Omron E3FA-TP21 PNP 20 m Photoelectric Sensor

USD 48.37

Omron E3FA-TP21: through-beam set, 20 m, PNP output, M12 connector.

SKU Omron-E3FA-TP21 Category
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Omron E3FA-TP21 M18 Through-beam set Photoelectric Sensor

BrandOmron
Model IdentifierE3FA-TP21
Official Part NumberE3FA-TP21

Technical Overview

The Omron E3FA-TP21 is an E3FA through-beam set photoelectric sensor with a nominal sensing distance of 20 m. This M12 connector model uses Red LED, 624 nm and PNP open-collector output; the through-beam version is a matched emitter and receiver set. Omron specifies 10–30 VDC, 0.5 ms response and IP67/IP69K protection. Not required Confirm target characteristics and controller compatibility for the installation.

M18 Omron E3FA through-beam set sensor with 20 m range, PNP output and M12 connection.

Key Features

  • Through-beam set
  • 20 m nominal sensing distance
  • Red LED, 624 nm
  • PNP open-collector output
  • M12 connector
  • 10 to 30 VDC supply
  • 0.5 ms response
  • IP67/IP69K protection
  • Not required

Through-beam set | 20 m | PNP | M12 connector

Technical Specification Matrix

ParameterValue
ManufacturerOmron
SeriesE3FA
Product typeset containing emitter and receiver
Sensing methodThrough-beam set
Sensing distance20 m
OutputPNP 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
Required reflectorNot required
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 products as they pass a machine or conveyor sensing point.

Potential use

Position the through-beam set sensor within its rated 20 m range and connect the PNP output to a compatible input.

conveyor presence detection

2. Part counting and sequence confirmation

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

Potential use

Use the M12 connector and red led, 624 nm configuration; verify any specified reflector and set Light-ON or Dark-ON logic by wiring.

part counting machine automation
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