6SE6440-2UD21-1AA1
Median $607 · 4 sellers · $647 price spread
Asking prices for the exact catalog number 6SE6440-2UD21-1AA1 currently range from $461 to $1,108 across 4 sellers, observed 9 Aug 2026. Distributor product page: mroelectric.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
| Seller | Condition | Price | vs median | Listing |
|---|---|---|---|---|
| CirEle | not stated | $461.12 | -24% | View listing |
| PLC Direct | not stated | $480.13 | -21% | View listing |
| shop.rgbelektronika.eu | not stated | $733.31 | +21% | View listing |
| Zancot Electronics | not stated | $1,108.00 | +83% | View listing |
How much does a 6SE6440-2UD21-1AA1 cost?
As of 9 Aug 2026, the Siemens 6SE6440-2UD21-1AA1 is listed from $461 to $1,108 across 4 sellers. The median asking price is $607. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SE6440-2UD21-1AA1?
4 sellers currently list the 6SE6440-2UD21-1AA1, including CirEle, PLC Direct, shop.rgbelektronika.eu. 4 of them are specialist industrial distributors. The lowest current asking price is $461 from CirEle.
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.