Omron E3FA-VN21 NPN 10 to 50 mm Photoelectric Sensor

USD 40.28

Omron E3FA-VN21: M18 limited-distance reflective sensor, 10 to 50 mm, NPN output, M12 connector.

SKU Omron-E3FA-VN21 Category
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Omron E3FA-VN21 M18 Limited-distance reflective Photoelectric Sensor

BrandOmron
Model IdentifierE3FA-VN21
Official Part NumberE3FA-VN21

Technical Overview

The Omron E3FA-VN21 is an E3FA M18 limited-distance reflective photoelectric sensor with a nominal sensing distance of 10 to 50 mm. It uses Red LED, 624 nm, an M12 connector and NPN open-collector output. The plastic ABS housing, 10–30 VDC supply, 0.5 ms response and IP67/IP69K protection support industrial object detection. Confirm target characteristics and controller compatibility for the installation.

M18 Omron E3FA limited-distance reflective sensor with 10 to 50 mm range, NPN output and M12 connection.

Key Features

  • Limited-distance reflective sensing
  • 10 to 50 mm sensing distance
  • Red LED, 624 nm
  • NPN open-collector output
  • M12 connector
  • 10 to 30 VDC supply
  • 0.5 ms response
  • IP67/IP69K protection

Limited-distance reflective | 10 to 50 mm | NPN | M12 connector

Technical Specification Matrix

ParameterValue
ManufacturerOmron
SeriesE3FA
Product typeM18 photoelectric sensor
Sensing methodLimited-distance reflective
Sensing distance10 to 50 mm
OutputNPN open collector
ConnectionM12 connector
Housing materialABS plastic
Light sourceRed LED, 624 nm
Operation modeLight-ON / Dark-ON, selectable by wiring
Response time0.5 ms
Rated supply voltage10 to 30 VDC
Maximum load current100 mA
Degree of protectionIP67/IP69K
Sensor-only weightApprox. 10 g
Physical Weight (kg)Not stated in the checked manufacturer product data.
Dimensions L x W x H (cm)See manufacturer dimensional data; no complete overall L × W × H value stated.
Supply statusUnknown; exact specifications are confirmed, current supply status was not established.

Suggested applications

Engineering suggestions require suitability checks for your installation.

1. Conveyor presence detection

Detect the presence of products as they pass a machine or conveyor sensing point.

Potential use

Position the limited-distance reflective sensor within its rated 10 to 50 mm range and wire its NPN output to a compatible controller input.

conveyor presence detection

2. Part counting and sequencing

Provide a photoelectric switching signal for counting or sequence confirmation in an automated station.

Potential use

Use the red led, 624 nm model and its M12 connector, then configure Light-ON or Dark-ON logic by wiring.

part counting machine automation
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