6SL3121-1TE21-8AA3
Market snapshot
Prices updated 20 Sep 2026 · next refresh 21 OctMedian $6,269 · 2 sellers · $1,834 below median at the lowest
Asking prices for the exact catalog number 6SL3121-1TE21-8AA3 currently range from $4,435 to $8,102 across 2 sellers, observed 20 Sep 2026. Distributor product page: mroelectric.com. 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 |
|---|---|---|---|
| PLC Direct | $4,435.08 | -29% | View offer |
| Electrical Equipment Company | $8,102.21 | +29% | View offer |
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Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 6SL3121-1TE28-5AA3 | one character apart | 4 | $9,036 | +44% |
| 6SL3121-1TE21-8AA4 | one character apart | 3 | $3,240 | -48% |
| 6SL3121-1TE24-5AA3 | one character apart | 2 | $4,529 | -28% |
| 6SL3121-1TE31-3AA3 | one character apart | 2 | $23,026 | +267% |
Frequently asked
How much does a 6SL3121-1TE21-8AA3 cost?
As of 20 Sep 2026, the Siemens 6SL3121-1TE21-8AA3 is listed from $4,435 to $8,102 across 2 sellers. The median asking price is $6,269. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6SL3121-1TE21-8AA3?
2 sellers currently list the 6SL3121-1TE21-8AA3, including PLC Direct, Electrical Equipment Company. 2 of them are specialist industrial distributors. The lowest current asking price is $4,435 from PLC Direct.
Why do 6SL3121-1TE21-8AA3 prices vary so much?
The highest asking price for the 6SL3121-1TE21-8AA3 is 1.8× 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.
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