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Omron E3RA Series

10 variants · Omron

About the Omron E3RA Series

The Omron E3RA Series series groups 10 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Variants differ by response time, supply voltage and product type, so you can match the exact response time your application requires using the selection guide below.

Select a variant by

Response time
0.5 msec · 500 us · 500 μs
Supply voltage
10 … 30 V DC · 10 to 30VDC · 10 V to 30 V
Product type
Photoelectric Sensor · Short body

Variant comparison

ParameterE3RA-DN22E3RA-RN21E3RA-TP21E3RARP21OMI
Response time500 μs0.5 msec500 us
Supply voltage10 V to 30 V10 … 30 V DC10 to 30VDC
Product typePhotoelectric SensorShort body

Request a quote on any Omron E3RA Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants