6SE6420-2UD21-5AA1
Market snapshot
Prices updated 9 Oct 2026 · next refresh 9 NovMedian $576 · 4 sellers · $54.63 below median at the lowest
Asking prices for the exact catalog number 6SE6420-2UD21-5AA1 currently range from $521 to $591 across 4 sellers, observed 9 Oct 2026. Distributor product page: nexinstrument.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
Current listings
4 SELLERS · SORTED BY PRICE| Seller | Price | vs median | Listing |
|---|---|---|---|
| bxlyplc.com | $521.00 | -9% | View offer |
| Proind Eletronica LTDA | $572.26 | -1% | View offer |
| Classic Automation | $579.00 | +1% | View offer |
| PLC Direct | $590.96 | +3% | View offer |
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Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 6SE6420-2UD17-5AA1 | one character apart | 9 | $276 | -52% |
| 6SE6420-2UD27-5CA1 | one character apart | 6 | $1,375 | +139% |
| 6SE6420-2UC21-5BA1 | one character apart | 5 | $706 | +23% |
| 6SE6420-2UD21-1AA1 | one character apart | 4 | $501 | -13% |
| 6SE6420-2UD25-5CA1 | one character apart | 3 | $450 | -22% |
| 6SE6420-2UD21-5AA0 | one character apart | 2 | $552 | -4% |
| 6SE6420-2UD15-5AA1 | one character apart | 2 | $807 | +40% |
Frequently asked
How much does a 6SE6420-2UD21-5AA1 cost?
As of 9 Oct 2026, the Siemens 6SE6420-2UD21-5AA1 is listed from $521 to $591 across 4 sellers. The median asking price is $576. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SE6420-2UD21-5AA1?
4 sellers currently list the 6SE6420-2UD21-5AA1, including bxlyplc.com, Proind Eletronica LTDA, Classic Automation. 4 of them are specialist industrial distributors. The lowest current asking price is $521 from bxlyplc.com.