6SE6440-2UD31-8DA1
Market snapshot
Prices updated 9 Oct 2026 · next refresh 9 NovMedian $1,023 · 6 sellers · $394 below median at the lowest
Asking prices for the exact catalog number 6SE6440-2UD31-8DA1 currently range from $628 to $1,979 across 6 sellers, observed 9 Oct 2026. 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 - plasma-weld-lt | not stated | $628.43 | -39% | View offer |
| eBay | NEW | $738.00 | -28% | View offer |
| eBay - besttest | not stated | $799.88 | -22% | View offer |
| PLC Direct | not stated | $1,245.72 | +22% | View offer |
| eBay - mqp1004 | not stated | $1,389.38 | +36% | View offer |
| IQElectro | not stated | $1,979.10 | +93% | View offer |
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Condition
AS STATED BY SELLERS| New | 1 |
| Not stated | 5 |
Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 6SE6440-2UD32-2DA1 | one character apart | 8 | $1,014 | -1% |
| 6SE6440-2UD31-5DA1 | one character apart | 6 | $2,535 | +148% |
| 6SE6440-2UD31-1CA1 | one character apart | 5 | $1,491 | +46% |
| 6SE6440-2UC31-5DA1 | one character apart | 5 | $3,412 | +234% |
| 6SE6440-2UC31-8EA1 | one character apart | 3 | $4,883 | +377% |
| 6SE6440-2UC31-1DA1 | one character apart | 3 | $1,383 | +35% |
| 6SE6440-2AD31-8DA1 | one character apart | 2 | $4,509 | +341% |
| 6SE6440-2AD31-5DA1 | one character apart | 2 | $1,880 | +84% |
Frequently asked
How much does a 6SE6440-2UD31-8DA1 cost?
As of 9 Oct 2026, the Siemens 6SE6440-2UD31-8DA1 is listed from $628 to $1,979 across 6 sellers. The median asking price is $1,023. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SE6440-2UD31-8DA1?
6 sellers currently list the 6SE6440-2UD31-8DA1, including eBay - plasma-weld-lt, eBay, eBay - besttest. 2 of them are specialist industrial distributors. The lowest current asking price is $628 from eBay - plasma-weld-lt.
Why do 6SE6440-2UD31-8DA1 prices vary so much?
The highest asking price for the 6SE6440-2UD31-8DA1 is 3.1× 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.