6SE6440-2UD21-1AA1
Market snapshot
Prices updated 9 Oct 2026 · next refresh 9 NovMedian $281 · 6 sellers · $96.94 below median at the lowest
Asking prices for the exact catalog number 6SE6440-2UD21-1AA1 currently range from $184 to $447 across 6 sellers, observed 9 Oct 2026. Distributor product page: mroelectric.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
Current listings
6 SELLERS · SORTED BY PRICE| Seller | Condition | Price | vs median | Listing |
|---|---|---|---|---|
| eBay - assetrecoveryzone_com | not stated | $184.00 | -35% | View offer |
| eBay - electromechanical_a | NEW | $245.74 | -13% | View offer |
| eBay | NEW | $276.61 | -2% | View offer |
| eBay - zosiha-trade | not stated | $285.28 | +2% | View offer |
| eBay - justin2026 | not stated | $322.75 | +15% | View offer |
| CirEle | not stated | $447.18 | +59% | View offer |
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Condition
AS STATED BY SELLERS| New | 2 |
| Not stated | 4 |
Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 6SE6440-2UD21-5AA1 | one character apart | 19 | $418 | +49% |
| 6SE6440-2UD31-1CA1 | one character apart | 5 | $1,491 | +431% |
| 6SE6440-2UD41-1FA1 | one character apart | 4 | $10,536 | +3650% |
| 6SE6440-2UC21-1BA1 | one character apart | 2 | $798 | +184% |
Frequently asked
How much does a 6SE6440-2UD21-1AA1 cost?
As of 9 Oct 2026, the Siemens 6SE6440-2UD21-1AA1 is listed from $184 to $447 across 6 sellers. The median asking price is $281. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SE6440-2UD21-1AA1?
6 sellers currently list the 6SE6440-2UD21-1AA1, including eBay - assetrecoveryzone_com, eBay - electromechanical_a, eBay. 1 of them are specialist industrial distributors. The lowest current asking price is $184 from eBay - assetrecoveryzone_com.
Why do 6SE6440-2UD21-1AA1 prices vary so much?
The highest asking price for the 6SE6440-2UD21-1AA1 is 2.4× the lowest. Industrial parts trade in a market where new surplus, refurbished stock and list-price sellers coexist without a shared price reference, so identical catalog numbers are listed at very different prices.