Hall Effect Current Transducer Clamp CT QNDBK1-21 30A 50A 100A 200A 420mA Current Sensor Split Core Current Transformer 4-20mA
Quick answer
Is $18.41 a good price for Hall Effect Current Transducer Clamp CT QNDBK1-21 30A 50A 100A 200A…?
Too early to tell: DipScout has tracked this price for 6 days, and comparing it with a typical price takes at least 7 days. Tracked since Oct 22, 2026, it ranged from $13.79 to $18.41.
$18.41
Today it costs $18.41 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $13.79 to $18.41. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 6 days; confirming a drop takes at least 7 days. The store advertises "was $18.60", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$18.41highest ever seen
Lowest$13.79Oct 22 to Oct 27
Highest$18.41since Oct 28
Tracked since Oct 22 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 28, 23:07 UTC | $18.41 | +29% |
| Oct 27, 21:08 UTC | $14.25 | +3% |
| Oct 22, 15:43 UTC | $13.79 | start |
| Store | NJQNET Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 3 |
| First seen | 10/22/2026 |
| Last reading | 10/28/2026, 11:07:45 PM UTC |