6SE7021-0TA51
Median $2,579 · 7 sellers · $1,392 price spread
Asking prices for the exact catalog number 6SE7021-0TA51 currently range from $1,862 to $3,254 across 7 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 |
|---|---|---|---|---|
| PLCHardware.com | not stated | $1,862.00 | -28% | View listing |
| Radwell.com | not stated | $1,951.50 | -24% | View listing |
| WiAutomation US | not stated | $2,463.49 | -4% | View listing |
| PLC Direct | not stated | $2,579.25 | · | View listing |
| MRO Global Solutions | not stated | $2,752.00 | +7% | View listing |
| Shop.adegis.com | USED / REFURB | $2,819.22 | +9% | View listing |
| JC-Electronics US | USED / REFURB | $3,253.50 | +26% | View listing |
| Used / refurbished | 2 |
| Not stated | 5 |
How much does a 6SE7021-0TA51 cost?
As of 9 Aug 2026, the Siemens 6SE7021-0TA51 is listed from $1,862 to $3,254 across 7 sellers. The median asking price is $2,579. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SE7021-0TA51?
7 sellers currently list the 6SE7021-0TA51, including PLCHardware.com, Radwell.com, WiAutomation US. 7 of them are specialist industrial distributors. The lowest current asking price is $1,862 from PLCHardware.com.
Why do 6SE7021-0TA51 prices vary so much?
The highest asking price for the 6SE7021-0TA51 is 1.7× 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.