6SE7021-3TB21
Market snapshot
Prices updated 9 Oct 2026 · next refresh 9 NovMedian $3,824 · 2 sellers · $376 below median at the lowest
Asking prices for the exact catalog number 6SE7021-3TB21 currently range from $3,448 to $4,200 across 2 sellers, observed 9 Oct 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
Current listings
2 SELLERS · SORTED BY PRICE| Seller | Price | vs median | Listing |
|---|---|---|---|
| Chief Automation | $3,447.60 | -10% | View offer |
| Williams Automation | $4,200.00 | +10% | View offer |
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Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 6SE7021-8TB61 | one character apart | 7 | $3,883 | +2% |
| 6SE7021-3TB61 | one character apart | 6 | $3,109 | -19% |
| 6SE7021-8TB51 | one character apart | 6 | $2,180 | -43% |
| 6SE7021-3TB51 | one character apart | 3 | $4,927 | +29% |
| 6SE7021-3EB61 | one character apart | 3 | $1,971 | -48% |
| 6SE7021-0TA21 | one character apart | 3 | $2,746 | -28% |
| 6SE7021-8TB31 | one character apart | 2 | $3,062 | -20% |
| 6SE7021-8TB21 | one character apart | 2 | $3,387 | -11% |
Frequently asked
How much does a 6SE7021-3TB21 cost?
As of 9 Oct 2026, the Siemens 6SE7021-3TB21 is listed from $3,448 to $4,200 across 2 sellers. The median asking price is $3,824. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SE7021-3TB21?
2 sellers currently list the 6SE7021-3TB21, including Chief Automation, Williams Automation. 2 of them are specialist industrial distributors. The lowest current asking price is $3,448 from Chief Automation.
