1771-SPI
Median $320 · 4 sellers · $345 price spread
Asking prices for the exact catalog number 1771-SPI currently range from $135 to $480 across 4 sellers, observed 9 Aug 2026. Distributor product page: santaclarasystems.com. Prices are published seller asking prices; shipping, taxes and negotiated trade pricing are not included.
| Seller | Condition | Price | vs median | Listing |
|---|---|---|---|---|
| PLC Machinery | not stated | $134.99 | -58% | View listing |
| 4D Controls | USED / REFURB | $249.00 | -22% | View listing |
| afi-systems.com | not stated | $390.00 | +22% | View listing |
| PLC Department | not stated | $479.96 | +50% | View listing |
| Used / refurbished | 1 |
| Not stated | 3 |
How much does a 1771-SPI cost?
As of 9 Aug 2026, the Allen-Bradley 1771-SPI is listed from $135 to $480 across 4 sellers. The median asking price is $320. Prices are published seller asking prices and are refreshed monthly.
Who sells the 1771-SPI?
4 sellers currently list the 1771-SPI, including PLC Machinery, 4D Controls, afi-systems.com. 4 of them are specialist industrial distributors. The lowest current asking price is $135 from PLC Machinery.
Why do 1771-SPI prices vary so much?
The highest asking price for the 1771-SPI is 3.6× 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.