiring a brief output hold period after the detection state changes. The timer may also be disabled when not required.

Compact DIN Rail Construction

The E3X-NA41 uses a PBT housing, a protective polycarbonate cover and a pre-wired electrical connection. The amplifier is rated IP50 with its cover attached and supports side-by-side installation with appropriate temperature derating.

Applications

  • Small-part detection in automated assembly systems
  • Fiber optic object presence sensing
  • Packaging machinery product detection
  • Electronic component positioning equipment
  • Conveyor counting and sorting systems
  • PLC-connected PNP photoelectric sensing circuits
  • Compact manufacturing equipment sensor installations
  • Maintenance of existing OMRON E3X-NA amplifier systems

Purchase Information

We support online purchase of the OMRON E3X-NA41 Fiber Optic Sensor Amplifier. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.

Frequently Asked Questions

What is the OMRON E3X-NA41?
It is a standard E3X-NA series fiber optic sensor amplifier with a red LED light source, a single PNP open collector output, manually adjustable sensitivity and selectable Light-ON or Dark-ON operation.


Is the E3X-NA41 a PNP or NPN amplifier?
The E3X-NA41 uses a PNP output. The corresponding standard NPN model is E3X-NA11.


What power supply does the amplifier require?
The specified supply voltage is 12 to 24 VDC ±10%, with a maximum ripple of 10% peak-to-peak.


What is the maximum output current?
The PNP open collector output supports a maximum load current of 50 mA and a maximum output load supply voltage of 26.4 VDC.


What is the response time of E3X-NA41?
The maximum response time is 200 µs for operation and reset. With eight or more compatible amplifiers mounted side by side, the maximum becomes 350 µs.


Does the amplifier support Light-ON and Dark-ON switching?
Yes. Light-ON and Dark-ON operation can be selected according to the required detection and control logic.


Does E3X-NA41 have a numerical digital display?
No. The standard E3X-NA41 uses a bar display and manual sensitivity adjustment rather than a numerical display.


How is the sensing sensitivity adjusted?
An eight-turn adjuster sets the sensitivity. The bar display and indicator LEDs provide feedback about received light intensity and the switching condition.


What sensing distance does the amplifier provide?
The amplifier has no single fixed sensing distance because this depends on the connected fiber head. Reference distances include 560 mm with an E32-T11R through-beam fiber and 180 mm with an E32-D11R reflective fiber under specified conditions.


Does E3X-NA41 include a fiber optic sensor head?
The model identifies the amplifier unit. A compatible fiber optic head is selected separately unless the seller explicitly includes one.


What is the difference between E3X-NA41 and E3X-NA41F?
The E3X-NA41 is the standard model with a response time of 200 µs, whereas the E3X-NA41F is a high-speed variant engineered for high-frequency detection applications requiring an accelerated response time.

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