6SE6440-2UD21-5AA1
Median $350 · 16 sellers · $501 price spread
Asking prices for the exact catalog number 6SE6440-2UD21-5AA1 currently range from $99.00 to $600 across 16 sellers, observed 9 Aug 2026. Distributor product page: nexinstrument.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
| Seller | Condition | Price | vs median | Listing |
|---|---|---|---|---|
| eBay - a-z_automatyka | not stated | $99.00 | -72% | View listing |
| NRI Industrial Sales | not stated | $132.05 | -62% | View listing |
| eBay - a29-136 | not stated | $200.59 | -43% | View listing |
| eBay - plasma-weld-lt | NEW | $208.43 | -40% | View listing |
| eBay - lonni-1 | not stated | $233.96 | -33% | View listing |
| eBay - jacobpla | not stated | $276.22 | -21% | View listing |
| Chipsgate | USED / REFURB | $302.37 | -14% | View listing |
| eBay - iceland_70 | USED / REFURB | $329.91 | -6% | View listing |
| Standard Exchange Industry | not stated | $369.82 | +6% | View listing |
| PLC Direct | not stated | $379.47 | +8% | View listing |
| eBay - xinbuy | not stated | $390.00 | +11% | View listing |
| eBay - partshop | NEW | $405.90 | +16% | View listing |
| eBay - inauto | NEW | $480.00 | +37% | View listing |
| eBay - lelen-co | not stated | $500.00 | +43% | View listing |
| MRO Global Solutions | not stated | $510.00 | +46% | View listing |
| Equipt | NEW | $600.00 | +71% | View listing |
| New | 4 |
| Used / refurbished | 2 |
| Not stated | 10 |
How much does a 6SE6440-2UD21-5AA1 cost?
As of 9 Aug 2026, the Siemens 6SE6440-2UD21-5AA1 is listed from $99.00 to $600 across 16 sellers. The median asking price is $350. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SE6440-2UD21-5AA1?
16 sellers currently list the 6SE6440-2UD21-5AA1, including eBay - a-z_automatyka, NRI Industrial Sales, eBay - a29-136. 6 of them are specialist industrial distributors. The lowest current asking price is $99.00 from eBay - a-z_automatyka.
Why do 6SE6440-2UD21-5AA1 prices vary so much?
The highest asking price for the 6SE6440-2UD21-5AA1 is 6.1× 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.