509-BOB
Market snapshot
Prices updated 9 Oct 2026 · next refresh 9 NovMedian $278 · 3 sellers · $148 below median at the lowest
Asking prices for the exact catalog number 509-BOB currently range from $130 to $374 across 3 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
3 SELLERS · SORTED BY PRICE| Seller | Price | vs median | Listing |
|---|---|---|---|
| Contactsandcoils.com | $130.00 | -53% | View offer |
| Relectric.com | $278.30 | · | View offer |
| Radwell.com | $373.98 | +34% | View offer |
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Variants and similar numbers
VERIFY BEFORE ORDERING| Catalog number | Relationship | Sellers | Median | vs this part |
|---|---|---|---|---|
| 509-TOD | one character apart | 18 | $199 | -28% |
| 509-EOD | one character apart | 6 | $3,161 | +1036% |
| 5094-MB | one character apart | 6 | $131 | -53% |
| 509-DOD | one character apart | 4 | $1,113 | +300% |
| 509-DOB | one character apart | 3 | $1,414 | +408% |
| 509-BAD | one character apart | 2 | $485 | +74% |
| 509-COB | one character apart | 2 | $650 | +134% |
Frequently asked
How much does a 509-BOB cost?
As of 9 Oct 2026, the Allen-Bradley 509-BOB is listed from $130 to $374 across 3 sellers. The median asking price is $278. Prices are published seller asking prices and are refreshed monthly.
Who sells the 509-BOB?
3 sellers currently list the 509-BOB, including Contactsandcoils.com, Relectric.com, Radwell.com. 3 of them are specialist industrial distributors. The lowest current asking price is $130 from Contactsandcoils.com.
Why do 509-BOB prices vary so much?
The highest asking price for the 509-BOB is 2.9× 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.
