Photoelectric Sensor E3K 20m Detection Distance 10-30V Diffuse Reflection Sensor NPN PNP Optical Relay Switch Sensor
$30.79
Today it costs $30.79 on AliExpress. Since Oct 21, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 3 days.
View on AliExpressAffiliate link: we earn a commission on completed purchases, and the price is the same with or without our code. The price above is the last recorded reading, not a live checkout lookup.
Price history
Today$30.79steady
The price hasn't changed once since Oct 21, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | BXUAN Electric Official Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/21/2026 |
| Last reading | 10/22/2026, 3:42:01 PM UTC |