6ES7521-1BL10-0AA0
Market snapshot
Prices updated 20 Sep 2026 · next refresh 21 OctMedian $411 · 11 sellers · $127 below median at the lowest
Asking prices for the exact catalog number 6ES7521-1BL10-0AA0 currently range from $283 to $690 across 11 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
11 SELLERS · SORTED BY PRICE| Seller | Price | vs median | Listing |
|---|---|---|---|
| WiAutomation US | $283.28 | -31% | View offer |
| siesourcehk.com | $289.29 | -30% | View offer |
| eBay | $293.41 | -29% | View offer |
| FOXON | $319.07 | -22% | View offer |
| Leadtime | $355.61 | -13% | View offer |
| PLC Direct | $410.63 | · | View listing |
| EnrgTech | $430.06 | +5% | View offer |
| Halltronics | $462.43 | +13% | View offer |
| Matyco - Materiale Elettrico | $521.60 | +27% | View offer |
| DigiKey | $629.62 | +53% | View offer |
| Bolen's Control House | $690.00 | +68% | View offer |
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Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 6ES7521-1BL00-0AB0 | one character apart | 13 | $322 | -22% |
| 6ES7521-1BH10-0AA0 | one character apart | 12 | $245 | -40% |
| 6ES7521-1BH50-0AA0 | one character apart | 3 | $180 | -56% |
| 6ES7521-1BP00-0AA0 | one character apart | 2 | $644 | +57% |
Frequently asked
How much does a 6ES7521-1BL10-0AA0 cost?
As of 20 Sep 2026, the Siemens 6ES7521-1BL10-0AA0 is listed from $283 to $690 across 11 sellers. The median asking price is $411. Prices are published seller asking prices and are refreshed monthly.
Who sells the 6ES7521-1BL10-0AA0?
11 sellers currently list the 6ES7521-1BL10-0AA0, including WiAutomation US, siesourcehk.com, eBay. 10 of them are specialist industrial distributors. The lowest current asking price is $283 from WiAutomation US.
Why do 6ES7521-1BL10-0AA0 prices vary so much?
The highest asking price for the 6ES7521-1BL10-0AA0 is 2.4× 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 |
