3RV2021-4AA20
Market snapshot
Prices updated 9 Oct 2026 · next refresh 9 NovMedian $138 · 4 sellers · $85.85 below median at the lowest
Asking prices for the exact catalog number 3RV2021-4AA20 currently range from $51.76 to $178 across 4 sellers, observed 9 Oct 2026. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
Current listings
4 SELLERS · SORTED BY PRICE| Seller | Price | vs median | Listing |
|---|---|---|---|
| WiAutomation US | $51.76 | -62% | View offer |
| eBay - fighter_automation_equipment | $134.85 | -2% | View offer |
| PLC Direct | $140.36 | +2% | View offer |
| Radwell.com | $178.48 | +30% | View offer |
Get quotes for this part
We forward your request to sellers who currently list the 3RV2021-4AA20 at or below the market median. They quote you directly — we never see your pricing and take no commission.
Price watch
FREE · MONTHLYGet an email when the market for the 3RV2021-4AA20 moves: sellers appearing or disappearing, or the median shifting. One email per monthly refresh, and only when something changed. Unsubscribe any time.
Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 3RV2021-4DA10 | one character apart | 16 | $114 | -17% |
| 3RV2021-4BA10 | one character apart | 10 | $147 | +7% |
| 3RV2021-1JA20 | one character apart | 5 | $155 | +12% |
| 3RV2021-4AA15 | one character apart | 5 | $128 | -7% |
| 3RV2021-4FA10 | one character apart | 5 | $297 | +116% |
| 3RV2021-4CA10 | one character apart | 5 | $137 | -1% |
| 3RV2021-4NA10 | one character apart | 4 | $114 | -17% |
| 3RV2021-4EA20 | one character apart | 3 | $115 | -16% |
Frequently asked
How much does a 3RV2021-4AA20 cost?
As of 9 Oct 2026, the Siemens 3RV2021-4AA20 is listed from $51.76 to $178 across 4 sellers. The median asking price is $138. Prices are published seller asking prices and are refreshed monthly.
Who sells the 3RV2021-4AA20?
4 sellers currently list the 3RV2021-4AA20, including WiAutomation US, eBay - fighter_automation_equipment, PLC Direct. 3 of them are specialist industrial distributors. The lowest current asking price is $51.76 from WiAutomation US.
Why do 3RV2021-4AA20 prices vary so much?
The highest asking price for the 3RV2021-4AA20 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.
