440N-Z21S17B
Market snapshot
Prices updated 20 Sep 2026 · next refresh 21 OctMedian $298 · 7 sellers · $113 below median at the lowest
Asking prices for the exact catalog number 440N-Z21S17B currently range from $185 to $490 across 7 sellers, observed 20 Sep 2026. Distributor product page: santaclarasystems.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
Current listings
7 SELLERS · SORTED BY PRICE| Seller | Price | vs median | Listing |
|---|---|---|---|
| NRI Industrial Sales | $184.80 | -38% | View offer |
| eBay - abplcstock | $198.00 | -34% | View offer |
| PLCHardware.com | $251.00 | -16% | View offer |
| eBay - plcpartswholesale | $298.00 | · | View offer |
| NorthEast Electrical | $341.03 | +14% | View offer |
| eBay - zt_industrial_electronics | $472.57 | +59% | View offer |
| ddpartssolution.com | $490.00 | +64% | View offer |
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Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 440N-Z21S16H | one character apart | 22 | $131 | -56% |
| 440N-Z21S17H | one character apart | 16 | $247 | -17% |
| 440N-Z21S16B | one character apart | 15 | $214 | -28% |
| 440N-Z21U17H | one character apart | 7 | $259 | -13% |
| 440N-Z21S16A | one character apart | 7 | $159 | -47% |
| 440N-Z21SS2B | one character apart | 5 | $159 | -47% |
| 440N-Z21S16J | one character apart | 5 | $139 | -53% |
| 440N-Z21S17A | one character apart | 4 | $262 | -12% |
Frequently asked
How much does a 440N-Z21S17B cost?
As of 20 Sep 2026, the Allen-Bradley 440N-Z21S17B is listed from $185 to $490 across 7 sellers. The median asking price is $298. Prices are published seller asking prices and are refreshed monthly.
Who sells the 440N-Z21S17B?
7 sellers currently list the 440N-Z21S17B, including NRI Industrial Sales, eBay - abplcstock, PLCHardware.com. 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.