6ES7921-5AB20-0AA0
Market snapshot
Prices updated 20 Sep 2026 · next refresh 21 OctMedian $70.00 · 3 sellers · $12.37 below median at the lowest
Asking prices for the exact catalog number 6ES7921-5AB20-0AA0 currently range from $57.63 to $194 across 3 sellers, observed 20 Sep 2026. Distributor product page: nexinstrument.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
Current listings
3 SELLERS · SORTED BY PRICE| Seller | Price | vs median | Listing |
|---|---|---|---|
| WiAutomation US | $57.63 | -18% | View offer |
| PLC-Mall.com | $70.00 | · | View offer |
| siesourcehk.com | $194.29 | +178% | View offer |
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Frequently asked
How much does a 6ES7921-5AB20-0AA0 cost?
As of 20 Sep 2026, the Siemens 6ES7921-5AB20-0AA0 is listed from $57.63 to $194 across 3 sellers. The median asking price is $70.00. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6ES7921-5AB20-0AA0?
3 sellers currently list the 6ES7921-5AB20-0AA0, including WiAutomation US, PLC-Mall.com, siesourcehk.com. 3 of them are specialist industrial distributors. The lowest current asking price is $57.63 from WiAutomation US.
Why do 6ES7921-5AB20-0AA0 prices vary so much?
The highest asking price for the 6ES7921-5AB20-0AA0 is 3.4× 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.
Related SIMATIC S7 parts
10 SHOWN| Catalog number | Sellers | Low | Median | Spread |
|---|---|---|---|---|
| 6ES7870-1AA01-0YA0SIMATIC S7 | 3 | $1,475 | $1,800 | +$746 |
| 6ES7870-1AB01-0YA1SIMATIC S7 | 2 | $788 | $1,416 | +$1,256 |
| 6ES7193-6BP00-0DA0SIMATIC S7 | 14 | $21.00 | $36.50 | +$62.78 |
| 6ES7193-6AR00-0AA0SIMATIC S7 | 20 | $35.00 | $80.00 | +$165 |
| 6ES7131-6BH01-0BA0SIMATIC S7 | 10 | $96.89 | $113 | +$26.11 |
| 6ES7193-6BP00-0BA0SIMATIC S7 | 13 | $13.50 | $30.00 | +$45.50 |
| 6ES7214-1AG40-0XB0SIMATIC S7 | 5 | $314 | $428 | +$366 |
| 6ES7136-6BA01-0CA0SIMATIC S7 | 13 | $136 | $283 | +$364 |
| 6ES7134-6GF00-0AA1SIMATIC S7 | 20 | $142 | $289 | +$355 |
| 6ES7132-6BH01-0BA0SIMATIC S7 | 16 | $39.00 | $106 | +$126 |
