It sits in the Photoelectric Sensors category, so you're looking at a through-beam or retro-reflective presence detection part—typical for packaging lines, conveyor gates, or part-in-place checks. If you're swapping one in the field, it's a straightforward visible LED type; no IR trickery, so alignment is what you see is what you get.
Omron E3RA-DP21 Photoelectric Sensor, Visible LED Light
MPNE3RA-DP21
Omron, E3RA-DP21, Photoelectric Sensor, Visible LED Light, Mature Lifecycle Stage.
$30.48Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.00 kgs |
Product details
Frequently asked questions
What is the closest functional second-source to the E3RA-DP21?
The Omron E3S-CD67 and E3FB-DP22 are both in the same Photoelectric Sensors category. However, physical and electrical compatibility should be verified against the specific mounting and wiring of the E3RA-DP21 before substitution.
What is the title and part number of this component?
The title is 'E3RA-DP21 - VISIBLE LED LIGHT' and the part number is E3RA-DP21.
MPN
E3RA-DP21