Price of PartsINDUSTRIAL PRICE INDEX
Allen-Bradley

440N-Z21S17B

Verified market

Market snapshot

Prices updated 20 Sep 2026 · next refresh 21 Oct
$185
Low
$490
High
NRI Industrial Sales — $185eBay - abplcstock — $198PLCHardware.com — $251eBay - plcpartswholesale — $298NorthEast Electrical — $341eBay - zt_industrial_electronics — $473ddpartssolution.com — $490NRI Industrial SalesNRI Industrial…$185eBay - abplcstockeBay - abplcst…$198PLCHardware.comPLCHardware.com$251eBay - plcpartswholesaleeBay - plcpart…$298 · MEDIANNorthEast ElectricalNorthEast Elec…$341eBay - zt_industrial_electronicseBay - zt_indu…$473ddpartssolution.comddpartssolutio…$490

Median $298 · 7 sellers · $113 below median at the lowest

$ Compare your quote against 7 current asking prices.

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
SellerPricevs medianListing
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

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Catalog numberRelationshipSellersMedianvs this part

These are different products that read almost identically on a purchase order. Google groups them together; we do not. Confirm the exact suffix against the nameplate before ordering.

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.