440N-Z21S17B
Market snapshot
Prices updated 9 Oct 2026 · next refresh 9 NovMedian $307 · 10 sellers · $122 below median at the lowest
Asking prices for the exact catalog number 440N-Z21S17B currently range from $185 to $490 across 10 sellers, observed 9 Oct 2026. Distributor product page: santaclarasystems.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
Current listings
10 SELLERS · SORTED BY PRICE| Seller | Condition | Price | vs median | Listing |
|---|---|---|---|---|
| NRI Industrial Sales | not stated | $184.80 | -40% | View offer |
| eBay - wellcontrol | NEW | $196.00 | -36% | View offer |
| eBay - plcindustrial | not stated | $249.00 | -19% | View offer |
| eBay | not stated | $275.00 | -10% | View offer |
| Kempston Controls US | not stated | $288.87 | -6% | View offer |
| Electric Supply and Equipment Co. | not stated | $324.14 | +6% | View offer |
| eBay - plcpartswholesale | not stated | $327.80 | +7% | View offer |
| eBay - industrial_blueline_special | not stated | $375.00 | +22% | View offer |
| eBay - industrial_solutions_hw | not stated | $472.09 | +54% | View offer |
| ddpartssolution.com | not stated | $490.00 | +60% | View offer |
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Condition
AS STATED BY SELLERS| New | 1 |
| Not stated | 9 |
Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 440N-Z21S16H | one character apart | 18 | $149 | -51% |
| 440N-Z21S17H | one character apart | 14 | $222 | -28% |
| 440N-Z21SS2B | one character apart | 8 | $203 | -34% |
| 440N-Z21S17J | one character apart | 5 | $245 | -20% |
| 440N-Z21S16J | one character apart | 5 | $115 | -62% |
| 440N-Z21S17A | one character apart | 5 | $252 | -18% |
| 440N-Z21S16A | one character apart | 4 | $223 | -27% |
| 440N-Z21W1PB | one character apart | 4 | $224 | -27% |
Frequently asked
How much does a 440N-Z21S17B cost?
As of 9 Oct 2026, the Allen-Bradley 440N-Z21S17B is listed from $185 to $490 across 10 sellers. The median asking price is $307. Prices are published seller asking prices and are refreshed monthly.
Who sells the 440N-Z21S17B?
10 sellers currently list the 440N-Z21S17B, including NRI Industrial Sales, eBay - wellcontrol, eBay - plcindustrial. 4 of them are specialist industrial distributors. The lowest current asking price is $185 from NRI Industrial Sales.
Why do 440N-Z21S17B prices vary so much?
The highest asking price for the 440N-Z21S17B is 2.7× 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.
